GMS81C1102 / GMS81C1202
2. BLOCK DIAGRAM(GMS81C1202)
PSW
ALU
PC
Accumulator
Stack Pointer
Data
Memory
Program
Memory
Interrupt Controller
RESET
System controller
Data Table
System
8-bit Basic
Interval
Timer
Clock Controller
Timing generator
8-bit
A/D
Converter
8-bit
Timer/
Counter
High
Speed
PWM
Buzzer
Driver
Instruction
Decoder
Clock
Generator
Xin
Watch-dog
Timer
Xout
VDD
VSS
RA
RB
RC
Power
Supply
RA0 / EC0
RB0 / AN0 / Avref
RB1 / BUZ
RB2 / INT0
RB3 / INT1
RB4 / CMP0 / PWM
RC0
RC1
RA1 / AN1
RA2 / AN2
RA3 / AN3
RA4 / AN4
RA5 / AN5
RA6 / AN6
RA7 / AN7
3. PIN ASSIGNMENT(GMS81C1202)
20 DIP
20 SOP
1
2
3
4
5
6
7
8
9
10
20
AN4 / RA4
RA3 / AN3
RA2 / AN2
RA1 / AN1
RA0 / EC0
RC1
AN4 / RA4
RA3 / AN3
RA2 / AN2
RA1 / AN1
RA0 / EC0
RC1
1
20
19
18
17
16
15
14
13
12
11
19
18
17
16
15
14
13
12
11
AN5 / RA5
AN6 / RA6
AN7 / RA7
AN5 / RA5
AN6 / RA6
AN7 / RA7
2
3
V
DD
4
RC0
AN0 / AVref / RB0
BUZ / RB1
V
DD
V
5
SS
RESET
Xout
INT0 / RB2
AN0 / AVref / RB0
BUZ / RB1
6
RC0
INT1 / RB3
7
V
SS
Xin
PWM / COMP0 / RB4
8
INT0 / RB2
RESET
Xout
9
INT1 / RB3
10
PWM / COMP0 / RB4
Xin
2
Jan. 2002 ver 2.0
HYNIX [ HYNIX SEMICONDUCTOR ]
