PIC17C762-16I/PT - 16KB EPROM 8-bit MCU, 66 I/O, TQFP-80 | Microchip
MPN: PIC17C762-16I/PT ✗ اختتامِ زندگیPIC17C762-16I/PT جائزہ
An 8-bit microcontroller (MCU) is a small, self-contained computing element that integrates a CPU, non-volatile program memory, working RAM, and peripheral blocks on a single die. Within that hierarchy, an OTP/EPROM MCU stores its firmware in one-time-programmable or erasable-programmable read-only memory, making it a fit for low-volume production, prototyping, and field-upgradable legacy designs. The PIC17C family sits at the high end of Microchip's original 8-bit lineup, delivering more MIPS, more pins, and more memory than the baseline PIC16 family while preserving the easy-to-learn 16-bit instruction word RISC architecture.
Key features of the PIC17C762-16I/PT include a hardware 8-bit x 8-bit single-cycle multiplier, an integrated 10-bit A/D converter with multiple input channels, multiple timer/counter modules, a USART, and capture/compare/PWM peripherals. The wide operating voltage (4.5 V to 5.5 V) and industrial temperature range (-40C to +85C, indicated by the "I" suffix) make it suitable for factory-floor and commercial embedded equipment. Its 80-pin TQFP footprint exposes nearly every pin as a general-purpose I/O, enabling direct bus-style interfacing to LCDs, keypads, and external memory.
Typical applications include industrial control boards, instrumentation front-ends, motor-control subsystems, and legacy embedded products that were designed against the original PIC17C family. Designers migrating a PIC17C762 board to a newer architecture can use the PIC18F8520 as a drop-in software-compatible successor per Microchip's own product page recommendation. The 10-bit A/D and large I/O count also make it relevant for sensor-hub and human-machine-interface designs.
When designing with this device, allocate adequate decoupling (typically 0.1 uF ceramic per VDD/VSS pair) and follow Microchip's PIC17C family errata for the OTP programming algorithm. Note that the PIC17C762 has been superseded by the PIC18F8520 for new designs; verify long-term supply before committing to new production.
کے لیے ڈراپ اِن متبادل PIC17C762-16I/PT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC17C762-16I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Data Bus Width, Core Architecture, I/O Pins, Operating Temperature.
PIC17C762-16/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C756A-16I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F8520-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C762T-16I/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC17C766-16I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C762-16I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC 8-bit RISC |
| Program Memory | 16 KB EPROM (OTP) |
| RAM | 678 bytes |
| Data EEPROM | Not specified (internal data memory only) |
| زیادہ سے زیادہ کلاک فریکوئنسی | 33 MHz input (16 MHz for -16 speed grade) |
| Instruction Cycle | 121 ns (single cycle, 4-clock) |
| Performance | 8.25 MIPS |
| Supply Voltage (VDD) | 4.5 V to 5.5 V |
| I/O Pins | 50 to 66 (per peripheral multiplex) |
| A/D Converter | 10-bit, multi-channel |
| Multiplier | 8-bit x 8-bit hardware, single-cycle |
| آپریٹنگ درجہ حرارت | -40C to +85C (industrial, "I" suffix) |
| پیکیج | TQFP-80 (PT) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| ROM Type | OTP (One-Time Programmable) EPROM |
| Instruction Set | 58 single-word instructions |
PIC17C762-16I/PT پن کنفیگریشن
| پن 1 | RC0 — PORTC bit 0 / digital I/O |
| پن 2 | RC1 — PORTC bit 1 / digital I/O |
| پن 3 | RC2 — PORTC bit 2 / digital I/O |
