Epson S1C31D50 Technical Manual page 386

APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
Address Register name
0x0020 P8RCTL
0284 (P8 Port Pull-up/down
Control Register)
0x0020 P8INTF
0286 (P8 Port Interrupt
Flag Register)
0x0020 P8INTCTL
0288 (P8 Port Interrupt
Control Register)
0x0020 P8CHATEN
028a
(P8 Port Chattering
Filter Enable Register)
AP-A-22
Bit Bit name
15 P8PDPU7
14 P8PDPU6
13 P8PDPU5
12 P8PDPU4
11 P8PDPU3
10 P8PDPU2
9 P8PDPU1
8 P8PDPU0
7 P8REN7
6 P8REN6
5 P8REN5
4 P8REN4
3 P8REN3
2 P8REN2
1 P8REN1
0 P8REN0
15–8 –
7 P8IF7
6 P8IF6
5 P8IF5
4 P8IF4
3 P8IF3
2 P8IF2
1 P8IF1
0 P8IF0
15 P8EDGE7
14 P8EDGE6
13 P8EDGE5
12 P8EDGE4
11 P8EDGE3
10 P8EDGE2
9 P8EDGE1
8 P8EDGE0
7 P8IE7
6 P8IE6
5 P8IE5
4 P8IE4
3 P8IE3
2 P8IE2
1 P8IE1
0 P8IE0
15–8 –
7 P8CHATEN7
6 P8CHATEN6
5 P8CHATEN5
4 P8CHATEN4
3 P8CHATEN3
2 P8CHATEN2
1 P8CHATEN1
0 P8CHATEN0
Seiko Epson Corporation
Initial Reset R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0x00 – R
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0x00 – R
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
S1C31D50/D51 TECHNICAL MANUAL
48 64 80 100
Remarks
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(Rev. 2.00)
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