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Address
Register name
PPORTP3DAT
0x0020
(P3 Port Data
0230
Register)
PPORTP3IOEN
0x0020
(P3 Port Enable
0232
Register)
PPORTP3RCTL
0x0020
(P3 Port Pull-
0234
up/down Control
Register)
PPORTP3INTF
0x0020
(P3 Port Interrupt
0236
Flag Register)
PPORTP3INTCTL
0x0020
(P3 Port Interrupt
0238
Control Register)
PPORTP3CHATEN
0x0020
(P3 Port
023a
Chattering Filter
Enable Register)
PPORTP3MODSEL
0x0020
(P3 Port Mode
023c
Select Register)
PPORTP3FNCSEL
0x0020
(P3 Port Function
023e
Select Register)
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
Bit
Bit name
15–8
P3OUT[7:0]
7–0
P3IN[7:0]
15–8
P3IEN[7:0]
7–0
P3OEN[7:0]
15–8
P3PDPU[7:0]
7–0
P3REN[7:0]
15–8
–
7–0
P3IF[7:0]
15–8
P3EDGE[7:0]
7–0
P3IE[7:0]
15–8
–
7–0
P3CHATEN[7:0]
15–8
–
7–0
P3SEL[7:0]
15–14
P37MUX[1:0]
13–12
P36MUX[1:0]
11–10
P35MUX[1:0]
9–8
P34MUX[1:0]
7–6
P33MUX[1:0]
5–4
P33MUX[1:0]
3–2
P31MUX[1:0]
1–0
P30MUX[1:0]
Seiko Epson Corporation
Initial
Reset
R/W
0x00
H0
R/W
0x00
H0
R
0x00
H0
R/W
0x00
H0
R/W
0x00
H0
R/W
0x00
H0
R/W
0x00
–
R
0x00
H0
R/W
0x00
H0
R/W
0x00
H0
R/W
0x00
–
R
0x00
H0
R/W
0x00
–
R
0x00
H0
R/W
0x0
H0
R/W
0x0
H0
R/W
0x0
H0
R/W
0x0
H0
R/W
0x0
H0
R/W
0x0
H0
R/W
0x0
H0
R/W
0x0
H0
R/W
Remarks
–
–
–
–
Cleared by writing 1.
–
–
–
–
B-11
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