Epson S1C17W14 Technical Manual page 88

6 I/O PORTS (PPORT)
Register name Bit
P4INTCTL 15–13 –
(P4 Port Interrupt
12–8 P4EDGE[4:0]
Control Register)
7–5 –
S1C17W16
4–0 P4IE[4:0]
P4CHATEN 15–8 –
(P4 Port Chattering
7–5 –
Filter Enable Register)
4–0 P4CHATEN[4:0]
S1C17W16
P4MODSEL 15–8 –
(P4 Port Mode Select
7–5 –
Register)
4–0 P4SEL[4:0]
S1C17W16
P4FNCSEL 15–10 –
(P4 Port Function
9–8 P44MUX[1:0]
Select Register)
7–6 P43MUX[1:0]
S1C17W16
5–4 P42MUX[1:0]
3–2 P41MUX[1:0]
1–0 P40MUX[1:0]
P4SELy = 0
Port
name
GPIO
Peripheral
P40 P40
P41 P41
P42 P42
P43 P43
P4SELy = 0
Port
name GPIO
Peripheral
P40 P40 RFC Ch.1
P41 P41 RFC Ch.1
P42 P42 RFC Ch.1
P43 P43 RFC Ch.1
P44 P44
6-16
Bit name Initial
0x0
0x00
0x0
0x00
0x00
0x0
0x00
0x00
0x0
0x00
0x00
0x0
0x0
0x0
0x0
0x0
Table 6.7.5.3 P4 Port Group Function Assignment (S1C17W14)
P4yMUX = 0x0 P4yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
– – –
– – –
– – –
– – –
Table 6.7.5.4 P4 Port Group Function Assignment (S1C17W16)
P4yMUX = 0x0 P4yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
SENB1 –
SENA1 –
REF1 –
RFIN1 –
– – –
Seiko Epson Corporation
Reset R/W
– R –
H0 R/W
– R
H0 R/W
– R –
– R
H0 R/W
– R –
– R
H0 R/W
– R –
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
P4SELy = 1
P4yMUX = 0x2
(Function 2)
Pin Peripheral Pin
– – –
– – –
– – –
– – –
P4SELy = 1
P4yMUX = 0x2
(Function 2)
Pin Peripheral Pin
– – –
– – –
– – –
– – –
– – –
S1C17W14/W16 TECHNICAL MANUAL
Remarks
P4yMUX = 0x3
(Function 3)
Peripheral Pin
LCD8B SEG45
LCD8B SEG44
LCD8B SEG43
LCD8B SEG42
P4yMUX = 0x3
(Function 3)
Peripheral Pin
LCD8B SEG51
LCD8B SEG50
LCD8B SEG49
LCD8B SEG48
LCD8B SEG47
(Rev. 1.2)