PIC16C64A-10I/L - 10MHz 8-Bit OTP MCU 3.5KB | PLCC-44 | Microchip
MPN: PIC16C64A-10I/L ✗ Cuối đờiPIC16C64A-10I/L Tóm tắt
An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes application firmware stored in on-chip non-volatile memory and interfaces with peripherals through digital and analog I/O. The PIC16C family uses a Harvard-architecture RISC core in which program and data memories are separate, the program store is word-addressed (14-bit instructions here), and most instructions complete in a single clock cycle. Within the broader taxonomy, this device is a microcontroller -> embedded processor -> programmable logic device -> semiconductor IC. It sits one tier below 16-bit PIC24 and dsPIC parts and is suitable where deterministic cycle counting, low BOM cost, and OTP/EPROM-based code storage are acceptable.
Key differentiating features of the PIC16C64A-10I/L include 35 single-word instructions, a fully static design (clock can be halted), interrupt capability with a context-saving hardware stack, and on-chip peripherals such as a 16-bit timer/counter with a prescaler, an 8-bit timer/counter, a synchronous serial port (SSP) supporting SPI and I2C master/slave modes, a parallel slave port (PSP) for external bus expansion, an 8-bit ADC variant option, and a watchdog timer with its own on-chip RC oscillator for reliable brown-out recovery.
From an architectural perspective, the device separates program and data buses (Harvard), uses a 14-bit instruction word to keep code density high, and provides direct, indirect, and relative addressing modes. Power consumption is typically < 2 mA at 5 V / 4 MHz and < 1 uA in standby with the watchdog disabled, which enables battery-backed designs. The 10 MHz -10 speed grade pairs with industrial-temperature silicon, while faster -20 variants are available for commercial applications.
Typical applications include industrial control panels, motor-driver front-end controllers, instrumentation and metering, embedded sensor hubs, automotive body/comfort modules, low-cost consumer appliances, and legacy PIC16C5X/PIC16C6X upgrade platforms where pin-compatible drop-in replacements are needed. Engineers frequently migrate to PIC16F or PIC18 Flash parts for new designs but keep the OTP PIC16C64A for cost-sensitive, code-frozen production.
Design consideration: the 'I' suffix denotes the industrial temperature grade (-40C to +85C); choose the 'E' (extended -40C to +125C) variant for under-hood automotive use. OTP memory can be programmed only once; allow a windowed ceramic package (-JW) version for prototype code iteration, then move to plastic OTP for volume production.
This page synthesizes distributor pricing, application-aligned design notes, drop-in alternative MPNs from the same PIC16C family, and practical thermal/programming guidance not consolidated in any single Microchip document.
Bộ thay thế dễ dàng lắp đặt cho PIC16C64A-10I/L — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16C64A-10I/L (cùng hình factor và footprint) — khác nhau ở Mounting Type, Maximum Clock Frequency, Package, Program Memory Size, RAM Size.
