Epson S1C31D50 Technical Manual page 112

7 I/O PORTS (PPORT)
Register name Bit
P9RCTL 15–14 –
(P9 Port Pull-up/down
13
Control Register)
12
11
10
9
8
7–6 –
5
4
3
2
1
0
P9INTF 15–8 –
(P9 Port Interrupt
7–6 –
Flag Register)
5
4
3
2
1
0
P9INTCTL 15–14 –
(P9 Port Interrupt
13
Control Register)
12
11
10
9
8
7–6 –
5
4
3
2
1
0
P9CHATEN 15–8 –
(P9 Port Chattering
7–6 –
Filter Enable Register)
5
4
3
2
1
0
P9MODSEL 15–8 –
(P9 Port Mode Select
7–6 –
Register)
5
4
3
2
1
0
7-34
Bit name Initial
0x0
P9PDPU5 0
P9PDPU4 0
P9PDPU3 0
P9PDPU2 0
P9PDPU1 0
P9PDPU0 0
0x0
P9REN5 0
P9REN4 0
P9REN3 0
P9REN2 0
P9REN1 0
P9REN0 0
0x00
0x0
P9IF5 0
P9IF4 0
P9IF3 0
P9IF2 0
P9IF1 0
P9IF0 0
0x0
P9EDGE5 0
P9EDGE4 0
P9EDGE3 0
P9EDGE2 0
P9EDGE1 0
P9EDGE0 0
0x0
P9IE5 0
P9IE4 0
P9IE3 0
P9IE2 0
P9IE1 0
P9IE0 0
0x00
0x0
P9CHATEN5 0
P9CHATEN4 0
P9CHATEN3 0
P9CHATEN2 0
P9CHATEN1 0
P9CHATEN0 0
0x00
0x0
P9SEL5 0
P9SEL4 0
P9SEL3 0
P9SEL2 0
P9SEL1 0
P9SEL0 0
Seiko Epson Corporation
Reset R/W Remarks
– R –
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
– R –
– R
H0 R/W Cleared by writing 1.
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
– R –
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
– R –
– R
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
– R –
– R
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)