Document
September 26, 2012 Ver 0.6
4-BIT SINGLE CHIP MICROCOMPUTERS
ADAM41P272X
USER`S MANUAL
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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
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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 ADAM41P272X series members
Series Program memory Data memory I/O ports Input ports Output ports Package ADAM41P2727 ADAM41P2728 24,576 x 16 256 x 4 8 4 14 28SOP/TSSOP ADAM41P2723 ADAM41P2724 24,576 x 16 256 x 4 8 4 10 24SOP ADAM41P2721 ADAM41P2720 24,576 x 16 256 x 4 7 4 7 20SOP
Page 1 of 54
Free Datasheet http://www.datasheet4u.com/
1. Overview
1.2. Pin Assignments ( top view )
ADAM41P272X
GND [SCK] PE2 PE3 PA0 PA1 PA2 PA3 PB0/INT PB1 PB2/T0 PB3/T1 PC0 PD0 PD1
1 28 2 27 3 26 4 25 24 5 6 ADAM41P2727 23 7 ADAM41P2728 22 21 8 (28 SOP) 9 (28 TSSOP) 20 19 10 18 11 17 12 16 13 15 14
VDD ROUT R00 R01 R02 R03 [VPP] R10 R11 R12 [SDA] R13 PC2 PC1 PD3 PD2
GND [SCK] PE2 PE3 PA0 PA1 PA2 PA3 PB0/INT PB1 PB2/T0 PB3/T1 PC0
1 24 2 23 3 22 4 21 20 5 ADAM41P2723 19 6 ADAM41P2724 18 7 (24 SOP) 17 8 16 9 15 10 14 11 13 12
VDD ROUT R00 R01 R02 R03 [VPP] R10 R11 R12 [SDA] R13 PC2 PC1
GND [SCK] PE2 PA0 PA1 PA2 PA3 PB0/INT PB1 PB2/T0 PC0
1 20 2 19 3 18 4 ADAM41P2721 17 5 ADAM41P2720 16 15 6 14 7 (20 SOP) 13 8 12 9 11 10
VDD ROUT R00 R01 R02 R03 [VPP] R10 R11 R12 [SDA] R13
Page 2 of 54
Free Datasheet http://www.datasheet4u.com/
ADAM41P272X
1.3. Block Diagram
1. Overview
ADAM41 CORE R0 Port
R00 ~ R03
Watch Dog Timer
R1 Port
R10 ~ R13
ROUT PB2 / T0 PB3 / T1
Timer & Carry Generator
PA Port
RAM (256nibble) PB Port
PA0 ~ PA3
PB0 ~ PB3
PB0 / INT
Interrupt Request
R00~R03 R10~R13 PB0~PB3
Key Scan & Input
ROM
PC Port
PC0 ~ PC2
PD Port Clock Gen. & System Control Internal RC O.