General Description

These devices provide a combination of a fully featured MCU plus an RF transmitter function, giving them great flexibility for use in wide range of wireless I/O control applications such as industrial control, consumer products, subsystem controllers, etc.

Features

MCU Features

MCU Operating voltage:

fSYS= 4MHz: 2.2V~3.6V

fSYS= 8MHz: 3.0V~3.6V

Power Down modes and wake-up functions to reduce power consumption

Oscillator types

-External high frequency Crystal

-External RC

-Internal RC

-External low frequency crystal

-Watchdog Timer Internal RC Oscillator

Three operational modes: Normal, Slow, Sleep

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

OTP Program Memory: 1K15

RAM Data Memory: 968

Watchdog Timer function

All instructions executed in one or two instruction cycles

Table read instructions

63 powerful instructions

6-level subroutine nesting

Bit manipulation instruction

Low voltage reset function

16-pin NSOP package type

Up to 8 bidirectional I/O lines

4 channel 12-bit ADC

1 channel 8-bit PWM

External interrupt input shared with an I/O line

Two 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler

Time-Base function

Programmable Frequency Divider - PFD

RF Transmitter Features

Complete UHF ASK/OOK transmitter

Frequency range 300MHz to 450MHz

Data rates more than 10k bps

Output Power up to 10dBm

Low voltage operation - down to 2.2V

Data tracking function for power saving

Reference clock output for MCU IRC clock synchronisation