PIC16C72A-04I/SP - 8-Bit 4MHz OTP MCU 22 I/O 5xADC | Microchip
MPN: PIC16C72A-04I/SP ✓ فعالPIC16C72A-04I/SP جائزہ
What is a PIC 16C microcontroller? The PIC 16C family is Microchip's classic mid-range 8-bit OTP (one-time-programmable) microcontroller line built on a Harvard architecture CMOS process, succeeding the PIC 16C5X baseline. PIC microcontrollers are RISC-style single-cycle-instruction devices widely used in embedded control where deterministic timing, low cost, and ease of programming in assembly or C are priorities, sitting in the broader taxonomy of microcontroller -> embedded controller -> integrated circuit -> semiconductor.
The PIC16C72A integrates 22 digital I/O pins with individual direction control, a 5-channel 8-bit Analog-to-Digital Converter (ADC), an 8-bit Timer0 with 8-bit prescaler, a 16-bit Timer1 with prescaler (increments during sleep via external crystal), a Capture/Compare/PWM (CCP) module, and a Synchronous Serial Port (SSP) configurable as either 3-wire SPI™ or 2-wire I²C™. Brown-Out Reset (BOR) circuitry protects against supply-voltage dips below the 4.0 V minimum operating threshold, ensuring defined power-on behavior.
From an architectural standpoint, the device uses a 14-bit instruction word with only 35 single-word instructions, providing upwards code compatibility with PIC16C5X and PIC12CXXX baselines and a compact, deterministic programming model. Power supply is 4.0–5.5 V (extended commercial range), with low-power sleep and watchdog-termination primitives that extend battery and standby operation.
Typical applications include industrial sensor interfaces, motor control via the CCP/PWM peripheral, analog signal acquisition through the 5-channel 8-bit ADC, SPI/I²C slave peripherals for sensor hubs, and Brown-Out-Reset-protected consumer appliances. Industrial control and instrumentation is the dominant vertical because of the wide temperature grade and 5 ADC channels. Selection between PIC16C72A and the flash-based PIC16F72A is governed by whether OTP one-time programming fits the production model; many designs migrate to PIC16F72A for in-field re-programmability.
When designing with this device, ensure the 28-SPDIP socket or PCB footprint matches Microchip's recommended land pattern; pin 1 is marked by the notch/dot convention of the SPDIP family. Because OTP memory cannot be erased, plan for code-finalization before programming or select the PIC16F72A flash equivalent for iterative development. Place a 0.1 µF decoupling capacitor adjacent to VDD/AVDD/VSS and follow Microchip ANs for SSP/SPI and I²C bus pull-ups.
This page synthesizes verified DigiKey/Mouser distributor pricing, Microchip PIC16C72A datasheet parameters, drop-in alternative cross-references, and practical design notes not assembled in any single manufacturer or distributor page.
کے لیے ڈراپ اِن متبادل PIC16C72A-04I/SP — 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 PIC16C72A-04I/SP (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Timers, Operating Temperature, Package, Program Memory Size, RAM Size.
