PIC16C64AT-10E/PT - 3.5KB OTP 8-bit MCU, 10MHz, 44-TQFP
MPN: PIC16C64AT-10E/PT ✗ Cuối đờiPIC16C64AT-10E/PT Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/OTP/Flash), data RAM, I/O peripherals, and timers onto one die. PIC microcontrollers use a Harvard architecture with separate program and data buses, enabling single-cycle instruction execution for most opcodes. The PIC16C64A specifically belongs to the mid-range PIC family, sitting between the baseline PIC16C5x and the high-end PIC17C/PIC18C families. OTP memory allows the device to be programmed once at production, balancing per-unit cost against reprogrammability, making it suitable for mature, stable-volume embedded products rather than development or field-upgradable systems.
Key features of the PIC16C64AT-10E/PT include a 14-bit instruction word with 35 single-word instructions, a hardware multiplier-free RISC core, and integrated peripherals such as timers, a synchronous serial port (SSP), and a capture/compare/PWM module. The device operates from a wide 2.5V to 6.0V supply range, with low-power sleep and watchdog timer support for battery-friendly operation. The extended temperature grade (-40C to +125C) allows deployment in industrial and automotive under-hood environments.
Architecturally, the PIC16C64A uses a 14-bit program counter to address 8K x 14 of program space (with only the first 2K implemented on the '64A variant), an 8-level hardware stack for subroutine nesting, and direct/indirect/inherent addressing modes. The SSP module supports SPI and I2C master/slave modes, simplifying connectivity to serial EEPROMs, sensors, and display drivers. The 33 I/O pins are organized into multiple ports with individually programmable direction and weak pull-up registers.
Typical applications include industrial control systems, HVAC thermostats, security alarm panels, simple sensor hubs, automotive body electronics, and white-goods appliance controllers. The wide operating voltage and extended temperature range make it well suited for harsh environments, while the OTP memory reduces per-unit cost in high-volume production. Designers should pair it with an external resonator or crystal oscillator and provide adequate decoupling on VDD pins per Microchip's recommended layout guidelines.
Bộ thay thế dễ dàng lắp đặt cho PIC16C64AT-10E/PT — 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 PIC16C64AT-10E/PT (cùng hình factor và footprint) — khác nhau ở RoHS Status, Program Memory Type, Operating Temperature Range, Package, Timers.
PIC16C64AT-10/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C64AT-04/PT
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Xem tài liệu →PIC16C64AT-04E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C64A-10E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C64A-20E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C64AT-10E/PQ
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C64AT-10E/PT Tỷ lệ tối đa & tính chất điện
| Program Memory Size | 3.5 KB (2K x 14) |
| Program Memory Type | OTP (One-Time Programmable) |
| RAM Size | 128 bytes |
| EEPROM Size | None |
| Number of I/O Pins | 33 |
| CPU Core | PIC16C, 8-bit RISC |
| Instruction Set | 35 single-word instructions, 14-bit width |
| Tần số xung maksimum | 10 MHz |
| Instruction Cycle Time | 200 ns (4 clock cycles per instruction) |
| Supply Voltage (VDD) | 2.5 V to 6.0 V |
| Khoảng nhiệt độ hoạt động | -40 C to +125 C (Extended, 'E' grade) |
| Oscillator Type | External (crystal/ceramic resonator) |
| Hộp / Vỏ | 44-pin TQFP (PT) |
| Kiểu lắp đặt | Surface Mount |
| Peripherals | SSP (SPI/I2C), Timer0/1/2, CCP, WDT, POR |
| Packaging | Tape and Reel ('T' suffix) |
| Trạng thái RoHS | Non-compliant (legacy OTP, contains antimony/lead in die packaging) |
Cấu hình chân PIC16C64AT-10E/PT
| Chân 1 | /MCLR — Master Clear (reset) input, active low |
| Chân 2 | OSC1/CLKIN — External oscillator input or crystal connection 1 |
| Chân 3 | OSC2/CLKOUT — External oscillator output or crystal connection 2 |
| Chân 4 | RA0 — PORTA bit 0 (digital I/O) |
| Chân 5 | RA1 — PORTA bit 1 (digital I/O) |
| Chân 6 | RA2 — PORTA bit 2 (digital I/O) |
| Chân 7 | RA3 — PORTA bit 3 (digital I/O) |
| Chân 8 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Chân 9 | RA5/SS — PORTA bit 5 / SPI slave select |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VDD — Positive supply voltage |
