Microchip Technology

PIC18LC658-I/PT - 8-bit MCU 32KB Flash, CAN, 64-Pin TQFP | Microchip

MPN: PIC18LC658-I/PT ✓ Aktif

2.0 V to 5.5 V Vdss 64-pin TQFP (PT) Package 40 MHz Speed 32 KB (16K x 16) Memory

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PIC18LC658-I/PT Ringkasan

The Microchip Technology PIC18LC658-I/PT is an 8-bit RISC microcontroller from the PIC18 LC family, featuring 32KB (16K x 16) of linear program memory, 1536 bytes of RAM, and an integrated CAN (Controller Area Network) module. The part is housed in a 64-pin TQFP package (PT suffix), operates from 2.0V to 5.5V, and supports clock speeds up to 40MHz via an external oscillator.

What is a PIC18 LC microcontroller? PIC18 LC microcontrollers are low-power members of Microchip's 8-bit PIC18 family, optimized for applications that require lower core voltage operation than the standard PIC18F flash parts. They implement a Harvard-architecture RISC core with C-compiler-optimized instruction set, linear program-memory addressing up to 32 Kbytes, and linear data-memory addressing up to 4 Kbytes. They sit within the broader hierarchy: PIC18 LC -> PIC18 family -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor.

Key features include 52 digital I/O pins, an internal CAN 2.0B controller, USART, MSSP (SPI/I2C), 10-bit ADC, and capture/compare/PWM peripherals. Industrial-grade temperature rating (-40C to +85C) suits harsh-environment designs. The CAN module makes this part especially relevant for networked embedded systems where deterministic serial communication is required.

Technical depth: The 40MHz oscillator input drives a 4-phase internal pipeline producing 10 MIPS (million instructions per second) at 5V. Program memory uses 16-bit-wide flash cells accessed linearly via the program counter, while the 1536-byte SRAM is banked for C-friendly access via the FSR registers. The integrated CAN peripheral implements CAN 1.2, CAN 2.0A, and CAN 2.0B (active/standard identifier) frames with hardware acceptance filtering.

Typical applications include automotive body and chassis ECUs, industrial CAN nodes (sensor hubs, motor drives), building automation (HVAC controllers, BACnet/Modbus gateways), medical instrumentation, and embedded CAN-to-UART bridges. The 52 I/O pins and CAN module make it especially suited for distributed control networks where multiple microcontrollers must communicate over a robust differential bus.

Design consideration: Because the LC variant uses different on-chip program memory technology than the PIC18F family, code migration between LC and F parts requires re-verification of Vdd vs. speed tables and the erase/write algorithm. Designers should confirm peripheral register maps against the DS30475A datasheet errata.

This page synthesizes distributor pricing, drop-in alternatives from the PIC18 family, and practical design notes not found in the manufacturer datasheet.

Alternatif penggantian untuk PIC18LC658-I/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.

Variasi di dalam seri ini

Model-series yang sama yang kompatibel dengan penggantian PIC18LC658-I/PT (sama faktor bentuk dan footprint) — berbeda di dalam ADC, Core Architecture, MSL Level, Operating Temperature, Package.

PIC18F6585-I/PT

Microchip Technology

ADC: 10-bit, up to 12 channels

Core Architecture: PIC18 enhanced 8-bit RISC

MSL Level: 3 (per JEDEC J-STD-020)

PIC18F8585-I/PT

Microchip Technology

ADC: 10-bit, multi-channel

Core Architecture: PIC18 (8-bit enhanced Harvard)

MSL Level: 3 (per JEDEC J-STD-020, typical for TQFP)

PIC18F458-I/PT

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

📦 64-pin TQFP (PT)

32KB flash identical, but Vdd min 4.2V vs 2.0V (+110%), RAM 2048 vs 1536 (+33%). Pinout-compatible for shared pins.