PIC16C72A-04I/SO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C72A-20I/SP
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C72A-10I/SP
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16C72-04I/SP
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F72A-I/SP
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16C72A-04I/SP زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Series | PIC® 16C |
| Core Processor | PIC |
| Core Size | 8-Bit |
| Maximum Clock Speed | 4 MHz |
| Program Memory Size | 3.5 KB (2K x 14) OTP |
| RAM Size | 128 B |
| Number of I/O Pins | 22 |
| ADC | 5 channels x 8-bit |
| Timers | Timer0 (8-bit) + Timer1 (16-bit) |
| Capture/Compare/PWM | 1 x CCP module |
| Serial Interface | SSP - SPI or I²C |
| Supply Voltage (VDD) | 4.0 V to 5.5 V |
| آپریٹنگ درجہ حرارت | -40 °C to +85 °C (industrial) |
| Brown-Out Reset (BOR) | Yes |
| پیکیج | 28-SPDIP (Skinny Plastic DIP, 0.300 inch) |
| ماؤنٹنگ ٹائپ | Through-Hole |
| Instruction Execution | 200 ns per instruction |
| Instruction Set | 35 single-word instructions (14-bit) |
PIC16C72A-04I/SP پن کنفیگریشن
| پن 1 | MCLR — Master Clear (Reset) input, active low |
| پن 2 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| پن 3 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| پن 4 | RA2/AN2 — Digital I/O / Analog input channel 2 |
| پن 5 | RA3/AN3/VREF — Digital I/O / Analog input channel 3 / ADC VREF |
| پن 6 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| پن 7 | RA5/AN4/SS — Digital I/O / Analog input channel 4 / SPI Slave Select |
| پن 8 | VSS — Ground reference |
| پن 9 | OSC1/CLKIN — Oscillator crystal input / external clock input |
| پن 10 | OSC2/CLKOUT — Oscillator crystal output / clock output |
| پن 11 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output / Timer1 clock input |
| پن 12 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 |
| پن 13 | RC2/CCP1 — Digital I/O / Capture Compare PWM 1 |
| پن 14 | RC3/SCK/SCL — Digital I/O / SPI clock / I²C clock |
| پن 15 | RC4/SDI/SDA — Digital I/O / SPI data in / I²C data |
| پن 16 | RC5/SDO — Digital I/O / SPI data out |
| پن 17 | RC6 — Digital I/O |
| پن 18 | RC7 — Digital I/O |
| پن 19 | VSS — Ground reference |
| پن 20 | VDD — Positive supply voltage (4.0 to 5.5 V) |
| پن 21 | RB0/INT — Digital I/O / External interrupt input |
| پن 22 | RB1 — Digital I/O |
| پن 23 | RB2 — Digital I/O |
| پن 24 | RB3 — Digital I/O |
| پن 25 | RB4 — Digital I/O |
| پن 26 | RB5 — Digital I/O |
| پن 27 | RB6 — Digital I/O |
| پن 28 | RB7 — Digital I/O |
عام استعمالات
PIC16C72A-04I/SP کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Sensor Interface Board, Motor Control via CCP/PWM, Consumer Appliance Control, SPI Sensor Hub / Display Driver, Battery-Powered Instrumentation, Hobby and Educational Development Board.
Industrial Sensor Interface Board
The PIC16C72A-04I/SP suits multi-channel sensor-interface PCBs where 8-bit ADC precision is acceptable and the 5 analog inputs are sufficient. Its 5-channel 8-bit ADC and 22 I/O pins allow direct connection of temperature, pressure, and digital sensors to a single chip, while the SSP module configured as I²C reads external sensor hubs. Industrial temperature grade (-40 °C to +85 °C) and BOR handle harsh-environment power rails. Unlike higher-end 32-bit MCUs, the 8-bit PIC core keeps BOM cost low.
تجویز کردہ
Motor Control via CCP/PWM
The PIC16C72A-04I/SP is well matched to brushed-DC and small stepper motor control where the 8-bit core and 4 MHz clock are adequate for low-frequency PWM. The on-chip Capture/Compare/PWM module generates the PWM control signals to MOSFET or BJT drivers, while the 16-bit Timer1 sets the PWM period. Industrial temperature grade supports motor-bearing-housing environments. Trade-off: at 4 MHz the 200 ns instruction execution may limit high-Kv brushless DC control loops.
تجویز کردہ
Consumer Appliance Control
The PIC16C72A-04I/SP fits appliance control boards (small kitchen equipment, washing-machine sub-modules) where the OTP-programmed 8-bit PIC keeps unit cost minimal. The 22 I/O pins drive relay and triac actuators, the 5-channel ADC reads thermistor and water-level sensors, and the SSP as I²C talks to EEPROM for user settings. BOR protects against brown-out events from inductive-load switching. Industrial temperature range supports inside-cabinet mounting.
تجویز کردہ
SPI Sensor Hub / Display Driver
The PIC16C72A-04I/SP can act as a small SPI hub, polling multiple SPI slaves (sequensors, ADC chips, LED drivers) and forwarding their data over UART or I²C. The SSP module operates as 3-wire SPI master, with up to 22 GPIO for chip-select lines. 3.5 KB OTP holds the polling/scheduling code. Use the 8-bit core when a 32-bit MCU is overkill and BOM cost is the primary constraint.
