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