December 29, 2009 Ver 0.3
4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM40X272X
USER`S MANUAL
• ADAM40S2728 • ADAM40S2724 • ADAM4...
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...