Epson Arm S1C31 Series Technical Manual page 103

7 I/O PORTS (PPORT)
Register name Bit
P4RCTL 15–14 –
(P4 Port Pull-up/down
13
Control Register)
12
11
10
9
8
7–6 –
5
4
3
2
1
0
P4INTF 15–8 –
(P4 Port Interrupt
7–6 –
Flag Register)
5
4
3
2
1
0
P4INTCTL 15–14 –
(P4 Port Interrupt
13
Control Register)
12
11
10
9
8
7–6 –
5
4
3
2
1
0
P4CHATEN 15–8 –
(P4 Port Chattering
7–6 –
Filter Enable Register)
5
4
3
2
1
0
P4MODSEL 15–8 –
(P4 Port Mode Select
7–6 –
Register)
5
4
3
2
1
0
7-22
Bit name Initial
0x0
P4PDPU5 0
P4PDPU4 0
P4PDPU3 0
P4PDPU2 0
P4PDPU1 0
P4PDPU0 0
0x0
P4REN5 0
P4REN4 0
P4REN3 0
P4REN2 0
P4REN1 0
P4REN0 0
0x00
0x0
P4IF5 0
P4IF4 0
P4IF3 0
P4IF2 0
P4IF1 0
P4IF0 0
0x0
P4EDGE5 0
P4EDGE4 0
P4EDGE3 0
P4EDGE2 0
P4EDGE1 0
P4EDGE0 0
0x0
P4IE5 0
P4IE4 0
P4IE3 0
P4IE2 0
P4IE1 0
P4IE0 0
0x00
0x0
P4CHATEN5 0
P4CHATEN4 0
P4CHATEN3 0
P4CHATEN2 0
P4CHATEN1 0
P4CHATEN0 0
0x00
0x0
P4SEL5 0
P4SEL4 0
P4SEL3 0
P4SEL2 0
P4SEL1 0
P4SEL0 0
Seiko Epson Corporation
Reset 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 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
S1C31D41 TECHNICAL MANUAL
32 48
Remarks
pin pin pin
– –
–
✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
–
✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
– –
–
✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
–
✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
–
✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
– –
–
✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
– –
–
✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
(Rev. 1.1)
64
–
✓
✓
✓
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
–
–
✓
✓
✓
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
–
✓
✓
✓
✓
✓
✓
–
–
✓
✓
✓
✓
✓
✓
–
–
✓
✓
✓
✓
✓
✓