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HD6473887 Datasheet, PDF (181/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer
8.8.3 Pin Functions
Table 8-21 shows the port 7 pin functions.
Table 8-21 Port 7 Pin Functions
Pin
P77/SEG24
to P70/SEG17
Pin Functions and Selection Method
The pin function depends on bit PCR7n in PCR7 and bits SGS3 to SGS0 in
LPCR.
(n = 7 to 0)
SGS3 to SGS0
PCR7n
Pin function
00**
0
1
P7n input pin P7n output pin
01**, 1***
*
SEGn+17 output pin
*: Don’t care
8.8.4 Pin States
Table 8-22 shows the port 7 pin states in each operating mode.
Table 8-22 Port 7 Pin States
Pins
P77/SEG24
to
P70/SEG17
Reset
Sleep
High-
Retains
impedance previous
state
Subsleep
Retains
previous
state
Standby
High-
impedance
Watch
Retains
previous
state
Subactive Active
Functional Functional
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