July 20, 2009 Ver 0.3
4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM26PXX
USER`S MANUAL
• ADAM26P16 • ADAM26P20 • ADAM26P20S • AD...
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...