ADAM40P2728

December 29, 2009 Ver 0.3 4-BIT SINGLE CHIP MICROCOMPUTERS ADAM40X272X USER`S MANUAL ADAM40S2728 ADAM40S2724 ADAM40P2728 ADAM40P2724 1. Overview ADAM40X272X 1. OVERVIEW The ADAM40X272X is the high speed and low voltage operating 4-bit single chip microcomputer. This chip contains ADAM40 core, ROM, RAM, input/output ports , two timer/counters, etc. The ADAM40P272X is MTP version and the ADAM40S272X is Masked ROM version. 1.1. Features ■ Instruction Execution Time ● 3us @ Xin=4MHz ■ Program Memory ● 48K Bytes (24,576 x 16bit) [ Multi-programmable by 16K-Byte or 24K-Byte in MTP Version ] ■ Data Memory (RAM) ● 256 nibble (256 x 4bit) ■ 16-Bit Table read Instruction. ■ Timer ● Timer / Counter : 8Bit * 2ch ● Carrier Generator : 6Bit * 1ch ● Watch Dog Timer : 17Bit * 1ch ■ Oscillator Type ● Crystal ● Ceramic Resonator ■ Power On Reset ■ Power Saving Operation Modes ● STOP ■ 3 Interrupt source ■ Operating Voltage Range ● 1.8V ~ 3.6 V @ 4MHz for ADAM40P2728, ADAM40P2724 ● 1.2V ~ 3.6 V @ 4MHz for ADAM40S2728, ADAM40S2724 ■ Low Voltage Detection Circuit ■ Package ● 24SOP / 28SOP Series ADAM40P2728 ADAM40S2728 ADAM40P2724 ADAM40S2724 Program memory Data memory I/O ports Input ports Output ports Package 24,576 x 16 (24KB*2, 16KB*3) 256 x 4 8 5 13 28SOP 24,576 x 16 256 x 4 8 5 13 28SOP 24,576 x 16 (24KB*2, 16KB*3) 256 x 4 8 5 9 24SOP Table 1.1 ADAM40X272X series members 24,576 x 16 256 x 4 8 5 9 24SOP Page 1 of 63 ADAM40X272X 1.2. Pin Assignments ( top view ) 1. Ov...