ADAM27P16

Ver 1.5 4-BIT SINGLE CHIP MICROCOMPUTERS ADAM27PXX USER`S MANUAL ADAM27P08 ADAM27P16 1. Overview ADAM27PXX 1. OVERVIEW The ADAM27PXX is remote control transmitter which uses CMOS technology. The ADAM27PXX is suitable for remote control of TV, VCR, FANS, Air-conditioners, Audio Equipments, Toys, Games etc. The ADAM27PXX is MTP version. 1.1. Features ■ Program memory ● 2,048 bytes (2,048 x 8bit) ● MTP(Multi Time Programming) : 1K * 2, 2K * 1 ■ Data memory (RAM) ● 32 nibble (32 x 4bit) ■ 3 levels of subroutine nesting ■ 8-bit Table Read Instruction ■ Oscillator Type (Operating frequency) ● Internal RC Oscillator (typically 3.64MHz) ■ 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 ● 1.8 ~ 3.6V ■ 8/16-SOP Package. Series Program memory Data memory I/O ports Output ports Package ADAM27P16 ADAM27P08 2,048 x 8 2,048 x 8 32 x 4 32 x 4 13 5 1 1 16SOP(150mil) 8SOP(150mil) Table 1.1 ADAM27PXX series members Page 1 of 38 ADAM27PXX 1.2. Block Diagram ROUT ADAM27 Core Watchdog Timer Carry Generator RAM (32 nibble) K0~K3 R0~R2 P0~P3 Key Scan & Input Clock Gen. & System Control VDD GND ROM (2K bytes x 1) (1K bytes x 2) Internal RC Oscillator (3.64MHz) 1. Overview K Port R Port P Port CS Port K0 ~ K3 R0 ~ R2 P0 ~ P3 CS0 ~ CS1 1.3. ...