PIC16C77T-10I/PQ - 14KB OTP 8-bit MCU 10MHz | Microchip
MPN: PIC16C77T-10I/PQ ✗ Cuối đờiPIC16C77T-10I/PQ Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, RAM, and configurable peripherals such as timers, communication ports, and analog-to-digital converters. The PIC family uses a Harvard RISC architecture, executing one instruction per clock cycle for deterministic real-time performance. The PIC16C7X sub-family adds on-chip 8-bit A/D conversion, placing these MCUs in the broader taxonomy: MCU -> 8-bit MCU -> RISC MCU -> PIC16CXX mid-range family.
Key features include 14 KB (8K x 14) OTP program memory, 368 bytes of data RAM, 33 I/O pins, an integrated 8-bit A/D converter with multiple channels, three timers, a synchronous serial port (SSP) supporting SPI and I2C, a USART, and a capture/compare/PWM module. The 44-pin MQFP (PQ) package supports industrial-grade -40C to +85C operation, indicated by the 'I' suffix, and 'T' denotes Tape and Reel packaging. The '10' designator identifies the 10 MHz maximum clock frequency variant.
Architecturally, the PIC16C77 uses a 14-bit instruction word with a hardware stack of 8 levels and an 8-level deep interrupt structure. The CMOS static design allows the clock to be slowed or stopped for low-power operation. The 'C' in PIC16C77 indicates OTP (one-time programmable) program memory, which is suitable for production runs where the firmware is finalized before manufacturing.
Typical applications include industrial control systems, instrumentation, motor control, sensor interfacing, and embedded consumer products where A/D conversion, communication peripherals, and ample I/O are required. Its integrated ADC and multiple peripherals suit process monitoring and small closed-loop control designs.
When designing with this device, plan for OTP programming - firmware must be verified on a windowed (JW) or flash equivalent before committing to OTP production. The Microchip PIC16F77 (flash-based) is the recommended migration path; according to the Microchip product page, PIC16F77 is a newer, flash-programmable alternative that offers identical pinout and peripherals.
This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes not found in the standalone manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC16C77T-10I/PQ — 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 PIC16C77T-10I/PQ (cùng hình factor và footprint) — khác nhau ở Package, Timers, Operating Temperature, Serial Interfaces, ADC.
PIC16C77-10I/PQ
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F77-I/PQ
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C77-10/PQ
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16C77-04I/PQ
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16C77-20I/PQ
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16C774T/PQ
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16C77T-10I/PQ Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Family | PIC16C7X (Mid-Range) |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 14 KB (8K x 14) |
| Data RAM | 368 bytes |
| Tần số xung maksimum | 10 MHz |
| Instruction Execution Time | 200 ns |
| Supply Voltage (Vdd) | 5 V (typical) |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| I/O Pins | 33 |
| A/D Converter | 8-bit, integrated |
| Timers | 3 |
| Communication | USART, SSP (SPI / I2C) |
| Hộp | MQFP-44 (PQ) |
| Kiểu lắp đặt | Surface Mount |
| Temperature Grade | Industrial |
| Terminal Form | Gull Wing |
Cấu hình chân PIC16C77T-10I/PQ
| Chân 1 | OSC1/CLKIN — Oscillator input / external clock |
| Chân 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Chân 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Chân 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Chân 5 | RA3/AN3/VREF — PORTA bit 3 / analog input 3 / ADC reference |
| Chân 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Chân 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SSP slave select |
| Chân 8 | Vss — Ground |
| Chân 9 | OSC2/CLKOUT — Oscillator output / clock out |
| Chân 10 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / clock input |
| Chân 11 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| Chân 12 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Chân 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Chân 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Chân 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| Chân 16 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Chân 17 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Chân 18 | Vss — Ground |
