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HMS81C2020AK 데이터 시트보기 (PDF) - Unspecified
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HMS81C2020AK
CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver
Unspecified
HMS81C2020AK Datasheet PDF : 107 Pages
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6. PORT STRUCTURES
R41~R43, R50~R52, R57
Data Reg.
V
DD
Pull-up
Tr.
V
DD
Mask
Option
Dir.
Reg.
Pin
VSS
Rd
R00/INT0, R01/INT1, R02/EC0
Selection
Data Reg.
Dir.
Reg.
Rd
V
DD
Mask
Option
Pin
Vdisp
EX) INT0
Alternate Function
R40/T0O
Secondary
Function
Selection
MUX
Data Reg.
Direction
Reg.
V
DD
Pull-up
Tr.
V
DD
Mask
Option
Pin
V
SS
HMS81C2012A/2020A
R53/SCLK
SCLK Output
Data Reg.
Selection
MUX
N-MOS
Open Drain Select
V
DD
Pull-up
Tr.
V
DD
Mask
Option
Direction
Reg.
Rd
Pin
V
SS
SCLK Input
R54/SIN
Selection
N-MOS
Open Drain Select
Data Reg.
Direction
Reg.
Rd
V
DD
Pull-up
Tr.
Mask
V
DD
Option
Pin
V
SS
SIN Input
Rd
SEP. 2004 Ver 2.00
11
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