ADAM41P2721

September 26, 2012 Ver 0.6 4-BIT SINGLE CHIP MICROCOMPUTERS ADAM41P272X USER`S MANUAL ADAM41P2727 (Including I.R. LED Drive Tr.) ADAM41P2723 (Including I.R. LED Drive Tr.).) ADAM41P2721 (Including I.R. LED Drive Tr.) ADAM41P2728 (Excluding I.R. LED Drive Tr.) ADAM41P2724 (Excluding I.R. LED Drive Tr.) ADAM41P2720 (Excluding I.R. LED Drive Tr.) Free Datasheet http://www.datasheet4u.com/ ADAM41P272X 1. OVERVIEW 1. Overview The ADAM41P272X is the high speed and low voltage operating 4-bit single chip microcomputer. This chip contains ADAM41 core, ROM, RAM, input/output ports , two timer/counters, etc. The ADAM41P272X is MTP version. 1.1. Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Instruction Execution Time @ fosc=4MHz Program Memory (MTP) ● 48K Bytes (24,576 x 16bit) [ Multi-programmable by 16K-Byte or 24K-Byte ] Data Memory (RAM) ● 256 nibble (256 x 4bit) 16-Bit Table read Instruction. 8-Level Stack (Including Interrupts) Timer ● Timer / Counter : 8Bit * 2ch ● Carrier Generator : 6Bit * 1ch ● Watch Dog Timer : 19Bit * 1ch Oscillator Type ● Calibrated Internal RCOSC Only : typ. 4MHz (±2%) Built in Tr. for I.R. LED Drive in the ADAM41P2727/2723/2721 ● IOL = 250mA at VDD=3V and VO=0.3V Power On Reset Power Saving Operation Modes ● STOP 3 Interrupt source Operating Voltage Range ● 1.8V ~ 3.6V @4MHz Low Voltage Detection Circuit Voltage Detection Indicator Circuit : 2-Level [ 2.5V(±0.2V) / 2.1V(±0.2V) ] Package ● 20SOP/ 24SOP / 28SOP / 28TSSOP ● 1us Table 1.1 A...