| Chân 19 | Vdd — Positive supply (5 V) |
| Chân 20 | RB0/INT — PORTB bit 0 / external interrupt |
| Chân 21 | RB1 — PORTB bit 1 |
| Chân 22 | RB2 — PORTB bit 2 |
| Chân 23 | RB3 — PORTB bit 3 |
| Chân 24 | RB4 — PORTB bit 4 |
| Chân 25 | RB5 — PORTB bit 5 |
| Chân 26 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Chân 27 | RB7/PGD — PORTB bit 7 / ICSP data |
| Chân 28 | Vss — Ground |
| Chân 29 | VDD — Positive supply |
| Chân 30 | RD0 — PORTD bit 0 |
| Chân 31 | RD1 — PORTD bit 1 |
| Chân 32 | RD2 — PORTD bit 2 |
| Chân 33 | RD3 — PORTD bit 3 |
| Chân 34 | RD4 — PORTD bit 4 |
| Chân 35 | RD5 — PORTD bit 5 |
| Chân 36 | RD6 — PORTD bit 6 |
| Chân 37 | RD7 — PORTD bit 7 |
| Chân 38 | Vss — Ground |
| Chân 39 | VDD — Positive supply |
| Chân 40 | RE0/RD — PORTE bit 0 / read control |
| Chân 41 | RE1/WR — PORTE bit 1 / write control |
| Chân 42 | RE2/CS — PORTE bit 2 / chip select |
| Chân 43 | Vss — Ground |
| Chân 44 | MCLR/Vpp — Master clear / programming voltage |
Ứng dụng tiêu biểu
PIC16C77T-10I/PQ phù hợp cho 7 Áp dụngs: Industrial Process Control, Sensor Interface Module, Small Motor Control, Embedded Instrumentation, HVAC Control Systems, Consumer Appliance Control, Security Keypad Panel.
Industrial Process Control
The PIC16C77T-10I/PQ is well-suited for industrial process monitoring loops where its integrated 8-bit ADC, USART, and industrial -40C to +85C temperature range align with sensor acquisition requirements. The 200 ns instruction execution supports sub-millisecond PID loop times for closed-loop control of pressure, flow, or temperature variables. The 33 I/O pins allow direct interfacing to HMI keypads, displays, and digital actuators without external logic. Its OTP memory keeps per-unit cost low once firmware is finalized for high-volume production.
Được đề xuất
Sensor Interface Module
The 14 KB OTP program memory and 368-byte RAM accommodate small protocol stacks for SPI or I2C sensor hubs. The PIC16C77T-10I/PQ's SSP peripheral supports both SPI and I2C master/slave modes, allowing direct connection to digital accelerometers, pressure sensors, and EEPROM memory. The 33 I/O lines provide expansion for status LEDs, alarm relays, and digital outputs. The integrated 8-bit ADC converts analog channels from thermistors or transducers concurrently with digital I/O activity.
Được đề xuất
Small Motor Control
The Capture/Compare/PWM (CCP) module of the PIC16C77T-10I/PQ enables direct PWM generation for brushed DC or small brushless motor control applications. The 10 MHz clock produces PWM frequencies up to 39 kHz with 8-bit resolution, sufficient for low-voltage motor drivers. The 33 I/O pins handle direction control, tachometer feedback, current sensing via the ADC, and fault inputs. The industrial temperature grade ensures operation in enclosures near motor heat sources.
Được đề xuất
Embedded Instrumentation
Portable instrumentation benefits from the PIC16C77T-10I/PQ's static CMOS design that allows the clock to be slowed for low-power operation between measurement cycles. The integrated ADC, USART for serial data output, and ample I/O for button/display interfaces create a complete data-acquisition front end. The 14 KB OTP holds lookup tables for sensor linearization and calibration constants. Industrial temperature operation supports lab and field-deployed measurement equipment.
Được đề xuất
HVAC Control Systems
HVAC zone controllers use the PIC16C77T-10I/PQ's combination of analog inputs (temperature, humidity), digital outputs (relay drivers, valve actuators), and serial communication (USART for BACnet or Modbus bridges). The -40C to +85C industrial temperature range covers unconditioned equipment rooms and rooftop enclosures. The 8-bit ADC provides adequate resolution for typical HVAC sensor signals after firmware-side filtering.
Được đề xuất
Consumer Appliance Control
White goods and small appliances leverage the PIC16C77T-10I/PQ's 33 I/O pins to drive 7-segment displays, keypad matrices, indicator LEDs, and buzzer outputs without external latches. The OTP memory keeps per-unit cost low for high-volume consumer production. The integrated peripherals handle AC zero-cross detection, triac firing via interrupts, and serial EEPROM recall of user settings. The 200 ns instruction time keeps user-interface response snappy.
