P9 Port Group - Epson S1C31D50 Technical Manual

P8SELy = 0
Port
P8yMUX = 0x0
name GPIO
(Function 0)
Peripheral
P80 P80 –
P81 P81 –
P82 P82 –
P83 P83 CLG
P84 P84 T16B Ch.0
P85 P85 T16B Ch.0
P86 P86 –
P87 P87 –

7.7.10 P9 Port Group

The P9 port group supports the GPIO and interrupt functions.
Register name Bit
P9DAT 15–14 –
(P9 Port Data
13
Register)
12
11
10
9
8
7–6 –
5
4
3
2
1
0
P9IOEN 15–14 –
(P9 Port Enable
13
Register)
12
11
10
9
8
7–6 –
5
4
3
2
1
0
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Table 7.7.9.2 P8 Port Group Function Assignment
P8yMUX = 0x1
(Function 1)
Pin Peripheral
– –
– –
– –
EXOSC –
EXCL00 –
EXCL01 –
– –
– –
Table 7.7.10.1 Control Registers for P9 Port Group
Bit name Initial
0x0
P9OUT5 0
P9OUT4 0
P9OUT3 0
P9OUT2 0
P9OUT1 0
P9OUT0 0
0x0
P9IN5 0
P9IN4 0
P9IN3 0
P9IN2 0
P9IN1 0
P9IN0 0
0x0
P9IEN5 0
P9IEN4 0
P9IEN3 0
P9IEN2 0
P9IEN1 0
P9IEN0 0
0x0
P9OEN5 0
P9OEN4 0
P9OEN3 0
P9OEN2 0
P9OEN1 0
P9OEN0 0
Seiko Epson Corporation
P8SELy = 1
P8yMUX = 0x2
(Function 2)
Pin Peripheral Pin
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
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 –
H0 R
H0 R
H0 R
H0 R
H0 R
– 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
7 I/O PORTS (PPORT)
P8yMUX = 0x3
48 64
(Function 3)
pin pin
Peripheral Pin
– – – –
– – –
✓
– – –
✓
– –
✓ ✓
– –
✓ ✓
– –
✓ ✓
– – – –
– – – –
48 64
Remarks
pin pin
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
80 100
pin pin
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
80 100
pin pin
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
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