General Description

These TinyPowerTM A/D Type 8-bit high performance RISC architecture microcontrollers are specifically, designed for applications that interface directly to analog signals. The devices include an integrated multi-channel Analog to Digital Converter, Pulse Width Modulation and and DAC outputs.

Features

CPU Features

• Operating voltage:

fSYS= 32768Hz: 2.2V~5.5V

fSYS= 4MHz: 2.2V~5.5V

fSYS= 8MHz: 3.0V~5.5V

fSYS= 12MHz: 4.5V~5.5V

• Up to 0.33μs instruction cycle with 12MHz system clock at VDD= 5V

• Idle/Sleep mode and wake-up functions to reduce power consumption

• Oscillator types:

External 32768Hz Crystal -- LXT

External RC -- ERC

Internal 4/8/12MHz RC -- HIRC

External high frequency crystal -- HXT

Internal 32kHz RC -- LIRC

• Four operational modes: Normal, Slow, Idle, Sleep

• Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components

• All instructions executed in one or two instruction cycles

• Table read instructions

• 63 powerful instructions

• Up to 12-level subroutine nesting

• Bit manipulation instruction

Peripheral Features

• OTP Program Memory: 2Kx14 ~ 32Kx16

• RAM Data Memory: 128x8 ~ 2304x8 Bits

• Watchdog Timer function

• Up to 50 bidirectional I/O lines

• 8 channel 12-bit ADC

• Up to 4 channel 12-bit PWM

• Software controlled 4-SCOM lines LCD driver with 1/2 bias

• Multiple pin-shared external interrupts

• Up to three 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler

• Up to one 16-bit programmable Timer/Event Counter with overflow interrupt

• Serial Interfaces Module - SIM for SPI or I2C

• Time-Base functions

• Low voltage reset function

• Low voltage detect function

• PFD/Buzzer for audio frequency generation

• 12-bit Audio DAC output

• Wide range of available package types