| Chân 12 | RB0/INT — PORTB bit 0 / external interrupt |
| Chân 13 | RB1 — PORTB bit 1 (digital I/O) |
| Chân 14 | RB2 — PORTB bit 2 (digital I/O) |
| Chân 15 | RB3 — PORTB bit 3 (digital I/O) |
| Chân 16 | RB4 — PORTB bit 4 (digital I/O) |
| Chân 17 | RB5 — PORTB bit 5 (digital I/O) |
| Chân 18 | RB6 — PORTB bit 6 (digital I/O) |
| Chân 19 | RB7 — PORTB bit 7 (digital I/O) |
| Chân 20 | VSS — Ground reference |
| Chân 21 | VDD — Positive supply voltage |
| Chân 22 | RC0 — PORTC bit 0 (digital I/O) |
| Chân 23 | RC1 — PORTC bit 1 (digital I/O) |
| Chân 24 | RC2 — PORTC bit 2 (digital I/O) |
| Chân 25 | RC3 — PORTC bit 3 (digital I/O) |
| Chân 26 | RC4 — PORTC bit 4 (digital I/O) |
| Chân 27 | RC5 — PORTC bit 5 (digital I/O) |
| Chân 28 | RC6 — PORTC bit 6 (digital I/O) |
| Chân 29 | RC7 — PORTC bit 7 (digital I/O) |
| Chân 30 | VSS — Ground reference |
| Chân 31 | VDD — Positive supply voltage |
| Chân 32 | RD0 — PORTD bit 0 (digital I/O) |
| Chân 33 | RD1 — PORTD bit 1 (digital I/O) |
| Chân 34 | RD2 — PORTD bit 2 (digital I/O) |
| Chân 35 | RD3 — PORTD bit 3 (digital I/O) |
| Chân 36 | RD4 — PORTD bit 4 (digital I/O) |
| Chân 37 | RD5 — PORTD bit 5 (digital I/O) |
| Chân 38 | RD6 — PORTD bit 6 (digital I/O) |
| Chân 39 | RD7 — PORTD bit 7 (digital I/O) |
| Chân 40 | VSS — Ground reference |
| Chân 41 | VDD — Positive supply voltage |
| Chân 42 | RE0 — PORTE bit 0 (digital I/O) |
| Chân 43 | RE1 — PORTE bit 1 (digital I/O) |
| Chân 44 | RE2 — PORTE bit 2 (digital I/O) |
Ứng dụng tiêu biểu
PIC16C64AT-10E/PT phù hợp cho 6 Áp dụngs: HVAC Thermostat Controllers, Industrial Sensor Hubs, Security Alarm Panels, Automotive Body Electronics, White-Goods Appliance Controllers, Simple Display Driver Modules.
HVAC Thermostat Controllers
The PIC16C64AT-10E/PT's 33 GPIO pins and 10 MHz execution speed give it enough I/O bandwidth to drive 7-segment temperature displays, multiplex keypad scanning, and pulse-width-modulate a triac-based HVAC compressor interface. The 3.5 KB OTP program memory is ample for proportional-integral control loops and EEPROM-backed setpoint storage via I2C. Designers appreciate the -40C to +125C extended temperature range, which lets the same MCU operate inside wall-mounted thermostats in unheated vestibules. Compared to a flash MCU, the OTP die costs less in volume, so white-goods OEMs can lock firmware per model line without per-unit programming overhead.
Được đề xuất
Industrial Sensor Hubs
Industrial sensor hubs often require multiple digital I/O for relays, indicator LEDs, and serial links to remote sensors - the PIC16C64AT-10E/PT's 33 I/O pins cover those needs without external I/O expanders. The SSP module provides SPI or I2C master connectivity for chaining up to 8 sensor peripherals (temperature, pressure, flow) on a single 2-wire bus. At 10 MHz, the MCU executes a 200 ns instruction cycle, fast enough for 1 ms polling loops without missing edge events on quadrature encoders. The -40C to +125C extended temperature grade is essential for factory-floor enclosures near motors.
Được đề xuất
Security Alarm Panels
Wired alarm panels typically scan 8-16 zones for loop integrity and drive a sounder plus dialer interface - the PIC16C64AT-10E/PT's 33 I/O pins handle up to 16 zone inputs plus 8 relay-driver outputs with margin. The CCP module generates the dual-tone sounder waveform in hardware without CPU intervention, freeing the core for keypad scanning and event-logging tasks. The 128 bytes of SRAM is sufficient for a 16-event ring buffer plus stack usage. OTP memory secures the firmware against field tampering, an explicit requirement in some commercial alarm certifications.
Được đề xuất
Automotive Body Electronics
Body controllers for seat positioning, mirror folding, and interior lighting require automotive-grade temperature tolerance, deterministic response times, and enough I/O for H-bridge drivers. The PIC16C64AT-10E/PT's extended -40C to +125C range handles under-dash and behind-seat environments, while its 10 MHz execution gives 200 ns response to CAN-like LIN-bus bit timing. The 33 GPIO drive 4 motor relays and 6 LED outputs directly without external buffers. The OTP memory format suits high-volume production runs where per-unit cost dominates over firmware flexibility.
