GMS81C1404 Datasheet, PDF (12/93 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS81C1404/GMS81C1408
• RB1/BUZ, RB4/PWM0/COMP0, RB5/PWM1/COMP1, RB7/TMR2OV, RC6/SOUT
PWM/COMP
BUZ,TMR2OV,SOUT
Data Reg.
1
Data Bus
0
Function
Select
Data Bus
Direction Reg.
Data Bus
Read
V_DD
V_SS
• RB2/INT0, RB3/INT1, RD0/INT2, RD1/INT3
Pull-up
Select
Data Bus
Function
Select
Data Bus
Data Bus
INT0, INT1
INT2, INT3
Data Reg.
Direction Reg.
Read
Weak Pull-up
V_DD
V_SS
Schmitt Trigger
• RB6/EC1
Data Bus
Data Bus
Data Bus
Data Reg.
Direction Reg.
Read
EC1
10
June. 2001 Ver 1.2