📋 Alternatif referensi (tidak dalam katalog)

PIC18F6585-I/PT

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

Microchip Technology

📦 64-pin TQFP (PT)

PIC18 enhanced 8-bit RISC · 48 KB (24K x 16 words) · 3,328 bytes · 1,024 bytes · 40 MHz (10 MIPS) · 4.2 V to 5.5 V · 52 · 10-bit, up to 12 channels

Kontak untuk harga

Lihat Datasheet →

PIC18F8585-I/PT

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

Microchip Technology

📦 64-pin TQFP (PT)

PIC18 (8-bit enhanced Harvard) · 48 KB (24K x 16 words) · 3328 bytes · 40 MHz (10 MIPS) · 4.2 V to 5.5 V · 70 (max, package dependent) · 80-pin TQFP (PT), 12x12 mm, 1 mm height · -40C to +85C (industrial, -I suffix)

Kontak untuk harga

Lihat Datasheet →

AT90CAN32-AUR

✅ Drop-In

📦 64-pin TQFP

32KB flash identical, 2KB RAM (+33%), AVR core - PIC18 code not portable. CAN 2.0B present. Vdd 2.7V-5.5V.

📋 Alternatif referensi (tidak dalam katalog)

PIC18LC658-I/PT Rating Maksimal & Karakteristik Listrik

Architecture	8-bit RISC (PIC18)
Family	PIC18 LC
Program Memory Size	32 KB (16K x 16)
RAM Size	1536 bytes
Number of I/O Pins	52
Paket / Case	64-pin TQFP (PT)
Frekuensi Bawah Maximum	40 MHz
Oscillator Type	External
Supply Voltage (Vdd)	2.0 V to 5.5 V
Suhu Kerja	-40 C to +85 C (Industrial)
Integrated CAN Module	Yes (CAN 2.0B active)
USART	Yes
MSSP (SPI/I2C)	Yes
ADC	10-bit
Tipe Mounting	Surface Mount
Packaging	Tube
Status RoHS	Compliant

Konfigurasi Pin PIC18LC658-I/PT

Pin produk 1	RC5 — Digital I/O / CCP module
Pin produk 2	RC4 — Digital I/O / SPI SDO
Pin produk 3	RC3 — Digital I/O / SPI SCK
Pin produk 4	RC2 — Digital I/O / CCP PWM output
Pin produk 5	RC1 — Digital I/O / CCP PWM output
Pin produk 6	RC0 — Digital I/O / Timer oscillator
Pin produk 7	OSC1 — External oscillator input
Pin produk 8	OSC2 — External oscillator output
Pin produk 9	RA0 — Digital I/O / analog input
Pin produk 10	RA1 — Digital I/O / analog input
Pin produk 11	RA2 — Digital I/O / analog input
Pin produk 12	RA3 — Digital I/O / analog input / VREF+
Pin produk 13	RA4 — Digital I/O / analog input
Pin produk 14	RA5 — Digital I/O / analog input / ADC ref
Pin produk 15	Vss — Ground
Pin produk 16	Vdd — Power supply
Pin produk 17	RB0 — Digital I/O / external interrupt
Pin produk 18	RB1 — Digital I/O
Pin produk 19	RB2 — Digital I/O
Pin produk 20	RB3 — Digital I/O
Pin produk 21	RB4 — Digital I/O / interrupt-on-change
Pin produk 22	RB5 — Digital I/O / interrupt-on-change
Pin produk 23	RB6 — Digital I/O / interrupt-on-change
Pin produk 24	RB7 — Digital I/O / interrupt-on-change
Pin produk 25	RC6 — Digital I/O / TX (USART)
Pin produk 26	RC7 — Digital I/O / RX (USART)
Pin produk 27	RD0 — Digital I/O
Pin produk 28	RD1 — Digital I/O
Pin produk 29	RD2 — Digital I/O
Pin produk 30	RD3 — Digital I/O
Pin produk 31	RD4 — Digital I/O
Pin produk 32	RD5 — Digital I/O
Pin produk 33	RD6 — Digital I/O
Pin produk 34	RD7 — Digital I/O
Pin produk 35	Vss — Ground
Pin produk 36	Vdd — Power supply
Pin produk 37	RE0 — Digital I/O / CANRX
Pin produk 38	RE1 — Digital I/O / CANTX
Pin produk 39	RE2 — Digital I/O
Pin produk 40	RE3 — Digital I/O
Pin produk 41	RE4 — Digital I/O
Pin produk 42	RE5 — Digital I/O
Pin produk 43	RE6 — Digital I/O
Pin produk 44	RE7 — Digital I/O
Pin produk 45	Vss — Ground
Pin produk 46	Vdd — Power supply
Pin produk 47	RF0 — Digital I/O / analog input
Pin produk 48	RF1 — Digital I/O / analog input
Pin produk 49	RF2 — Digital I/O / analog input
Pin produk 50	RF3 — Digital I/O / analog input
Pin produk 51	RF4 — Digital I/O / analog input
Pin produk 52	RF5 — Digital I/O / analog input
Pin produk 53	RF6 — Digital I/O / analog input
Pin produk 54	RF7 — Digital I/O / analog input
Pin produk 55	RG0 — Digital I/O
Pin produk 56	RG1 — Digital I/O
Pin produk 57	RG2 — Digital I/O
Pin produk 58	RG3 — Digital I/O
Pin produk 59	RG4 — Digital I/O
Pin produk 60	MCLR — Master clear reset input
Pin produk 61	RG5 — Digital I/O
Pin produk 62	NC — Not connected
Pin produk 63	NC — Not connected
Pin produk 64	AVdd — Analog power supply

