28/40-Pin, 8-Bit CMOS ROM Microcontrollers

High-Performance RISC CPU:

• High-performance RISC CPU

• Only 35 single-word instructions to learn

• All single-cycle instructions except for program branches which are two-cycle

• Operating speed: DC – 20 MHz clock input

DC – 200 ns instruction cycle

• Up to 8K x 14 words of ROM Program Memory, Up to 368 x 8 bytes of Data Memory (RAM)

• Function compatible to the PIC16F73/74/76/77

• Pinout compatible to the PIC16F873/874/876/877

• Interrupt capability (up to 12 sources)

• Eight-level deep hardware stack

• Direct, Indirect and Relative Addressing modes

• Processor read access to program memory

Special Microcontroller Features:

• Power-on Reset (POR)

• Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)

• Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation

• Power-Saving Sleep mode

• Selectable oscillator options

Peripheral Features:

• Timer0: 8-bit timer/counter with 8-bit prescaler

• Timer1: 16-bit timer/counter with prescaler, can be incremented during Sleep via external crystal/clock

• Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler

• Two Capture, Compare, PWM modules:

- Capture is 16-bit, max. resolution is 12.5 ns

- Compare is 16-bit, max. resolution is 200 ns

- PWM max. resolution is 10-bit

• 8-bit, up to 8-channel Analog-to-Digital converter

• Synchronous Serial Port (SSP) with SPI (Master mode) and I2C™ (Slave)

• Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI)

• Parallel Slave Port (PSP), 8-bits wide with external RD, WR and CS controls (40/44-pin only)

• Brown-out detection circuitry for Brown-out Reset (BOR)

CMOS Technology:

• Low-power, high-speed CMOS ROM technology

• Fully static design

• Wide operating voltage range: 2.0V to 5.5V

• High Sink/Source Current: 25 mA

• Industrial temperature range

• Low power consumption:

- < 2 mA typical @ 5V, 4 MHz – TBD

- 20 μA typical @ 3V, 32 kHz – TBD

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