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Address
Register name
UPMUXP1MUX2
0x0020
(P14–15 Universal
030c
Port Multiplexer
Setting Register)
UPMUXP1MUX3
0x0020
(P16–17 Universal
030e
Port Multiplexer
Setting Register)
UPMUXP2MUX0
0x0020
(P20–21 Universal
0310
Port Multiplexer
Setting Register)
UPMUXP2MUX1
0x0020
(P22–23 Universal
0312
Port Multiplexer
Setting Register)
UPMUXP2MUX2
0x0020
(P24–25 Universal
0314
Port Multiplexer
Setting Register)
UPMUXP2MUX3
0x0020
(P26–27 Universal
0316
Port Multiplexer
Setting Register)
UPMUXP3MUX0
0x0020
(P30–31 Universal
0318
Port Multiplexer
Setting Register)
UPMUXP3MUX1
0x0020
(P32–33 Universal
031a
Port Multiplexer
Setting Register)
B-22
Bit
Bit name
15–13
P15PPFNC[2:0]
12–11
P15PERICH[1:0]
10–8
P15PERISEL[2:0]
7–5
P14PPFNC[2:0]
4–3
P14PERICH[1:0]
2–0
P14PERISEL[2:0]
15–13
P17PPFNC[2:0]
12–11
P17PERICH[1:0]
10–8
P17PERISEL[2:0]
7–5
P16PPFNC[2:0]
4–3
P16PERICH[1:0]
2–0
P16PERISEL[2:0]
15–13
P21PPFNC[2:0]
12–11
P21PERICH[1:0]
10–8
P21PERISEL[2:0]
7–5
P20PPFNC[2:0]
4–3
P20PERICH[1:0]
2–0
P20PERISEL[2:0]
15–13
P23PPFNC[2:0]
12–11
P23PERICH[1:0]
10–8
P23PERISEL[2:0]
7–5
P22PPFNC[2:0]
4–3
P22PERICH[1:0]
2–0
P22PERISEL[2:0]
15–13
P25PPFNC[2:0]
12–11
P25PERICH[1:0]
10–8
P25PERISEL[2:0]
7–5
P24PPFNC[2:0]
4–3
P24PERICH[1:0]
2–0
P24PERISEL[2:0]
15–13
P27PPFNC[2:0]
12–11
P27PERICH[1:0]
10–8
P27PERISEL[2:0]
7–5
P26PPFNC[2:0]
4–3
P26PERICH[1:0]
2–0
P26PERISEL[2:0]
15–13
P31PPFNC[2:0]
12–11
P31PERICH[1:0]
10–8
P31PERISEL[2:0]
7–5
P30PPFNC[2:0]
4–3
P30PERICH[1:0]
2–0
P30PERISEL[2:0]
15–13
P33PPFNC[2:0]
12–11
P33PERICH[1:0]
10–8
P33PERISEL[2:0]
7–5
P32PPFNC[2:0]
4–3
P32PERICH[1:0]
2–0
P32PERISEL[2:0]
Seiko Epson Corporation
Initial
Reset
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
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
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
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
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
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
S1C31D50 TECHNICAL MANUAL
Remarks
–
–
–
–
–
–
–
(Rev. 1.00)
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