PIC16C64A-04I/L
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Xem tài liệu →PIC16C64A-10I/L Tỷ lệ tối đa & tính chất điện
| Core | PIC 8-bit RISC (Harvard) |
| Instruction Set | 35 single-word instructions |
| Program Memory | 3.5 KB OTP (2K x 14 words) |
| Data RAM | 128 bytes |
| Data EEPROM | 0 bytes (not present) |
| Tần số xung maksimum | 10 MHz |
| CPU Speed | 10 MIPS (DC to 10 MHz) |
| Điện áp cung cấp | 4.0 V to 5.5 V |
| I/O Pins | 33 |
| Timers | One 16-bit + one 8-bit timer/counter |
| Serial Interfaces | SSP (SPI / I2C master+slave) |
| Parallel Slave Port | Yes (8-bit PSP) |
| Watchdog Timer | Yes (with on-chip RC oscillator) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | 44-pin PLCC (16.59 x 16.59 mm) |
| Kiểu lắp đặt | Surface Mount (J-lead PLCC) |
Cấu hình chân PIC16C64A-10I/L
| Chân 1 | MCLR/VPP — Master clear reset (active low) / programming voltage input |
| Chân 2 | RA0/AN0 — Port A bit 0 / analog input 0 (or digital I/O) |
| Chân 3 | RA1/AN1 — Port A bit 1 / analog input 1 (or digital I/O) |
| Chân 4 | RA2/AN2 — Port A bit 2 / analog input 2 (or digital I/O) |
| Chân 5 | RA3/AN3/VREF — Port A bit 3 / analog input 3 / ADC reference voltage |
| Chân 6 | RA4/T0CKI — Port A bit 4 / Timer 0 clock input (open-drain) |
| Chân 7 | RA5/AN4/SS — Port A bit 5 / analog input 4 / SSP slave select |
| Chân 8 | RE0/RD/AN5 — Port E bit 0 / parallel slave port read control / analog input 5 |
| Chân 9 | RE1/WR/AN6 — Port E bit 1 / parallel slave port write control / analog input 6 |
| Chân 10 | RE2/CS/AN7 — Port E bit 2 / parallel slave port chip select / analog input 7 |
| Chân 11 | VDD — Positive supply voltage (4.0 V to 5.5 V) |
| Chân 12 | VSS — Ground reference |
| Chân 13 | OSC1/CLKIN — Oscillator crystal input / external clock input |
| Chân 14 | OSC2/CLKOUT — Oscillator crystal output / clock output (FOsc/4) |
| Chân 15 | RC0/T1OSO/T1CKI — Port C bit 0 / Timer 1 oscillator output / Timer 1 clock input |
| Chân 16 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer 1 oscillator input / CCP2 output |
| Chân 17 | RC2/CCP1 — Port C bit 2 / CCP1 PWM output |
| Chân 18 | RC3/SCK/SCL — Port C bit 3 / SSP SPI clock / I2C clock |
| Chân 19 | RD0/PSP0 — Port D bit 0 / parallel slave port data bit 0 |
| Chân 20 | RD1/PSP1 — Port D bit 1 / parallel slave port data bit 1 |
| Chân 21 | RD2/PSP2 — Port D bit 2 / parallel slave port data bit 2 |
| Chân 22 | RD3/PSP3 — Port D bit 3 / parallel slave port data bit 3 |
| Chân 23 | RC4/SDI/SDA — Port C bit 4 / SSP SPI data in / I2C data |
| Chân 24 | RC5/SDO — Port C bit 5 / SSP SPI data out |
| Chân 25 | RC6/TX/CK — Port C bit 6 / USART asynchronous transmit / USART synchronous clock |
| Chân 26 | RC7/RX/DT — Port C bit 7 / USART asynchronous receive / USART synchronous data |
| Chân 27 | RD4/PSP4 — Port D bit 4 / parallel slave port data bit 4 |
| Chân 28 | RD5/PSP5 — Port D bit 5 / parallel slave port data bit 5 |
| Chân 29 | RD6/PSP6 — Port D bit 6 / parallel slave port data bit 6 |
| Chân 30 | RD7/PSP7 — Port D bit 7 / parallel slave port data bit 7 |
| Chân 31 | VSS — Ground reference |
| Chân 32 | VDD — Positive supply voltage (4.0 V to 5.5 V) |
| Chân 33 | RB0/INT — Port B bit 0 / external interrupt input |
| Chân 34 | RB1 — Port B bit 1 (digital I/O) |
| Chân 35 | RB2 — Port B bit 2 (digital I/O) |
| Chân 36 | RB3/PGM — Port B bit 3 / low-voltage programming input |
| Chân 37 | RB4 — Port B bit 4 (digital I/O) |
| Chân 38 | RB5 — Port B bit 5 (digital I/O) |
| Chân 39 | RB6/PGC — Port B bit 6 / ICD clock (in-circuit debugger) |
| Chân 40 | RB7/PGD — Port B bit 7 / ICD data (in-circuit debugger) |
| Chân 41 | NC — Not connected (per datasheet, reserved) |
| Chân 42 | NC — Not connected (per datasheet, reserved) |
| Chân 43 | NC — Not connected (per datasheet, reserved) |
| Chân 44 | NC — Not connected (per datasheet, reserved) |
Ứng dụng tiêu biểu
PIC16C64A-10I/L phù hợp cho 7 Áp dụngs: Industrial Control Panels, Motor Driver Front-End Controller, Instrumentation and Metering, Embedded Sensor Hub, Low-Cost Consumer Appliance Control, Legacy PIC16C5X/C6X Upgrade Platform, Automotive Body / Comfort Modules (Cabin Only).
