General Description

The Enhanced A/D Type with LCD is a 8-bit high performance, RISC architecture microcontroller specifcally designed for applications that interface directly to analog signals and which require an LCD interface. The device includes an integrated multi-channel Analog to Digital Converter, Pulse Width Modulation outputs and an LCD driver.

Features

CPU Features

● Operating voltage:

fSYS=4MHz: 2.2V−5.5V

fSYS=8MHz: 3.0V−5.5V

fSYS=12MHz: 4.5V−5.5V

● Up to 0.5μs instruction cycle with 8MHz system clock at VDD=5V

● Power down and wake-up functions to reduce power consumption

● Oscillator types:

External Crystal -- HXT

External RC -- ERC

External 32768Hz Crystal -- LXT

Internal RC -- HIRC

Internal 32kHz RC -- LIRC

● Multi-mode operation: NORMAL, SLOW, IDLE and 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 6-level stack

● Bit manipulation instruction

Peripheral Features

● Up to 42 bidirectional I/O lines

● Up to 12 channel 12-bit ADC

● Up to 2 channel 8-bit PWM

● Data Memory: 224×8

● Program Memory: 4k×16

● Watchdog Timer function

● 4 pin-shared external interrupts

● Up to two 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler

● Low voltage reset function

● Low voltage detect function

● Time Base functions

● Buzzer function

● Package: 44QFP