S3C72B5 Samsung semiconductor, S3C72B5 Datasheet - Page 8

• Manufacturer Part Number: S3C72B5
• Description: The S3C72B5/C72B7/C72B9 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core/ SAM47 (Samsung A
• Manufacturer: Samsung semiconductor

PRODUCT OVERVIEW
BLOCK DIAGRAM
1-8
TCLO0/CL/P3.0
SEG75-SEG72/
SEG71-SEG68/
SEG67-SEG64/
SEG63-SEG60/
SEG59-SEG56/
SEG55-SEG52/
SEG51-SEG48/
SEG79/K4/P6.0
SEG78/K5/P6.1
SEG77/K6/P6.2
SEG76/K7/P6.3
SCK /K0/P0.0
BUZ/K3/P0.3
LCDFR/P2.1
TCLO1/P3.1
P10.0–P10.3
P11.0–P11.3
P12.0–P12.3
P13.0–P13.3
SO/K1/P0.1
CLO1/P2.2
CLO2/P2.3
TCL0/P3.2
TCL1/P3.3
SI/K2/P0.2
INT0/P1.0
INT1/P1.1
INT2/P1.2
INT4/P1.3
CIN0/P4.0
CIN1/P4.1
CIN2/P4.2
P8.0–P8.3
P9.0–P9.3
P7.0-P7.3
M/P2.0
INPUT PORT 1
I/O PORT 0
I/O PORT 4
I/O PORT 6
I/O PORT 7
I/O PORT 8
I/O PORT 9
I/O PORT 10
I/O PORT 11
I/O PORT 12
I/O PORT 13
I/O PORT 2
I/O PORT 3
Figure 1-1. S3C72B5/C72B7/C72B9 Simplified Block Diagram
INTERRUPTS
INTERRUPT
CONTROL
INTERNAL
BLOCK
INSTRUCTION DECODER
RESET
3,584 x 4-BIT
MEMORY
ARITHMETIC
LOGIC UNIT
DATA
AND
XTin
Xin
CLOCK
XTout
Xout
16/24/32 KBYTE
PROGRAM
MEMORY
PROGRAM
COUNTER
PROGRAM
POINTER
STATUS
STACK
WORD
FLAGS
COMPARATOR
CONTROLLER
S3C72B5/C72B7/C72B9/P72B9
COUNTER0
COUNTER1
EXPANDER
SEGMENT
SERIAL I/O
DRIVER/
WATCH
TIMER/
TIMER/
TIMER
TIMER
BASIC
16-BIT
8-BIT
LCD
WATCH-DOG
8-BIT TIMER/
COUNTER1A
8-BIT TIMER/
COUNTER1B
M/P2.0
LCDFR/P2.1
CL/P3.0/TCLO0
VLC1-VLC5
COM0-COM7
COM8-COM15/
SEG87-SEG80
SEG0-SEG47
SEG48-SEG79/
PORT13-PORT6
P0.0 / SCK /K0
P0.1 / SO/K1
P0.2 / SI/K2
TIMER