| پن 4 | RC3 — PORTC bit 3 / digital I/O |
| پن 5 | RC4 — PORTC bit 4 / digital I/O |
| پن 6 | RC5 — PORTC bit 5 / digital I/O |
| پن 7 | RC6 — PORTC bit 6 / digital I/O |
| پن 8 | RC7 — PORTC bit 7 / digital I/O |
| پن 9 | VSS — Ground reference |
| پن 10 | RD0 — PORTD bit 0 / digital I/O |
| پن 11 | RD1 — PORTD bit 1 / digital I/O |
| پن 12 | RD2 — PORTD bit 2 / digital I/O |
| پن 13 | RD3 — PORTD bit 3 / digital I/O |
| پن 14 | RD4 — PORTD bit 4 / digital I/O |
| پن 15 | RD5 — PORTD bit 5 / digital I/O |
| پن 16 | RD6 — PORTD bit 6 / digital I/O |
| پن 17 | RD7 — PORTD bit 7 / digital I/O |
| پن 18 | VSS — Ground reference |
| پن 19 | VREF — A/D voltage reference input |
| پن 20 | AVSS — Analog ground |
| پن 21 | AN0 — Analog input channel 0 |
| پن 22 | AN1 — Analog input channel 1 |
| پن 23 | AN2 — Analog input channel 2 |
| پن 24 | AN3 — Analog input channel 3 |
| پن 25 | AN4 — Analog input channel 4 |
| پن 26 | AN5 — Analog input channel 5 |
| پن 27 | AN6 — Analog input channel 6 |
| پن 28 | AN7 — Analog input channel 7 |
| پن 29 | AVDD — Analog supply voltage |
| پن 30 | RA0 — PORTA bit 0 / digital I/O |
| پن 31 | RA1 — PORTA bit 1 / digital I/O |
| پن 32 | RA2 — PORTA bit 2 / digital I/O |
| پن 33 | RA3 — PORTA bit 3 / digital I/O |
| پن 34 | RA4 — PORTA bit 4 / digital I/O |
| پن 35 | RA5 — PORTA bit 5 / digital I/O |
| پن 36 | RA6 — PORTA bit 6 / digital I/O |
| پن 37 | RA7 — PORTA bit 7 / digital I/O |
| پن 38 | VSS — Ground reference |
| پن 39 | OSC1 — Oscillator input / crystal connection |
| پن 40 | OSC2 — Oscillator output / crystal connection |
| پن 41 | MCLR — Master Clear reset input (active low) |
| پن 42 | RB0 — PORTB bit 0 / digital I/O / external interrupt |
| پن 43 | RB1 — PORTB bit 1 / digital I/O |
| پن 44 | RB2 — PORTB bit 2 / digital I/O |
| پن 45 | RB3 — PORTB bit 3 / digital I/O |
| پن 46 | RB4 — PORTB bit 4 / digital I/O |
| پن 47 | RB5 — PORTB bit 5 / digital I/O |
| پن 48 | RB6 — PORTB bit 6 / digital I/O / ICSCLK |
| پن 49 | RB7 — PORTB bit 7 / digital I/O / ICSDAT |
| پن 50 | VSS — Ground reference |
| پن 51 | VDD — Digital supply voltage |
| پن 52 | RE0 — PORTE bit 0 / digital I/O |
| پن 53 | RE1 — PORTE bit 1 / digital I/O |
| پن 54 | RE2 — PORTE bit 2 / digital I/O |
| پن 55 | RE3 — PORTE bit 3 / digital I/O |
| پن 56 | RE4 — PORTE bit 4 / digital I/O |
| پن 57 | RE5 — PORTE bit 5 / digital I/O |
| پن 58 | RE6 — PORTE bit 6 / digital I/O |
| پن 59 | RE7 — PORTE bit 7 / digital I/O |
| پن 60 | VSS — Ground reference |
| پن 61 | VDD — Digital supply voltage |
| پن 62 | RF0 — PORTF bit 0 / digital I/O |
| پن 63 | RF1 — PORTF bit 1 / digital I/O |
| پن 64 | RF2 — PORTF bit 2 / digital I/O |
| پن 65 | RF3 — PORTF bit 3 / digital I/O |
| پن 66 | RF4 — PORTF bit 4 / digital I/O |
| پن 67 | RF5 — PORTF bit 5 / digital I/O |
| پن 68 | RF6 — PORTF bit 6 / digital I/O |
| پن 69 | RF7 — PORTF bit 7 / digital I/O |
| پن 70 | VSS — Ground reference |
| پن 71 | RG0 — PORTG bit 0 / digital I/O |
| پن 72 | RG1 — PORTG bit 1 / digital I/O |
| پن 73 | RG2 — PORTG bit 2 / digital I/O |
| پن 74 | RG3 — PORTG bit 3 / digital I/O |
| پن 75 | RG4 — PORTG bit 4 / digital I/O |
| پن 76 | VDD — Digital supply voltage |
| پن 77 | RH0 — PORTH bit 0 / digital I/O |
| پن 78 | RH1 — PORTH bit 1 / digital I/O |
| پن 79 | RH2 — PORTH bit 2 / digital I/O |
| پن 80 | RH3 — PORTH bit 3 / digital I/O |
عام استعمالات
PIC17C762-16I/PT کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Control Boards, Instrumentation Front-Ends, Motor Control Subsystems, Human-Machine Interface Controllers, Sensor Hub and Data Acquisition, Legacy Embedded Product Sustaining.
