16CR57S
16CR57S Technical Summary
Overview
The 16CR57S is a member of Microchip's PIC16C5X family of 8-bit microcontrollers. This CMOS-based device combines high performance with low power consumption, making it suitable for a wide range of embedded control applications. The 16CR57S features a RISC architecture with 33 single-word instructions, all of which execute in a single cycle except for program branches.
Key aspects of the 16CR57S include its 12-bit wide instructions, 8-bit wide data path, and a variety of on-chip peripherals. The device is particularly notable for its cost-effectiveness in applications requiring simple control functions with minimal external components.
Features
- High-Performance RISC CPU:
- Only 33 single-word instructions to learn
- All instructions single-cycle except for program branches
- 12-bit wide instructions, 8-bit wide data path
- Up to 1 μs instruction cycle at 4 MHz clock
- Peripheral Features:
- 8-bit real-time clock/counter (TMR0) with 8-bit prescaler
- Power-on Reset (POR)
- Device Reset Timer (DRT)
- Watchdog Timer (WDT) with its own on-chip RC oscillator
- Special Microcontroller Features:
- In-circuit serial programming capability
- Power-saving SLEEP mode
- Selectable oscillator options
- Low-power, high-speed CMOS EPROM technology
- CMOS Technology:
- Low power, high speed
- Wide operating voltage range (2.5V to 6.0V)
- Commercial, industrial, and extended temperature ranges
Applications
The 16CR57S is designed for a variety of embedded control applications, including but not limited to:
- Consumer electronics (remote controls, appliances)
- Automotive systems (sensors, small control modules)
- Industrial control (sensors, actuators, small controllers)
- Security systems
- Peripheral control devices
- Battery-powered devices
- Smart cards and low-end security devices
Electrical Characteristics
Absolute Maximum Ratings
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VDD) | -0.3V to +7.0V | V |
| Input Voltage on any pin (with respect to VSS) | -0.3V to (VDD + 0.3V) | V |
| Storage Temperature | -65°C to +150°C | °C |
| Ambient Temperature under bias | -40°C to +125°C | °C |
DC Characteristics
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Operating Voltage | 2.5 | - | 6.0 | V | - |
| Supply Current (4MHz, 5V) | - | 1.5 | 2.0 | mA | Active mode |
| Supply Current (32kHz, 3V) | - | 20 | 50 | μA | LP oscillator mode |
| Input Low Voltage | -0.3 | - | 0.15 VDD | V | - |
| Input High Voltage | 0.25 VDD | - | VDD + 0.3 | V | - |
AC Characteristics
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Instruction Cycle Time | 1 | - | 10 | μs | 4MHz operation |
| Timer0 Input Frequency | DC | - | 1/4 fosc | MHz | - |
| Reset Pulse Width | 100 | - | - | ns | - |
Package Information
The 16CR57S is available in multiple package options to suit different application requirements:
18-Pin Packages
- PDIP (Plastic Dual In-line Package):
- 300 mil body width
- Standard through-hole mounting
- Industrial temperature range (-40°C to +85°C)
- SOIC (Small Outline IC):
- 150 mil body width
- Surface mount package
- Reduced footprint for space-constrained applications
- SSOP (Shrink Small Outline Package):
