P1 Port Group - Epson S1C31D50 Technical Manual

7 I/O PORTS (PPORT)
Register name Bit
P0MODSEL 15–8 –
(P0 Port Mode Select
7
Register)
6
5
4
3
2
1
0
P0FNCSEL 15–14 P07MUX[1:0]
(P0 Port Function
13–12 P06MUX[1:0]
Select Register)
11–10 P05MUX[1:0]
9–8 P04MUX[1:0]
7–6 P03MUX[1:0]
5–4 P02MUX[1:0]
3–2 P01MUX[1:0]
1–0 P00MUX[1:0]
P0SELy = 0
Port
P0yMUX = 0x0
name GPIO
(Function 0)
Peripheral
P00 P00 –
P01 P01 –
P02 P02 –
P03 P03 –
P04 P04 –
P05 P05 –
P06 P06 –
P07 P07 –
*1: Refer to the "Universal Port Multiplexer" chapter.

7.7.2 P1 Port Group

The P1 port group supports the GPIO and interrupt functions.
Register name Bit
P1DAT 15
(P1 Port Data
14
Register)
13
12
11
10
9
8
7
6
5
4
3
2
1
0
7-14
Bit name Initial
0x00
P0SEL7 0
P0SEL6 0
P0SEL5 0
P0SEL4 0
P0SEL3 0
P0SEL2 0
P0SEL1 0
P0SEL0 0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Table 7.7.1.2 P0 Port Group Function Assignment
P0yMUX = 0x1
(Function 1)
Pin Peripheral
– UPMUX
– UPMUX
– UPMUX
– UPMUX
– UPMUX
– UPMUX
– UPMUX
– UPMUX
Table 7.7.2.1 Control Registers for P1 Port Group
Bit name Initial
P1OUT7 0
P1OUT6 0
P1OUT5 0
P1OUT4 0
P1OUT3 0
P1OUT2 0
P1OUT1 0
P1OUT0 0
P1IN7 0
P1IN6 0
P1IN5 0
P1IN4 0
P1IN3 0
P1IN2 0
P1IN1 0
P1IN0 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
H0 R/W
H0 R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
P0SELy = 1
P0yMUX = 0x2
(Function 2)
Pin Peripheral Pin
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
Reset R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R –
H0 R
H0 R
H0 R
H0 R
H0 R
H0 R
H0 R
48 64
Remarks
pin pin
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
P0yMUX = 0x3
48 64
(Function 3)
pin pin
Peripheral Pin
– – – –
– – – –
– – – –
– –
✓ ✓
– –
✓ ✓
– –
✓ ✓
– –
✓ ✓
– – – –
48 64
Remarks
pin pin
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
– –
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
80 100
pin pin
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
–
✓
80 100
pin pin
–
✓
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
80 100
pin pin
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