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Address
Register name
PPORTP1DAT
0x0020
(P1 Port Data
0210
Register)
PPORTP1IOEN
0x0020
(P1 Port Enable
0212
Register)
PPORTP1RCTL
0x0020
(P1 Port Pull-
0214
up/down Control
Register)
PPORTP1INTF
0x0020
(P1 Port Interrupt
0216
Flag Register)
PPORTP1INTCTL
0x0020
(P1 Port Interrupt
0218
Control Register)
PPORTP1CHATEN
0x0020
(P1 Port
021a
Chattering Filter
Enable Register)
PPORTP1MODSEL
0x0020
(P1 Port Mode
021c
Select Register)
PPORTP1FNCSEL
0x0020
(P1 Port Function
021e
Select Register)
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
Bit
Bit name
15–8
P1OUT[7:0]
7–0
P1IN[7:0]
15–8
P1IEN[7:0]
7–0
P1OEN[7:0]
15–8
P1PDPU[7:0]
7–0
P1REN[7:0]
15–8
–
7–0
P1IF[7:0]
15–8
P1EDGE[7:0]
7–0
P1IE[7:0]
15–8
–
7–0
P1CHATEN[7:0]
15–8
–
7–0
P1SEL[7:0]
15–14
P17MUX[1:0]
13–12
P16MUX[1:0]
11–10
P15MUX[1:0]
9–8
P14MUX[1:0]
7–6
P13MUX[1:0]
5–4
P12MUX[1:0]
3–2
P11MUX[1:0]
1–0
P10MUX[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-9
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