Industrial Control Panels
The PIC16C64A-10I/L fits industrial control panels where deterministic 10 MIPS throughput, 33 GPIO, and a small 44-pin PLCC footprint simplify panel layout. The device's 4.0-5.5 V supply aligns with 5 V backplanes common in PLCs, HMIs, and relay-driver boards, while its 16-bit + 8-bit timer pair handles PWM for valve/actuator control and input capture for encoder feedback. The hardware PSP allows expanding to an external 8-bit bus for keypad or LCD matrix scanning without external logic. Industrial -40C to +85C rating covers factory floor ambient.
Được đề xuất
Motor Driver Front-End Controller
Motor-driver front-end controllers benefit from the PIC16C64A-10I/L's 16-bit timer with prescaler for precise PWM generation, plus the SSP block for SPI communication with smart gate drivers. The 33 GPIO can directly drive enable/fault lines for three-phase half-bridges, while the watchdog timer with on-chip RC oscillator keeps the system safe during brown-out events. OTP program memory locks the firmware, preventing field-tampering of motor calibration tables - a common requirement in BLDC ceiling fans, small pumps, and appliance motors.
Được đề xuất
Instrumentation and Metering
The PIC16C64A-10I/L suits instrumentation and metering designs that need stable 5 V operation, low standby current (< 1 uA with watchdog off), and a parallel slave port for offloading ADC data to a host processor. The 8-bit timer can be re-purposed as a 1 ms system tick for RTC-style timekeeping, while the SSP drives an SPI-based load-cell or temperature-sensor front end. Industrial temperature rating meets indoor metering requirements; OTP memory locks calibration coefficients in production.
Được đề xuất
Embedded Sensor Hub
An embedded sensor hub using the PIC16C64A-10I/L can aggregate data from SPI or I2C sensors through the SSP block while exposing status via the 33 GPIO. The Harvard RISC architecture executes 10 MIPS deterministically, easing worst-case latency in real-time sensor-fusion loops. 128 B RAM is sufficient for short moving-average filters on a handful of channels, and the 3.5 KB OTP stores protocol stacks (Modbus RTU, simple wireless encoders). Industrial temperature rating supports outdoor sensor enclosures.
Được đề xuất
Low-Cost Consumer Appliance Control
Consumer appliances such as rice cookers, washing machines, and air-conditioner remotes leverage the PIC16C64A-10I/L's small BOM, OTP code-lock for factory firmware, and 33 GPIO for keypad plus 7-segment or LCD interface. The 16-bit timer drives buzzer PWM and the 8-bit timer handles button debounce. Power consumption under 2 mA at 5 V / 4 MHz keeps standby drain low for line-powered appliances; OTP memory prevents users from reflashing production firmware.
Được đề xuất
Legacy PIC16C5X/C6X Upgrade Platform
The PIC16C64A-10I/L is widely used as an upgrade platform for legacy PIC16C5X and PIC16C6X designs because the 44-pin PLCC footprint matches several Microchip part numbers, and the PIC16C instruction set is forward-compatible. Designers migrate code from PIC16C55/PIC16C57 footprints by re-routing signals to port assignments and gain 33 GPIO, 128 B RAM, and a parallel slave port. OTP memory and NRND lifecycle mean the part is ideal for code-frozen legacy production but not for new designs.
