Pin Functions; Table 8.18 Port 6 Pin Functions; Table 8.19 Port 6 Pin States - Renesas H8/3847R Series Hardware Manual

Section 8 I/O Ports
3. Port Pull-Up Control Register 6 (PUCR6)
Bit 7
PUCR6
Initial value 0
Read/Write R/W
PUCR6 controls whether the MOS pull-up of each of the port 6 pins P6
a PCR6 bit is cleared to 0, setting the corresponding PUCR6 bit to 1 turns on the MOS pull-up for
the corresponding pin, while clearing the bit to 0 turns off the MOS pull-up.
Upon reset, PUCR6 is initialized to H'00.
8.7.3

Pin Functions

Table 8.18 shows the port 6 pin functions.

Table 8.18 Port 6 Pin Functions

Pin Pin Functions and Selection Method
P6 /SEG The pin function depends on bit PCR6
7 16
to P6 /SEG LPCR.
0 9
SGS3 to SGS0
8.7.4 Pin States
Table 8.19 shows the port 6 pin states in each operating mode.

Table 8.19 Port 6 Pin States

Pins Reset
P6 /SEG to High-
7 16
P6 /SEG impedance
0 9
Note: * A high-level signal is output when the MOS pull-up is in the on state.
Rev. 6.00 Aug 04, 2006 page 236 of 680
REJ09B0145-0600
6 5
PUCR6 PUCR6
7 6
0 0
R/W R/W
PCR6
n
Pin function P6
Sleep Subsleep
Retains Retains
previous previous
state state
4 3
PUCR6 PUCR6
4 3
5
0 0
R/W R/W
in PCR6 and bits SGS3 to SGS0 in
n
00**, 010*
0
input pin P6 output pin
n n
Standby Watch
High- Retains
impedance* previous
state
2 1
PUCR6 PUCR6 PUCR6
1
2
0 0
R/W R/W
to P6 is on or off. When
7 0
(n = 7 to 0)
011**, 1***
1
*
SEG output pin
n+9
*: Don't care
Subactive Active
Functional Functional
0
0
0
R/W