Epson S1C17M20 Technical Manual page 80

6 I/O PORTS (PPORT)
Register name Bit
P1CHATEN 15–8 –
(P1 Port Chattering
7
Filter Enable Register)
6
5
4
3
2
1
0
P1MODSEL 15–8 –
(P1 Port Mode Select
7
Register)
6
5
4
3
2
1
0
P1FNCSEL 15–14 P17MUX[1:0]
(P1 Port Function
13–12 P16MUX[1:0]
Select Register)
11–10 P15MUX[1:0]
9–8 P14MUX[1:0]
7–6 P13MUX[1:0]
5–4 P12MUX[1:0]
3–2 P11MUX[1:0]
1–0 P10MUX[1:0]
P1SELy = 0
Port P1yMUX = 0x0
name (Function 0)
GPIO
Peripheral
P10 P10 –
P11 P11 –
P12 P12 REMC3
P13 P13 CLG
P14 P14 ADC12A #ADTRG0 UPMUX
P15 P15 REMC3
P16 P16 –
P17 P17 –
*1: Refer to the "Universal Port Multiplexer" chapter.
6-16
Bit name Initial
0x00
P1CHATEN7 0
P1CHATEN6 0
P1CHATEN5 0
P1CHATEN4 0
P1CHATEN3 0
P1CHATEN2 0
P1CHATEN1 0
P1CHATEN0 0
0x00
P1SEL7 0
P1SEL6 0
P1SEL5 0
P1SEL4 0
P1SEL3 0
P1SEL2 0
P1SEL1 0
P1SEL0 0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Table 6.7.2.2 P1 Port Group Function Assignment
P1yMUX = 0x1
(Function 1)
Pin Peripheral
– UPMUX
– UPMUX
REMO UPMUX
FOUT UPMUX
CLPLS UPMUX
– UPMUX
– UPMUX
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
– 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
P1SELy = 1
P1yMUX = 0x2
(Function 2)
Pin Peripheral Pin Peripheral
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
*1 – –
M20/M23 M21/
Remarks
24pin 32pin
– –
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
– –
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
– –
– –
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
P1yMUX = 0x3
M20/M23 M21/
(Function 3)
Pin
24pin 32pin
– – –
✓
– – –
✓
– –
✓ ✓
– –
✓ ✓
– –
✓ ✓
– –
✓ ✓
– – – –
– – – –
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
M22/
M24 M25
– –
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
– –
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
M22/
M24 M25
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
–
✓
–
✓