S3C72N4 Samsung semiconductor, S3C72N4 Datasheet - Page 3

• Manufacturer Part Number: S3C72N4
• Description: The S3C72N2/C72N4 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core/ SAM47 (Samsung Arrange
• Manufacturer: Samsung semiconductor

S3C72N2/C72N4/P72N4
BLOCK DIAGRAM
SEG24-SEG31
P2.0/TCLO0
P1.3/TCL0
P6.0-P6.3/
P8.0-P8.7
KS0-KS3
Output Port 8
8-Bit Timer/
I/O Port 6
INT0, INT1, INT2
Counter0
Figure 1-1. S3C72N2/C72N4 Simplified Block Diagram
Interrupt
Control
Data Memory
Interrupts
Instruction Decoder
Block
Internal
288 x 4-Bit
RESET
Arithmetic
Logic Unit
and
Watchdog
Timer
XTin
Xin
Interrupt
Control
Block
XTout
Xout
Timer
Basic
2/4 KByte
Program
Memory
Instruction
Program
Program
Register
Counter
Pointer
Status
Stack
Word
Watch
Timer
Controller
I/O Port 2
I/O Port 3
P2.3/BUZ
Driver/
Port 1
Input
LCD
PRODUCT OVERVIEW
BIAS
VLC0-VLC2
LCDCK/P3.0
LCDSY/P3.1
COM0-COM3
SEG0-SEG23
P8.0-P8.7/
SEG24-SEG31
P1.0/INT0
P1.1/INT1
P1.2/INT2
P1.3/TCL0
P2.0/TCLO0
P2.1
P2.2/CLO
P2.3/BUZ
P3.0/LCDCK
P3.1/LCDSY
P3.2
P3.3
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