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| HD6433832S Datasheet, PDF (147/560 Pages) Renesas Technology Corp – single-chip microcomputers | |||
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Table 8.1 Port Functions (cont)
Port Description
Pins
Port 3
Port 4
Port 5
⢠8-bit I/O port
P37/CS
⢠Input pull-up MOS
option
⢠High-current port
P36/STRB
P35/SO2
P34/SI2
P33/SCK2
P32/SO1
P31/SI1
P30/SCK1
⢠1-bit input-only port P43/IRQ0
⢠3-bit I/O port
P42/TXD
P41/RXD
P40/SCK3
⢠8-bit I/O port
⢠Input pull-up MOS
option
P57 to P50/
WKP7 to WKP0/
SEG8 to SEG1
Port 6
⢠8-bit I/O port
⢠Input pull-up MOS
option
P67 to P60/
SEG16 to SEG9
Port 7 ⢠8-bit I/O port
Port 8 ⢠8-bit I/O port
Port 9 ⢠8-bit I/O port
Port A ⢠4-bit I/O port
Port B ⢠8-bit input port
Port C ⢠4-bit input port
P77 to P70/
SEG24 to SEG17
P87 to P80/
SEG32 to SEG25
P97/SEG40/CL1
P96/SEG39/CL2
P95/SEG38/DO
P94/SEG37/M
P93 to P90/
SEG36 to SEG33
PA3 to PA0/
COM4 to COM1
PB7 to PB0/
AN7 to AN0
PC3 to PC0/
AN11 to AN8
Other Functions
SCI2 chip select input (CS), strobe
output (STRB), data output (SO2),
data input (SI2), clock input/output
(SCK2)
SCI1 data output (SO1), data input
(SI1), clock input/output (SCK1)
External interrupt 0
SCI3 data output (TXD), data input
(RXD), clock input/output (SCK3)
⢠Wakeup input (WKP7 to WKP0)
⢠Segment output (SEG8 to SEG1)
Segment output (SEG16 to SEG9)
Segment output (SEG24 to SEG17)
Segment output (SEG32 to SEG25)
⢠Segment output (SEG40 to SEG37)
⢠Latch clock (CL1), for external
segment expansion, shift clock
(CL2), display data port (DO), and
alternating signal (M)
⢠Segment output (SEG36 to SEG33)
Common output (COM4 to COM1)
A/D converter analog input
A/D converter analog input
Function
Switching
Register
PMR3
PMR3
PMR2
SCR3
SMR3
PMR5
LPCR
LPCR
LPCR
LPCR
LPCR
LPCR
AMR
AMR
132
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