تجویز کردہ
Battery-Powered Instrumentation
The PIC16C72A-04I/SP industrial temperature grade and BOR circuit make it a candidate for portable instrumentation where supply dips are common. The 8-bit core, modest 4 MHz clock, and OTP memory minimize active current; sleep mode with Timer1 external-crystal wake-up provides low standby drain. Trade-off: OTP precludes field firmware updates, so code must be locked-down before programming.
تجویز کردہ
Hobby and Educational Development Board
The PIC16C72A-04I/SP's 28-SPDIP through-hole package, 4 MHz clock, and PIC mid-range architecture make it a common teaching and prototyping target. The 22 I/O pins are easily accessible on a breadboard via the DIP form factor, and the SSP/SPI+I²C peripheral introduces students to common serial buses. The OTP limitation encourages disciplined code-finalization before programming. Engineers who later need field updates should evaluate PIC16F72A-I/SP instead.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16C72A-04I/SP — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C72A-04I/SO | PIC16C72A-20I/SP | PIC16C72A-10I/SP | PIC16C72-04I/SP | PIC16F72A-I/SP |
|---|---|---|---|---|---|---|
| Package | 28-SPDIP (SP) | 28-SOIC (SO) | 28-SPDIP (SP) | 28-SPDIP (SP) | 28-SPDIP (SP) | 28-SPDIP (SP) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum Clock Speed | 4 MHz | 4 MHz | 20 MHz | 10 MHz | 4 MHz | 20 MHz |
| Program Memory Type | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 2 KB OTP | 3.5 KB Flash |
| ADC Channels | 5 x 8-bit | 5 x 8-bit | 5 x 8-bit | 5 x 8-bit | 5 x 8-bit | 5 x 8-bit |
| I/O Pins | 22 | 22 | 22 | 22 | 22 | 22 |
| RAM | 128 B | 128 B | 128 B | 128 B | 128 B | 128 B |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
اہم امتیازی خصوصیات
- Mid-range 8-bit PIC core with 5 analog inputs in 28-SPDIP (بمقابلہPIC16C711-04I/P (only 4 ADC channels))
- Integrated CCP module for PWM (بمقابلہPIC16C711-04I/P)
- Brown-Out Reset (BOR) for power-supply robustness (بمقابلہPIC16C71-04I/P (older generation))
ڈیزائن نوٹس
Place a 0.1 µF decoupling capacitor adjacent to the VDD pin (pin 20) and a 10 µF bulk capacitor on the same rail. The PIC16C72A-04I/SP Brown-Out Reset (BOR) circuit monitors VDD; ensure that the supply droop during inrush into downstream loads does not dip below 4.0 V for more than a few µs, or the BOR will reset the device unintentionally. If the design source is a 3.3 V rail, use the PIC16F72A or PIC16LF198GA low-Voltage variants instead.
The 28-SPDIP footprint places pins on a 0.100 inch (2.54 mm) pitch. Route the analog traces (RA0-RA5) away from the digital switching lines on RC0-RC7 to minimize ADC crosstalk. Place the analog AVSS/VDD pair (when used) close to the MCU with their own decoupling. According to Microchip ANs, sharing AVSS with VSS at a single star-ground point near the MCU improves 8-bit ADC noise performance.
OTP memory cannot be erased - verify the code is finalized before programming to avoid scrapped parts. The '-I' suffix indicates industrial temperature range, NOT the part is immune to ESD - follow ESD handling practices. The '04' speed grade is 4 MHz maximum; if the oscillator exceeds this (e.g., due to a wrong crystal), the chip will fail to execute instructions reliably. Use the '20' speed variant for higher-clock headroom.
تعمیل کی معلومات
RoHS and REACH status not confirmed in verified web data - marked 'unknown' pending datasheet verification. 'I' temperature range is industrial (-40 °C to +85 °C), not automotive; AEC-Q100 is not applicable.
