6.7.6 Pd Port Group
The Pd0–Pd2 ports are configured as a debugging function port at initialization. The Pd port group supports the
GPIO functions. The GPIO function of the Pd2 port supports output only, therefore, the pull-up/down function can-
not be used.
Register name
Bit
PDDAT
15–13 –
(Pd Port Data
12
Register)
11
10
9
8
7–5 –
4
3
2
1
0
PDIOEN
15–13 –
(Pd Port Enable
12
Register)
11
10
9
8
7–5 –
4
3
2
1
0
PDRCTL
15–13 –
(Pd Port Pull-up/down
12
Control Register)
11
10
9
8
7–5 –
4
3
2
1
0
PDINTF
15–0 –
PDINTCTL
PDCHATEN
PDMODSEL
15–8 –
(Pd Port Mode Select
7–5 –
Register)
4
3
2
1
0
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
Table 6.7.6.1 Control Registers for Pd Port Group
Bit name
Initial
0x0
PDOUT4
0
PDOUT3
0
PDOUT2
0
PDOUT1
0
PDOUT0
0
0
PDIN4
X
PDIN3
X
–
0
PDIN1
X
PDIN0
X
0x0
PDIEN4
0
PDIEN3
0
(reserved)
0
PDIEN1
0
PDIEN0
0
0
PDOEN4
0
PDOEN3
0
PDOEN2
0
PDOEN1
0
PDOEN0
0
0x0
PDPDPU4
0
PDPDPU3
0
(reserved)
0
PDPDPU1
0
PDPDPU0
0
0
PDREN4
0
PDREN3
0
(reserved)
0
PDREN1
0
PDREN0
0
0x0000
0x00
0
PDSEL4
0
PDSEL3
0
PDSEL2
1
PDSEL1
1
PDSEL0
1
Seiko Epson Corporation
Reset
R/W
Remarks
–
R
–
H0
R/W
–
H0
R/W
H0
R/W
H0
R/W
H0
R/W
–
R
–
H0
R
–
H0
R
–
R
H0
R
H0
R
–
R
–
H0
R/W
–
H0
R/W
H0
R/W
H0
R/W
H0
R/W
–
R
–
H0
R/W
–
H0
R/W
H0
R/W
H0
R/W
H0
R/W
–
R
–
H0
R/W
–
H0
R/W
H0
R/W
H0
R/W
H0
R/W
–
R
–
H0
R/W
–
H0
R/W
H0
R/W
H0
R/W
H0
R/W
–
R
–
–
R
–
–
R
–
H0
R/W
–
H0
R/W
H0
R/W
H0
R/W
H0
R/W
6 I/O PORTS (PPORT)
M20/M23 M21/
M22/
24pin 32pin
M24
M25
–
–
–
–
–
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
✓
✓
✓
–
✓
✓
✓
–
–
–
–
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
–
–
–
–
–
–
–
–
–
–
–
–
–
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
6-23