ADAM22P20

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 ■ Stop mode ■ Released stop mode by key input ■ Built in Power-on Reset circuit ■ Built in Transistor for I.R LED Drive ● IOL=250mA at VDD=3V and VO=0.3V ■ Built in Low Voltage reset circuit ■ Built in a watch dog timer (WDT) ■ Low operating voltage ● 1.2 ~ 3.6V @ ADAM22CXX ● 1.3 ~ 3.6V @ ADAM22PXX ■ 16/20/24 SOP Package. Series Program memory Data memory Input ports Output ports Package ADAM22C24 ADAM22P24 ADAM22C23 ADAM22P23 ADAM22C20 ADAM22C20S ADAM22C16 ADAM22P20 ADAM22P20S ADAM22P16 2,048 x 8 2,048 x 8 2,048 x 8 2,048 x 8 2,048 x 8 32 x 4 32 x 4 32 x 4 32 x 4 32 x 4 99997 12 12 9 9 7 24SOP(300mil) 24SOP(300mil) 20SOP(300mil) 20SOP(209mil) 16SOP(150mil) Table 1.1 ADAM22XXX series members Page 1 of 35 ADAM22XXX 1. Overview 1.2. Block Diagram REMOUT PGND ADAM22 Cor...