Được đề xuất
Security Keypad Panel
The PIC16C77T-10I/PQ's 33 I/O lines easily scan a 4x4 matrix keypad while driving status LEDs, a piezo buzzer, and a relay or magnetic-lock driver. The USART interfaces to a centralized alarm panel for event reporting. The 14 KB OTP holds PIN database, event log, and anti-tamper logic. Industrial temperature operation is reliable for outdoor or semi-outdoor keypad installations.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C77T-10I/PQ — 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 | PIC16C77-10I/PQ | PIC16F77-I/PQ | PIC16C77-10/PQ | PIC16C77-04I/PQ | PIC16C77-20I/PQ | PIC16C774T/PQ |
|---|---|---|---|---|---|---|---|
| Package | MQFP-44 (PQ) | MQFP-44 (PQ) | MQFP-44 (PQ) | MQFP-44 (PQ) | MQFP-44 (PQ) | MQFP-44 (PQ) | MQFP-44 (PQ) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory Type | OTP (14 KB) | OTP (14 KB) | Flash (14 KB) | OTP (14 KB) | OTP (14 KB) | OTP (14 KB) | OTP (14 KB) |
| Max Clock Frequency | 10 MHz | 10 MHz | 20 MHz | 10 MHz | 4 MHz | 20 MHz | 10 MHz |
| Temperature Grade | Industrial (-40C to +85C) | Industrial | Industrial | Commercial (0 to +70C) | Industrial | Industrial | Industrial |
| Packaging Media | Tape & Reel | Tube | Tube / T&R | Tube | Tube | Tube | Tape & Reel |
| ADC Resolution | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | 12-bit |
| Lifecycle Status | Obsolete | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete |
Bảo phân biệt quan trọng
- Industrial temperature grade availability in legacy OTP family (vsPIC16C77-10/PQ)
- Direct flash-based drop-in upgrade path (vsPIC16F77-I/PQ)
- Integrated 8-bit ADC with multiple channels (vsPIC16C774T/PQ)
Ghi chú thiết kế
OTP memory (One-Time Programmable) cannot be erased or rewritten. Per the Microchip product page, PIC16C77T-10I/PQ should only be programmed after firmware is fully validated using the flash-based PIC16F77 or windowed PIC16C77/JW. Programming bad firmware into OTP parts wastes inventory and incurs per-unit programming costs. Always run pre-production batches through engineering review.
The 44-pin MQFP (PQ) package has 0.8 mm pitch leads. Per the Microchip datasheet, the exposed die-paddle on the package bottom is not electrically connected - it does NOT need thermal soldering but should be soldered for mechanical integrity. Place a ground pour under the package to reduce EMI from the high-frequency oscillator. Keep analog inputs (RA0-RA5) routed away from digital lines to minimize ADC noise coupling.
PIC16C77T-10I/PQ operates from 5 V typical supply but supports the mid-range PIC family standard 2.5 V to 5.5 V wide voltage range. Decouple Vdd with a 100 nF ceramic capacitor placed within 5 mm of each Vdd pin (the device has multiple Vdd pins on pins 19, 29, 39). Add a 10 uF bulk capacitor near the package for switching transients. The MCLR pin requires a 10 kohm pull-up to Vdd for normal operation; in-circuit serial programming (ICSP) uses a low-voltage path.
The 10 MHz clock oscillator (pins OSC1/OSC2) generates harmonics that can couple into analog inputs. Route oscillator traces on the top layer over a continuous ground plane to contain RF emissions. Use a guard ring around the analog traces (RA0-RA5) tied to analog ground. The ADC conversion accuracy degrades if the source impedance exceeds 10 kohm; add a unity-gain buffer (e.g., MCP6001) for high-impedance sensors.
Thông tin tuân thủ
PIC16C77T-10I/PQ predates RoHS transition dates; RoHS/REACH compliance status was not stated in the verified web data and is marked as unknown. For new designs requiring compliance, Microchip recommends the PIC16F77 family. AEC-Q100 qualification is not applicable for industrial/consumer MCU.