Industrial Control Boards
The PIC17C762-16I/PT fits industrial control boards because of its 80-pin TQFP package exposing 50-66 I/O lines for direct interface to relays, contactors, opto-isolated inputs, and 7-segment displays. Its 8.25 MIPS core and 121 ns instruction cycle deliver deterministic response time for closed-loop PID loops, while the on-chip 10-bit A/D handles analog sensor readback for temperature, pressure, and flow. Industrial temperature range (-40C to +85C) and 4.5-5.5 V supply tolerance suit 24 V-conditioned factory rails. Pair with PIC18F8520-I/PT as the modern migration target when firmware space exceeds 16 KB.
تجویز کردہ
Instrumentation Front-Ends
For instrumentation front-ends such as digital multimeters and bench-top test gear, the PIC17C762-16I/PT provides the 10-bit A/D converter, generous I/O count for rotary encoder inputs, and the deterministic 121 ns instruction cycle needed for precise timing measurements. The 678 bytes of RAM hold real-time sample buffers, while the 16 KB OTP holds calibration tables and user-interface state machines. The wide digital I/O enables direct drive of LCD character displays without external bus expander ICs, reducing BOM cost in legacy instrument designs.
تجویز کردہ
Motor Control Subsystems
The PIC17C762-16I/PT is well suited for motor control subsystems requiring multiple PWM channels, quadrature encoder inputs, and fault-monitoring GPIO. Its hardware 8-bit x 8-bit single-cycle multiplier accelerates Clarke/Park transformations in sensorless BLDC commutation algorithms, while the 50+ I/O lines handle H-bridge gate signals and current-sense amplifiers. The 10-bit A/D converter reads back shunt current and back-EMF for closed-loop torque control, and the 8.25 MIPS performance keeps the control loop well under 100 us.
تجویز کردہ
Human-Machine Interface Controllers
In HMI controllers driving character LCDs, keypads, and status LEDs, the PIC17C762-16I/PT offers the 50-66 I/O lines required to scan 4x4 key matrices, drive 16x2 or 20x4 LCDs in 4-bit mode, and bit-bang shift registers for additional indicator LEDs. The 16 KB OTP holds menu trees and event logs, while the 678-byte RAM serves as scratch for input debouncing. The PIC17C RISC core's 121 ns cycle time keeps keypad scan latency under 2 ms, providing responsive user feedback without an external RTOS.
تجویز کردہ
Sensor Hub and Data Acquisition
For multi-sensor data acquisition boards, the PIC17C762-16I/PT's multi-channel 10-bit A/D converter digitizes thermocouples, RTDs, and 4-20 mA current loops while the hardware multiplier scales raw counts into engineering units in a single cycle. The 50+ I/O lines drive RS-485 transceivers for Modbus RTU communication, and the 678-byte RAM buffers incoming frames before forwarding them to a host. With the 8.25 MIPS core, sampling rates up to 50 kSPS are achievable across multiple channels in round-robin fashion.