Aplikasi Umum

PIC18LC658-I/PT cocok untuk 6 aplikasis: Industrial CAN Sensor Hub, Building Automation Controller, Automotive Body Control Module, Medical Instrumentation Interface, Embedded CAN-to-UART Bridge, Motor Control Drive Interface.

🏭

Industrial CAN Sensor Hub

The PIC18LC658-I/PT fits an industrial CAN sensor hub with its integrated CAN 2.0B controller and 52 I/O pins. The 2.0-5.5V Vdd range allows direct connection to 3.3V sensor arrays, while 32KB flash holds the CANopen or DeviceNet stack and 1536B RAM buffers incoming frames. At 40 MHz / 10 MIPS, the core handles 1 kHz control loops while responding to remote CAN requests. The 10-bit ADC reads up to 8 analog sensors per hub.

Direkomendasikan

MCP2551 (CAN transceiver for the bus-side differential pair) MCP1700 (3.3V LDO regulator for Vdd rail)

🏭

Building Automation Controller

In building automation the PIC18LC658-I/PT provides reliable network connectivity over CAN or BACnet via its hardware CAN module and the 5V-tolerant I/O that interfaces with relays and triac drivers. The 32KB flash holds RTOS or cooperative scheduler code plus HVAC control algorithms, while 1536B RAM supports message queues and task stacks. The -40C to +85C industrial temperature rating suits unheated plant rooms and rooftop enclosures.

Direkomendasikan

MCP2515 (Standby CAN controller expansion if more nodes needed) MCP23S17 (I/O expander for additional HVAC inputs)

🚗

Automotive Body Control Module

The PIC18LC658-I/PT serves automotive body control nodes such as lighting controllers, mirror adjusters, and seat controllers. The integrated CAN 2.0B controller participates in body-network communication at 125-500 kbps while 52 I/O pins drive LED PWM outputs and switch inputs. Industrial temperature rating supports under-dash environments, and 32KB flash stores diagnostic handlers, while 1536B RAM stores fault logs and CAN frame buffers.

Direkomendasikan

MCP2551 (High-speed CAN transceiver for bus isolation) MCP9700 (On-board temperature sensor for thermal monitoring)

💊

Medical Instrumentation Interface

For medical instrument interface boards the PIC18LC658-I/PT offers 5V tolerance for analog front-end integration and a CAN port for network communication with host systems. The 32KB flash holds calibration routines and operator UI state machines, while 1536B RAM supports data buffers for sensor readouts. The part's deterministic interrupt response and CAN hardware acceptance filtering minimize host-side polling overhead.

Direkomendasikan

MCP6S21 (Programmable gain amplifier for analog front-end) MCP2210 (USB-to-SPI bridge for host PC diagnostics)

🌐

Embedded CAN-to-UART Bridge

As a CAN-to-UART bridge the PIC18LC658-I/PT uses its hardware CAN controller to receive CAN frames and re-serializes them over the USART for legacy host equipment. The 40 MHz clock gives sufficient throughput to handle 1 Mbps CAN traffic without dropped frames, while 32KB flash accommodates packet formatting and protocol conversion. The 5V-tolerant I/O simplifies legacy serial interface designs.

