GMS81C1102 Datasheet, PDF (12/89 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

• RB1/BUZ, RB4/PWM0/COMP
PWM/COMP
BUZ
Data Reg.
1
Data Bus
0
Function
Select
Data Bus
Direction Reg.
Data Bus
Read
• RB2/INT0, RB3/INT1
Pull-up
Select
Data Bus
Function
Select
Data Bus
INT0
INT1
Data Bus
Data Reg.
Direction Reg.
Read
• RC0, RC1
Data Bus
Data Bus
Data Bus
Data Reg.
Direction Reg.
Read
GMS81C1102 / GMS81C1202
V_DD
VSS
Weak Pull-up
V_DD
V_SS
Schmitt Trigger
V_DD
V_SS
Jan. 2002 ver 2.0
9