Pd Port Group - Epson S1C17M20 Technical Manual

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
– – – –
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