Epson S1C31D50 Technical Manual page 110

7 I/O PORTS (PPORT)
Register name Bit
P8INTF 15–8 –
(P8 Port Interrupt
7
Flag Register)
6
5
4
3
2
1
0
P8INTCTL 15
(P8 Port Interrupt
14
Control Register)
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P8CHATEN 15–8 –
(P8 Port Chattering
7
Filter Enable Register)
6
5
4
3
2
1
0
P8MODSEL 15–8 –
(P8 Port Mode Select
7
Register)
6
5
4
3
2
1
0
P8FNCSEL 15–14 P87MUX[1:0]
(P8 Port Function
13–12 P86MUX[1:0]
Select Register)
11–10 P85MUX[1:0]
9–8 P84MUX[1:0]
7–6 P83MUX[1:0]
5–4 P82MUX[1:0]
3–2 P81MUX[1:0]
1–0 P80MUX[1:0]
7-32
Bit name Initial
0x00
P8IF7 0
P8IF6 0
P8IF5 0
P8IF4 0
P8IF3 0
P8IF2 0
P8IF1 0
P8IF0 0
P8EDGE7 0
P8EDGE6 0
P8EDGE5 0
P8EDGE4 0
P8EDGE3 0
P8EDGE2 0
P8EDGE1 0
P8EDGE0 0
P8IE7 0
P8IE6 0
P8IE5 0
P8IE4 0
P8IE3 0
P8IE2 0
P8IE1 0
P8IE0 0
0x00
P8CHATEN7 0
P8CHATEN6 0
P8CHATEN5 0
P8CHATEN4 0
P8CHATEN3 0
P8CHATEN2 0
P8CHATEN1 0
P8CHATEN0 0
0x00
P8SEL7 0
P8SEL6 0
P8SEL5 0
P8SEL4 0
P8SEL3 0
P8SEL2 0
P8SEL1 0
P8SEL0 0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Seiko Epson Corporation
Reset R/W Remarks
– R –
H0 R/W Cleared by writing 1.
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W –
H0 R/W
H0 R/W
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
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
H0 R/W
H0 R/W
H0 R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
S1C31D50/D51 TECHNICAL MANUAL
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(Rev. 2.00)