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GMS81C5108 Datasheet, PDF (11/102 Pages) Hynix Semiconductor – HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS
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GMS81C5108
6. PORT STRUCTURES
R00~R03/INT0~INT2, R03/EC0, R07/SI
Pull up
Reg.
Open Drain
Reg.
Data Reg.
Dir. Reg.
PMR<0:3,7>
MUX
INT0 ~ INT2
EC0,SI
RD
Noise
Canceller
R04/BUZ, R06/SO
Pull up
Reg.
Open Drain
Reg.
Data Reg.
BUZ,SO
Dir. Reg.
MUX
RD
R05/SCK
Pull up
Reg.
Open Drain
Reg.
Data Reg.
SCK(OUT)
Dir. Reg.
SCK(IN)_EN
MUX
SCK(IN)
RD
Noise
Canceller
Pull-up Tr.
VDD
Pin
VSS
RD
Pull-up Tr.
VDD
Pin
VSS
RD
Pull-up Tr.
VDD
Pin
VSS
RD
R10~R17/KS0~KS7
Pull up
Reg.
Open Drain
Reg.
Data Reg.
Pull-up Tr.
VDD
Dir. Reg.
Pin
KSMR<0:7>
VSS
MUX
RD
Key Scan
KS0 ~ KS7
RD
Noise
Canceller
Key Scan
Enable
R20~R23/AN0~AN3
Pull up
Reg.
Open Drain
Reg.
Data Reg.
Dir. Reg.
MUX
RD
A/D converter
AN0 ~ AN3
A/D Enable
channel select
Pull-up Tr.
VDD
Pin
VSS
RD
8
JUNE 2001 Ver 1.0
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