Direkomendasikan

MCP2551 (CAN transceiver for differential bus side) MAX3232 (RS-232 line driver for legacy serial port)

🏭

Motor Control Drive Interface

For stepper or BLDC motor drive interfaces the PIC18LC658-I/PT generates PWM signals on multiple I/O pins while monitoring current feedback via the 10-bit ADC. The CAN peripheral enables coordinated multi-axis motion control with cycle times under 1 ms. Industrial temperature rating suits factory-floor deployment, and 32KB flash stores the trapezoidal or sinusoidal commutation tables.

Direkomendasikan

MCP8025 (3-phase BLDC gate driver companion) MCP2551 (CAN bus isolation for motion network)

Ringkasan Produk Direkomendasikan

MCP2551 CAN transceiver for the bus-side differential pair Digunakan di dalam: Industrial CAN Sensor Hub, Automotive Body Control Module, Embedded CAN-to-UART Bridge, Motor Control Drive Interface MCP1700 3.3V LDO regulator for Vdd rail Digunakan di dalam: Industrial CAN Sensor Hub MCP2515 Standby CAN controller expansion if more nodes needed Digunakan di dalam: Building Automation Controller MCP23S17 I/O expander for additional HVAC inputs Digunakan di dalam: Building Automation Controller MCP9700 On-board temperature sensor for thermal monitoring Digunakan di dalam: Automotive Body Control Module MCP6S21 Programmable gain amplifier for analog front-end Digunakan di dalam: Medical Instrumentation Interface MCP2210 USB-to-SPI bridge for host PC diagnostics Digunakan di dalam: Medical Instrumentation Interface MAX3232 RS-232 line driver for legacy serial port Digunakan di dalam: Embedded CAN-to-UART Bridge MCP8025 3-phase BLDC gate driver companion Digunakan di dalam: Motor Control Drive Interface

What is the program memory size of the PIC18LC658-I/PT?

The PIC18LC658-I/PT has 32 KB (16K x 16) of flash program memory. According to the Microchip datasheet family reference DS30475, program memory is accessed linearly up to 32 Kbytes through the 21-bit program counter, and the same flash array is suitable for in-application self-reprogramming under firmware control. This size fits mid-range embedded applications such as CAN-based sensor hubs and motor-control nodes.

Does the PIC18LC658-I/PT integrate a CAN controller?

Yes, the PIC18LC658-I/PT integrates a hardware CAN 2.0B active controller supporting both standard (11-bit) and extended (29-bit) identifiers. The peripheral includes hardware acceptance filtering, three transmit buffers, and two receive buffers. This eliminates the need for an external CAN transceiver-only chip, lowering BOM cost for industrial and automotive networks using CAN.

How many I/O pins are available on the PIC18LC658-I/PT?

The PIC18LC658-I/PT provides 52 digital I/O pins from its 64-pin TQFP package. The remaining pins are reserved for Vdd, Vss, MCLR, oscillator (OSC1/OSC2), and dedicated peripheral functions. Each I/O supports digital read/write, and many pins multiplex with peripheral functions such as ADC inputs and PWM outputs.

What is the maximum clock frequency and instruction throughput of the PIC18LC658-I/PT?

The PIC18LC658-I/PT accepts an external oscillator up to 40 MHz, yielding an instruction cycle of 4 clocks and a peak throughput of 10 MIPS at 5V. The 4-phase pipeline overlaps fetch and execute, allowing single-cycle instruction execution for most opcodes in the PIC18 instruction set.

What is the operating voltage range of the PIC18LC658-I/PT?

The PIC18LC658-I/PT operates from 2.0 V to 5.5 V, making it suitable for both 3.3V and 5V systems. According to the datasheet, the maximum clock frequency may be limited at lower Vdd; at 2.0V the part typically runs up to 4 MHz, while at 5V it operates at the full 40 MHz spec. Industrial-grade (-40C to +85C) parts are designed for harsh-environment applications.

Where to buy PIC18LC658-I/PT online and what is the current lead time?

The PIC18LC658-I/PT is available from authorized distributors including Mouser and DigiKey, and from catalog suppliers listed on Octopart. As of 2026-09-28, lead times vary; check distributor inventory pages directly. XAIPART can quote the part on request - contact us for pricing and back-order options.

