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HD6433832S Datasheet, PDF (182/560 Pages) Renesas Technology Corp – single-chip microcomputers
8.9.3 Pin Functions
Table 8.24 shows the port 8 pin functions.
Table 8.24 Port 8 Pin Functions
Pin
P87/SEG32 to
P84/SEG29
Pin Functions and Selection Method
The pin function depends on bit PCR8n in PCR8 and bits SGS3 to SGS0 in
LPCR.
(n = 7 to 4)
SGS3 to SGS0
000*
001*, 01** or 1***
PCR8n
0
1
*
Pin function
P8n input pin P8n output pin
SEGn+25 output pin
P83/SEG28 to
P80/SEG25
The pin function depends on bit PCR8n in PCR8 and bits SGS3 to SGS0 in
LPCR.
(n = 3 to 0)
SGS3 to SGS0
000* or 0010
0011, 01** or 1***
PCR8n
0
1
*
Pin function
P8n input pin P8n output pin
SEGn+25 output pin
Note: * Don’t care
8.9.4 Pin States
Table 8.25 shows the port 8 pin states in each operating mode.
Table 8.25 Port 8 Pin States
Pins
P87/SEG32 to
P80/SEG25
Reset
Sleep
High-
Retains
impedance previous
state
Subsleep Standby
Retains
previous
state
High-
impedance
Watch Subactive Active
Retains Functional Functional
previous
state
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