تجویز کردہ
Legacy Embedded Product Sustaining
The PIC17C762-16I/PT remains in service for sustaining engineering of legacy products originally designed around the PIC17C family, including industrial printers, weighing scales, and process controllers. Because the PIC18F8520 is software-migratable and shares the same TQFP-80 footprint, sustaining engineers can ship either PIC17C762 or PIC18F8520 firmware images on identical PCBs depending on stock availability. The 16 KB OTP/EPROM preserves bit-exact legacy behavior for installed bases that cannot tolerate firmware rewrites.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC17C762-16I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC17C762-16/PT | PIC17C756A-16I/PT | PIC18F8520-I/PT | PIC17C762T-16I/PT | PIC17C766-16I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-80 (PT) | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same |
| Program Memory | 16 KB EPROM | 16 KB EPROM (same) | 8 KB EPROM (-50%) | 32 KB Flash (+100%) | 16 KB EPROM (same) | 16 KB EPROM (same) |
| RAM | 678 bytes | 678 bytes (same) | 454 bytes (-33%) | 2048 bytes (+202%) | 678 bytes (same) | 902 bytes (+33%) |
| Memory Type | OTP EPROM | OTP EPROM (same) | OTP EPROM (same) | Flash (different) | OTP EPROM (same) | OTP EPROM (same) |
| Core Architecture | PIC17C 8-bit | PIC17C 8-bit (same) | PIC17C 8-bit (same) | PIC18 enhanced 8-bit | PIC17C 8-bit (same) | PIC17C 8-bit (same) |
| Operating Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V (same) | 4.5 V to 5.5 V (same) | 2.0 V to 5.5 V (wider) | 4.5 V to 5.5 V (same) | 4.5 V to 5.5 V (same) |
| Temperature Grade | Industrial -40C to +85C | Commercial 0C to +70C | Industrial -40C to +85C (same) | Industrial -40C to +85C (same) | Industrial -40C to +85C (same) | Industrial -40C to +85C (same) |
| Lifecycle Status | NRND | NRND | NRND | Active (recommended successor) | NRND | NRND |
اہم امتیازی خصوصیات
- Highest memory variant in the PIC17C762 family before moving to PIC17C766 (بمقابلہPIC17C756A-16I/PT)
- Officially sanctioned modernization path with same footprint (بمقابلہPIC18F8520-I/PT)
- Industrial temperature range vs commercial-only sibling (بمقابلہPIC17C762-16/PT)
- More RAM than PIC17C762 without changing package (بمقابلہPIC17C766-16I/PT)
ڈیزائن نوٹس
The PIC17C762-16I/PT requires 4.5 V to 5.5 V on every VDD pin (the 80-pin TQFP has multiple VDD/VSS pairs at pins 38, 50, 51, 60, 61, 70, 76). Place a 0.1 uF ceramic decoupling capacitor as close as possible to each VDD/VSS pair and add a bulk 10 uF tantalum at the regulator output. Use a low-ESR regulator such as the Microchip MCP1700 or equivalent LDO to keep the analog supply (AVDD/AVSS) clean for the 10-bit A/D converter.
Do not confuse the PIC17C762-16I/PT (-16 speed grade, 16 MHz max oscillator) with the -33 speed grade PIC17C756A-33I/PT which runs at 33 MHz oscillator. Using a 20 MHz crystal on a -16 device will result in out-of-spec timing and instruction cycle violations. Also note the PIC17C762 is in NRND status per Microchip; for new designs the PIC18F8520 is the explicitly recommended successor on the same TQFP-80 footprint.
For the 10-bit A/D converter, route analog inputs (AN0-AN7) away from digital switching traces on the PCB and place a small RC filter (typically 1 kohm + 100 pF) at each analog input when driving from high-impedance sensors. Use VREF and AVSS pins (19 and 20) with their own decoupling and avoid sharing AVSS with digital ground returns - use a star-ground topology at the regulator ground pin.
The TQFP-80 package has a 0.5 mm pitch which requires fine-pitch PCB layout capability. Use 4 mil traces with 4 mil spaces minimum and plan for 8 mil via-in-pad if BGA-style escape is needed. Pin 1 is identified by the dot marker at the top-left when viewing the package top surface with the text orientation right-side-up.
تعمیل کی معلومات
Lead-free TQFP-80 package per Microchip ordering code "/PT". Formal RoHS/REACH compliance not explicitly confirmed in the public datasheet snippets available; request compliance certificate from Microchip for regulated end markets. AEC-Q100 not applicable (general industrial/commercial MCU).
