April 30, 2008 Ver 0.
0
4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM22XXX
USER`S MANUAL
• ADAM22C16 • ADAM22P16 • ADAM22C20 • ADAM22P20 • ADAM22C20S • ADAM22P20S • ADAM22C23 • ADAM22P23 • ADAM22C24 • ADAM22P24
1.
Overview
ADAM22XXX
1.
OVERVIEW
The ADAM22XXX is remote control transmitter which uses
CMOS technology.
The ADAM22XXX is suitable for remote control of TV, VCR, FANS, Air-conditioners, Audio Equipments, Toys, Games etc.
The ADAM22CXX is MASK version and the ADAM22PXX is OTP version.
1.
1.
Features
■ Program memory ● 2,048 bytes (2,048 x 8bit)
■ Data memory (RAM) ● 32 nibble (32 x 4bit)
■ 3 levels of subroutine nesting ■ Operating frequency
● 2.
4MHz ~ 4MHz ■ Instruction cycle
● fOSC/48 ■ St...