Block Diagram - Samsung KS57C2308 Manual

KS57C2308/P2308/C2316/P2316

BLOCK DIAGRAM

INT0, INT1,INT2
P1.3/TCL0
8-Bit Timer/
Counter 0
P2.0/TCLO0
P4.0-P4.3
I/O Port 3
P5.0-P5.3
I/O Port 4
P6.0-P6.3/
I/O Port 6
KS0-KS3
P7.0-P7.3/
I/O Port 7
KS4-KS7
P8.0-P8.7/
I/O Port 8
SEG24-SEG31
X IN
RESET
XT IN
Interrupt
Control
Block
Internal
Interrupts
Instruction Decoder
Arithmetic and Logic Unit
512 x 4-Bit
Data
Memory
Figure 1-1. KS57C2308/C2316 Simplified Block Diagram
Watch-Dog Basic
Timer Timer
X OUT
XT OUT
Instruction
Register
Clock
4-Bit
Accumulator
Program
Counter
Program
Status Word
FLAGS
Stack
Pointer
8/16-Kbyte
Program
Memory
PRODUCT OVERVIEW
Watch
P2.3/BUZ
Timer
BIAS
VLC0-VLC2
LCDCK/P3.0
LCDSY/P3.1
LCD Drive/
COM0-COM3
Controller
SEG0-SEG23
P8.0-P8.7/
SEG24-SEG31
P0.0/INT4
P0.1/SCK
I/O Port 0
P0.2/SO
P0.3/SI
P1.0/INT0
P1.1/INT1
Input Port 1
P1.2/INT2
P1.3/TCL0
P2.0/TCLO0
P2.1
I/O Port 2
P2.2/CLO
P2.3/BUZ
P3.0/LCDCK
P3.1/LCDSY
I/O Port 3
P3.2
P3.3
Serial I/O
Port
P0.1 P0.2 P0.3
/SCK /SO /SI
1-3