Epson S1C31D50 Technical Manual page 388

APPENDIX A LIST OF PERIPHERAL CIRCUIT CONTROL REGISTERS
Address Register name
0x0020 P9RCTL
0294 (P9 Port Pull-up/down
Control Register)
0x0020 P9INTF
0296
(P9 Port Interrupt
Flag Register)
0x0020 P9INTCTL
0298 (P9 Port Interrupt
Control Register)
0x0020 P9CHATEN
029a (P9 Port Chattering
Filter Enable Register)
0x0020 P9MODSEL
029c (P9 Port Mode Select
Register)
AP-A-24
Bit Bit name
15–14 –
13 P9PDPU5
12 P9PDPU4
11 P9PDPU3
10 P9PDPU2
9 P9PDPU1
8 P9PDPU0
7–6 –
5 P9REN5
4 P9REN4
3 P9REN3
2 P9REN2
1 P9REN1
0 P9REN0
15–8 –
7–6 –
5 P9IF5
4 P9IF4
3 P9IF3
2 P9IF2
1 P9IF1
0 P9IF0
15–14 –
13 P9EDGE5
12 P9EDGE4
11 P9EDGE3
10 P9EDGE2
9 P9EDGE1
8 P9EDGE0
7–6 –
5 P9IE5
4 P9IE4
3 P9IE3
2 P9IE2
1 P9IE1
0 P9IE0
15–8 –
7–6 –
5 P9CHATEN5
4 P9CHATEN4
3 P9CHATEN3
2 P9CHATEN2
1 P9CHATEN1
0 P9CHATEN0
15–8 –
7–6 –
5 P9SEL5
4 P9SEL4
3 P9SEL3
2 P9SEL2
1 P9SEL1
0 P9SEL0
Seiko Epson Corporation
Initial Reset R/W
0x0 – 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
0x0 – 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
0x00 – R
0x0 – 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
0x0 – 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
0x0 – 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
0x00 – R
0x0 – 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
0x00 – R
0x0 – 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
S1C31D50/D51 TECHNICAL MANUAL
48 64 80 100
Remarks
pin pin pin pin
– – – –
–
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
– – – –
–
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
– – – –
– – –
Cleared by
✓ ✓ ✓ ✓
writing 1.
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
– – – –
–
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
– – – –
–
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
– – – –
– – –
–
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
– – – –
– – –
–
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
(Rev. 2.00)
–
–
–
–
–
–
–
–
–
–