ADAM26P20T

July 20, 2009 Ver 0.3 4-BIT SINGLE CHIP MICROCOMPUTERS ADAM26PXX USER`S MANUAL ADAM26P16 ADAM26P20 ADAM26P20S ADAM26P20T ADAM26P23 ADAM26P24 ETACHIPS Co., Ltd. 1. Overview ADAM26PXX 1. OVERVIEW The ADAM26PXX is remote control transmitter which uses CMOS technology. The ADAM26PXX is suitable for remote control of TV, VCR, FANS, Air-conditioners, Audio Equipments, Toys, Games etc. The ADAM26PXX is MTP version. 1.1. Features ■ Program memory (MTP) ● 2,048 bytes (2,048 x 8bit) ● MTP (Multi Time programming) : 1K * 4, 2K * 2 ■ 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 ● 1.3 ~ 3.6V @ ADAM26PXX ■ 16/20/24-SOP, 20-TSSOP Package. Series ADAM26P24 Program memory Data memory Input ports I/O ports Output ports 2,048 x 8 32 x 4 7 2 12 Package 24SOP(300mil) ADAM26P23 2,048 x 8 32 x 4 7 2 12 24SOP(300mil) ADAM26P20 ADAM26P20S ADAM26P20T 2,048 x 8 32 x 4 7 2 9 20SOP(300mil) 20SOP (209mil) 20TSSOP(4.4mm) Table 1.1 ADAM26PXX series members ADAM26P16 2,048 x 8 32 x 4 5 2 7 16SOP(150mil) Page 1 of 36 ADAM26PXX 1.2. Block Diagram REMOUT PGND K R OSC1 OSC2 ADAM26 Core Watchdog Timer Carry Generator RAM (32 nibble) Key S...