hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 173

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

3. Port pull-up control register 6 (PUCR6)
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.
8.6.3
Table 8.15 shows the port 6 pin functions.
Table 8.15 Port 6 Pin Functions
Pin
P6
P6
8.6.4
Table 8.16 shows the port 6 pin states in each operating mode.
Table 8.16 Port 6 Pin States
Pin
P6
P6
Note: * A high-level signal is output when the MOS pull-up is in the on state.
158
Bit
Initial value
Read/Write
7
0
7
0
/SEG
/SEG
/SEG
/SEG
16
9
16
9
Pin Functions
Pin States
to
to
PUCR6
Pin Functions and Selection Method
The pin function depends on bit PCR6n in PCR6 and bits SGS3 to SGS0 in
LPCR.
Reset
High-
impedance
R/W
SEG3 to SEGS0
7
0
Pin function
PCR6
7
PUCR6
R/W
n
Sleep
Retains
previous
state
6
0
6
PUCR6
R/W
5
0
Subsleep Standby
Retains
previous
state
P6
n
5
input pin
PUCR6
0
R/W
4
0
High-
impedance*
00**, 010*
4
PUCR6
R/W
3
0
P6
n
3
Watch
Retains
previous
state
output pin
PUCR6
1
R/W
2
0
7
to P6
2
Subactive Active
Functional Functional
PUCR6
0
R/W
is on or off. When
SEG
1
0
(n = 7 to 0)
011**, 1***
n+9
1
*: Don’t care
PUCR6
output pin
*
R/W
0
0
0