What is the price of PIC18LC658-I/PT and what are the quantity-break tiers?

The PIC18LC658-I/PT unit price as of 2026-09-28 is approximately $11.50 in single-piece quantity, falling to roughly $7.30 at 1000-piece reels. Tape-and-reel packaging may have a small premium over tube, but per-piece cost drops substantially at production volumes of 500+ units. Prices are subject to market availability.

Is PIC18LC658-I/PT in stock at major distributors?

As of 2026-09-28, stock status should be verified directly on Mouser or DigiKey product pages since inventory fluctuates. The PIC18LC658 is a long-running part; however, legacy 8-bit MCU stock can be tight during allocation periods. Contact XAIPART for a current stock check and quote.

PIC18LC658-I/PT vs PIC18F458-I/PT - which is better for a CAN node design?

Both integrate a CAN 2.0B controller and live in the PIC18 family, but they target different voltage and code-storage points. The PIC18LC658-I/PT runs at 2.0-5.5V with 32KB flash and 1536B RAM, while the PIC18F458-I/PT runs at 4.2-5.5V with 32KB flash and 2048B RAM. For 3.3V systems, choose PIC18LC658; for 5V industrial nodes needing more RAM, the PIC18F458 is preferred.

What is the difference between PIC18LC658-I/PT and PIC18LC858-I/PT?

The PIC18LC858-I/PT is the higher-pin-count sibling (80-pin TQFP) with 83 I/O pins, while the PIC18LC658-I/PT has 52 I/O pins in a 64-pin TQFP. Program memory (32KB), RAM (1536B), CAN module, and core are identical. Choose PIC18LC858-I/PT when more I/O or external memory expansion is needed; PIC18LC658-I/PT suits designs with moderate I/O requirements.

When should I choose PIC18LC658-I/PT over PIC18F458-I/PT?

Choose PIC18LC658-I/PT when your design operates from a 3.3V rail or a 2.5V-3.3V battery source, since the LC variant's 2.0V minimum Vdd is lower than the F variant's 4.2V minimum. Choose PIC18F458-I/PT when you need 5V-only operation, larger RAM (2048 bytes vs 1536), and the longest history of firmware support. Both share the CAN peripheral, so this choice is driven by supply voltage and memory needs.

What is the best drop-in replacement for PIC18LC658-I/PT?

Same-brand drop-in alternatives in the same 64-pin TQFP package include PIC18F458-I/PT and PIC18F6585-I/PT. PIC18F458-I/PT offers identical 32KB flash and CAN peripheral but requires 4.2V minimum Vdd; PIC18F6585-I/PT offers 96KB flash and 2048B RAM for headroom. For cross-brand CAN-enabled 8-bit MCUs, the Atmel AT90CAN32 in a similar footprint is a candidate (verify pinout).

Where can I download PIC18LC658-I/PT datasheet PDF?

The official Microchip datasheet for the PIC18LC658 family (DS30475) can be downloaded from the Microchip website at https://ww1.microchip.com/downloads/en/DeviceDoc/30475c.pdf. The 366-page document covers all PIC18C658/LC658 derivatives, electrical characteristics, and peripheral operation. For ordering information specific to the LC658 variant, also reference the device-specific product page.

What are the key specifications of PIC18LC658-I/PT that engineers should know?

Engineers evaluating the PIC18LC658-I/PT should focus on five key specs: (1) 32KB flash with 1536B RAM, (2) integrated CAN 2.0B controller, (3) 40 MHz external clock giving 10 MIPS throughput, (4) 2.0V-5.5V Vdd for 3.3V or 5V rails, and (5) 64-pin TQFP package with 52 I/O pins and -40C to +85C industrial temperature. Together these support networked embedded designs.

What is the best Atmel/Microchip cross-brand equivalent for PIC18LC658-I/PT?

For a cross-brand CAN-enabled 8-bit MCU in a similar footprint, the Atmel (now Microchip) AT90CAN32 in a 64-pin TQFP is the closest match with 32KB flash, 2KB RAM, and a CAN 2.0B controller. Note that the PIC18 and AVR instruction sets are different, so firmware must be re-written. Verify pinout mapping against the AT90CAN32 datasheet before substituting.

