7 I/O PORTS (PPORT)
S1C31D50/D51 TECHNICAL MANUAL
Seiko Epson Corporation
7-27
(Rev. 2.00)
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
48
pin
64
pin
80
pin
100
pin
P6RCTL
(P6 Port Pull-up/down
Control Register)
15 P6PDPU7
0
H0
R/W –
– – –
✓
14 P6PDPU6
0
H0
R/W
– – –
✓
13 P6PDPU5
0
H0
R/W
– – –
✓
12 P6PDPU4
0
H0
R/W
– –
✓
✓
11 P6PDPU3
0
H0
R/W
– –
✓
✓
10 P6PDPU2
0
H0
R/W
✓
✓
✓
✓
9
P6PDPU1
0
H0
R/W
✓
✓
✓
✓
8
P6PDPU0
0
H0
R/W
– – –
✓
7
P6REN7
0
H0
R/W –
– – –
✓
6
P6REN6
0
H0
R/W
– – –
✓
5
P6REN5
0
H0
R/W
– – –
✓
4
P6REN4
0
H0
R/W
– –
✓
✓
3
P6REN3
0
H0
R/W
– –
✓
✓
2
P6REN2
0
H0
R/W
✓
✓
✓
✓
1
P6REN1
0
H0
R/W
✓
✓
✓
✓
0
P6REN0
0
H0
R/W
– – –
✓
P6INTF
(P6 Port Interrupt
Flag Register)
15–8 –
0x00
–
R
–
– – – –
7
P6IF7
0
H0
R/W Cleared by writing 1.
– – –
✓
6
P6IF6
0
H0
R/W
– – –
✓
5
P6IF5
0
H0
R/W
– – –
✓
4
P6IF4
0
H0
R/W
– –
✓
✓
3
P6IF3
0
H0
R/W
– –
✓
✓
2
P6IF2
0
H0
R/W
✓
✓
✓
✓
1
P6IF1
0
H0
R/W
✓
✓
✓
✓
0
P6IF0
0
H0
R/W
– – –
✓
P6INTCTL
(P6 Port Interrupt
Control Register)
15 P6EDGE7
0
H0
R/W –
– – –
✓
14 P6EDGE6
0
H0
R/W
– – –
✓
13 P6EDGE5
0
H0
R/W
– – –
✓
12 P6EDGE4
0
H0
R/W
– –
✓
✓
11 P6EDGE3
0
H0
R/W
– –
✓
✓
10 P6EDGE2
0
H0
R/W
✓
✓
✓
✓
9
P6EDGE1
0
H0
R/W
✓
✓
✓
✓
8
P6EDGE0
0
H0
R/W
– – –
✓
7
P6IE7
0
H0
R/W –
– – –
✓
6
P6IE6
0
H0
R/W
– – –
✓
5
P6IE5
0
H0
R/W
– – –
✓
4
P6IE4
0
H0
R/W
– –
✓
✓
3
P6IE3
0
H0
R/W
– –
✓
✓
2
P6IE2
0
H0
R/W
✓
✓
✓
✓
1
P6IE1
0
H0
R/W
✓
✓
✓
✓
0
P6IE0
0
H0
R/W
– – –
✓
P6CHATEN
(P6 Port Chattering
Filter Enable Register)
15–8 –
0x00
–
R
–
– – – –
7
P6CHATEN7
0
H0
R/W –
– – –
✓
6
P6CHATEN6
0
H0
R/W
– – –
✓
5
P6CHATEN5
0
H0
R/W
– – –
✓
4
P6CHATEN4
0
H0
R/W
– –
✓
✓
3
P6CHATEN3
0
H0
R/W
– –
✓
✓
2
P6CHATEN2
0
H0
R/W
✓
✓
✓
✓
1
P6CHATEN1
0
H0
R/W
✓
✓
✓
✓
0
P6CHATEN0
0
H0
R/W
– – –
✓