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