P1 Port Group - Epson S1C17M20 Technical Manual

6 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
Peripheral
P00 P00 T16B Ch.0
P01 P01 T16B Ch.0
P02 P02 SNDA
P03 P03 SNDA
P04 P04 RFC Ch.0 RFCLKO0 UPMUX
P05 P05 RFC Ch.1 RFCLKO1 UPMUX
P06 P06 –
P07 P07 –
*1: Refer to the "Universal Port Multiplexer" chapter.

6.7.2 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
6-14
Bit name Initial
0x00
P0SEL7
P0SEL6
P0SEL5
P0SEL4
P0SEL3
P0SEL2
P0SEL1
P0SEL0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Table 6.7.1.2 P0 Port Group Function Assignment
P0yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
EXCL00 UPMUX
EXCL01 UPMUX
BZOUT UPMUX
#BZOUT UPMUX
– UPMUX
– UPMUX
Table 6.7.2.1 Control Registers for P1 Port Group
Bit name Initial
P1OUT7
P1OUT6
P1OUT5
P1OUT4
P1OUT3
P1OUT2
P1OUT1
P1OUT0
P1IN7
P1IN6
P1IN5
P1IN4
P1IN3
P1IN2
P1IN1
P1IN0
Seiko Epson Corporation
Reset R/W
– 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
0 H0 R/W
0 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
0 H0 R/W –
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R/W
0 H0 R –
0 H0 R
0 H0 R
0 H0 R
0 H0 R
0 H0 R
0 H0 R
0 H0 R
M20/M23 M21/
Remarks
24pin 32pin
– –
– –
– –
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
– –
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
P0yMUX = 0x3
M20/M23 M21/
(Function 3)
Peripheral Pin
24pin 32pin
– –
✓ ✓
– –
✓ ✓
– –
✓ ✓
– –
✓ ✓
– – – –
– – – –
– – – –
– – – –
M20/M23 M21/
Remarks
24pin 32pin
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
M22/
M24 M25
– –
–
✓
–
✓
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
M22/
M24 M25
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
–
✓
–
✓
M22/
M24 M25
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