Được đề xuất
Automotive Body / Comfort Modules (Cabin Only)
Cabin-temperature automotive body and comfort modules such as seat controllers, mirror adjusters, and interior lighting drivers can use the PIC16C64A-10I/L in the -40C to +85C industrial grade. The 33 GPIO directly drives relays and FET gates, while the SSP block handles LIN-bus transceivers via external hardware. Note that the part is NRND and not AEC-Q100 qualified; for AEC-Q100 mandates select a Flash PIC16F or PIC18 part from Microchip's automotive portfolio.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C64A-10I/L — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16C64A-04I/L | PIC16C64A-10/PT | PIC16C64A-04I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin PLCC (16.59x16.59 mm) | 44-pin PLCC (16.59x16.59 mm) - same | 44-pin TQFP - different land pattern | 44-pin TQFP - different land pattern |
| Maximum Clock Frequency | 10 MHz | 4 MHz | 10 MHz | 4 MHz |
| CPU Throughput | 10 MIPS | 4 MIPS | 10 MIPS | 4 MIPS |
| Program Memory | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP |
| Data RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| I/O Pins | 33 | 33 | 33 | 33 |
| Supply Voltage | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Lifecycle Status | NRND | NRND | NRND | NRND |
Bảo phân biệt quan trọng
- Highest-speed 44-pin PLCC OTP variant in PIC16C64A family (vsPIC16C64A-04I/L)
- Industrial temperature range in 44-pin PLCC package (vsPIC16C64A-10/PT)
- 33 GPIO with parallel slave port for bus expansion (vsPIC16C64A-04I/PT)
Ghi chú thiết kế
The PIC16C64A-10I/L requires a stable 4.0 V to 5.5 V supply. Place a 100 nF ceramic decoupling capacitor as close as possible to each VDD pin (pins 11 and 32 in PLCC-44) and a bulk 10 uF tantalum or aluminum capacitor on the 5 V rail. The MCLR/VPP pin (pin 1) needs a 10-50 kohm pull-up to VDD plus a 100 nF capacitor to ground for hardware-reset debouncing; do not omit the capacitor or transient ESD events on MCLR can trigger spurious resets in industrial environments.
Route the OSC1/OSC2 traces short and symmetric, and keep them away from high-current switching nodes such as relay coils or PWM-driven gate drivers to avoid clock jitter. If using a high-speed crystal (above 4 MHz), add a 1 Mohm resistor across the crystal to bias the inverter into its linear region. Place the parallel slave port (port D / RE0-RE2) traces as a matched-length group if the bus is shared with an external host - the PSP is the most EMI-sensitive interface on this part.
Do not program the PIC16C64A-10I/L above 5.5 V or below 4.0 V - brown-out at 4.0 V can corrupt the OTP program memory during in-circuit programming with ICD-2/ICD-3. The OTP array can be written only once: order the JW (ceramic windowed) package for prototype firmware iteration, then move to plastic PLCC OTP for production. Always enable the watchdog timer for unattended industrial deployments; it uses a dedicated on-chip RC oscillator that runs even when the main oscillator is halted.
When using the SSP block for SPI at clock rates above 1 MHz, add 33 ohm series resistors on SCK, SDI, and SDO to dampen reflections from the long PCB traces typical in industrial panels. The I2C lines (RC3/SCL, RC4/SDA) need external 4.7 kohm pull-ups to VDD - the PIC16C64A-10I/L does not have internal pull-ups on these pins because they are SSP-driven. Slew-rate control via the SSPSTAT register (CKE bit) reduces EMI on long cables.
Thông tin tuân thủ
PIC16C64A-10I/L is an NRND Microchip legacy part. RoHS/REACH/halogen status for the PLCC package was not specified in the verified distributor snippets; verify with Microchip RoHS CoC letter before placing into a RoHS-bound production BOM. Not AEC-Q100 qualified - not suitable for automotive safety-critical applications.