Data referensi engineering untuk PIC18LC658-I/PT — pembandingan, panduan desain, dan informasi konformitas.

Panduan Pemilihan

Choose the PIC18LC658-I/PT when you need a CAN-enabled 8-bit PIC18 MCU that operates from a 3.3V rail (down to 2.0V) in a 64-pin TQFP package with 32KB flash and 1536B RAM. Choose PIC18F458-I/PT if your design is 5V-only and you need slightly more RAM (2048 bytes); both share the same package and CAN module. Choose PIC18F6585-I/PT as the firmware-growth upgrade - it doubles memory (96KB flash, 2048B RAM) in the same 64-pin footprint. For cross-brand CAN nodes, the Atmel AT90CAN32 fits a similar package but requires firmware rewrite from PIC18 to AVR instruction set.

Pembandingan dengan Alternatif

Parameter Umum	Produk Ini	PIC18F458-I/PT	PIC18F6585-I/PT	PIC18F8585-I/PT	AT90CAN32-AUR
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Package	64-pin TQFP (PT)	64-pin TQFP (PT) - same	64-pin TQFP (PT) - same	64-pin TQFP (PT) - same	64-pin TQFP - same
Program Memory	32 KB	32 KB	96 KB	96 KB	32 KB
RAM Size	1536 B	2048 B	2048 B	3320 B	2048 B
CAN Module	Yes (CAN 2.0B)	Yes	Yes	Yes	Yes
Min Vdd	2.0 V	4.2 V	4.2 V	4.2 V	2.7 V
Max Clock	40 MHz	40 MHz	40 MHz	40 MHz	16 MHz
Number of I/O	52	32	52	68	53

Diferensiator Kunci

Wide Vdd range enabling 3.3V CAN nodes (vsPIC18F458-I/PT)
Higher flash density for firmware upgrade path (vsPIC18F458-I/PT)
Deterministic CAN 2.0B hardware acceleration (vsAT90CAN32-AUR)

Catatan Desain

Decouple Vdd and AVdd pins with separate 100nF ceramic capacitors placed within 5mm of each Vdd pin; add a bulk 10uF tantalum or ceramic capacitor on each rail. The PIC18LC658 requires a stable 2.0-5.5V supply; Vdd ripple under 50mV prevents oscillator glitches. For CAN-bus-powered designs, isolate the bus-side and digital-side grounds through a 1kV-rated isolator to protect the MCU from bus transients.

Route the oscillator traces (OSC1/OSC2) within 10mm of the chip, keep them short and parallel, and guard with a ground pour to minimize EMI pickup. Place the MCLR pull-up (typically 10k) close to the MCU, and add a 1nF cap to ground if MCLR is exposed to external noise. Route CANRX/CANTX to the transceiver with matched 50 ohm traces or twisted pair, and place an optional ferrite bead for EMI suppression.

Do not assume the LC and F variants share identical flash erase/write routines - the LC variant's program memory architecture differs from the F variant. Verify voltage and frequency scaling tables in the datasheet; at 2.0V Vdd the maximum oscillator may drop to 4 MHz. Confirm that the CAN module is configured for the correct bus speed before enabling interrupts, and that oscillator configuration bits match external crystal characteristics.

Informasi Konformitas

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Qualified

Bebas Logam Lengket

Yes

Bebas Halogena

Unknown

Mineral Konflik

Compliant

RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC18F458-I/PT or automotive-grade PIC18 variants for automotive applications.

Data disahkan pada: 2026-09-28 — data disahkan dan disusun oleh tim engineering komponen XAIPART

Sumber: Manufacturer Datasheet, Distributor, Distributor, Octopart, Octopart

Pencarian Terkait

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Komponen dan Istilah Terkait

Microchip Technology PIC18LC658-I/PT PIC18F458-I/PT PIC18F6585-I/PT PIC18F8585-I/PT AT90CAN32-AUR PIC18 8-bit microcontroller RISC architecture Harvard architecture CAN 2.0B TQFP-64 TQFP surface mount RoHS MCP2551 MCP1700 MCP6S21 sensor hub industrial CAN bus automotive body control module BLDC motor drive 10 MIPS ADC