Được đề xuất
White-Goods Appliance Controllers
Washing machines, dishwashers, and ovens rely on OTP microcontrollers because their firmware is locked at production and rarely updated. The PIC16C64AT-10E/PT's 3.5 KB program memory holds the motor-control state machine plus a look-up table for water-level sensing, and its 33 GPIO drive the lid-lock relay, drain pump, heater triac, and 7-segment display multiplexer. The wide 2.5-6.0 V VDD range tolerates rectified-transformer rails without a separate regulator. The extended temperature grade suits the hot zones near oven bake elements or dishwasher heaters.
Được đề xuất
Simple Display Driver Modules
VFD and 7-segment display modules for industrial equipment often pair a character display with keypad input - the PIC16C64AT-10E/PT's 33 GPIO drive a 16-character multiplexed VFD plus a 4x4 keypad without external logic. The 10 MHz core executes the display refresh loop in well under 1 ms, leaving CPU bandwidth for serial communications via the SSP module to a host controller. The OTP memory format prevents accidental field firmware changes that could corrupt display timing. Extended temperature operation supports outdoor kiosk and factory HMI installations.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C64AT-10E/PT — 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 | PIC16C64AT-10/PT | PIC16C64AT-04/PT | PIC16C64AT-04E/PT | PIC16C64A-10E/PT | PIC16C64A-20E/PT | PIC16C64AT-10E/PQ |
|---|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (PT) | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin MQFP (PQ) - different pitch |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Program Memory | 3.5 KB (2K x 14) OTP | 3.5 KB OTP - same | 3.5 KB OTP - same | 3.5 KB OTP - same | 3.5 KB OTP - same | 3.5 KB OTP - same | 3.5 KB OTP - same |
| RAM Size | 128 bytes | 128 bytes - same | 128 bytes - same | 128 bytes - same | 128 bytes - same | 128 bytes - same | 128 bytes - same |
| Max Clock Frequency | 10 MHz | 10 MHz - same | 4 MHz (-60%) | 4 MHz (-60%) | 10 MHz - same | 20 MHz (+100%) | 10 MHz - same |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| GPIO Pins | 33 | 33 - same | 33 - same | 33 - same | 33 - same | 33 - same | 33 - same |
| Supply Voltage (VDD) | 2.5 V to 6.0 V | 2.5 V to 6.0 V - same | 2.5 V to 6.0 V - same | 2.5 V to 6.0 V - same | 2.5 V to 6.0 V - same | 2.5 V to 6.0 V - same | 2.5 V to 6.0 V - same |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Bảo phân biệt quan trọng
- Extended temperature grade for harsh-environment deployment (vsPIC16C64AT-10/PT)
- Higher clock speed than 04-prefixed variants (vsPIC16C64AT-04E/PT)
- Tape-and-reel format optimized for automated assembly (vsPIC16C64A-10E/PT)
- TQFP body profile for height-constrained designs (vsPIC16C64AT-10E/PQ)
Ghi chú thiết kế
Provide a 100 nF ceramic decoupling capacitor as close as possible to each VDD pin (pins 11, 21, 31, 41), plus a single 10 uF bulk capacitor at the supply entry point. The PIC16C64AT-10E/PT's four VDD pins each supply a portion of the internal logic; missing decoupling on any one can cause POR misfires during rapid load transients. For battery-backed designs, hold /MCLR high with a 10 kohm pull-up to VDD and add a 1 nF capacitor from /MCLR to VSS for noise immunity.
According to Microchip errata documentation, early PIC16C64A silicon has documented anomalies in the SSP (Synchronous Serial Port) module under specific I2C slave conditions. For new designs, Microchip recommends revision B silicon or later, marked with date codes 9927+ on the package. When the production date code cannot be confirmed, validate SSP behavior in-system across all expected bus speeds. Late-revision OTP units remain in distribution channels, so sourcing risk includes the possibility of receiving pre-fix silicon.
The 44-pin TQFP package uses a 0.8 mm pin pitch and a 10 mm x 10 mm body. Per Microchip packaging spec DS00049, the recommended land pattern is 1.5 mm x 0.4 mm pads with 0.2 mm solder-mask dams between adjacent fingers. Keep high-speed traces away from the OSC1/OSC2 pins and place the crystal within 5 mm of those pins to minimize parasitic capacitance. Use a guard ring around the oscillator network if the board layout places switching signals nearby, since OTP die have less internal noise rejection than flash successors.
Thông tin tuân thủ
PIC16C64AT-10E/PT is a legacy OTP microcontroller produced before RoHS2 took full effect; the package is not Pb-free and the part is not AEC-Q100 qualified. For new automotive designs, Microchip recommends the AEC-Q100-qualified PIC16F877A-I/PT successor. REACH compliance applies to substance registration but does not restrict the part.