P4 Port Group - Epson S1C17F13 Technical Manual

6 I/O PORTS (PPORT)
Register name Bit
P3FNCSEL 15–14 P37MUX[1:0]
(P3 Port Function
13–12 P36MUX[1:0]
Select Register)
11–10 P35MUX[1:0]
9–8 P34MUX[1:0]
7–6 P33MUX[1:0]
5–4 P32MUX[1:0]
3–2 P31MUX[1:0]
1–0 P30MUX[1:0]
P3SELy = 0
Port name
GPIO
Peripheral
P30 P30 T16A3 Ch.1
P31 P31
P32 P32 T16A3 Ch.1 TOUTB1/CAPB1
P33 P33 T16A3 Ch.1 TOUTA1/CAPA1
P34 P34
P35 P35
P36 P36
P37 P37
6.7.5

P4 Port Group

The P4 port group supports the GPIO function.
Register name Bit
P4DAT 15–10 –
(P4 Port Data
9–8 P4OUT[1:0]
Register)
7–2 –
1–0 P4IN[1:0]
P4IOEN 15–10 –
(P4 Port Enable
9–8 P4IEN[1:0]
Register)
7–2 –
1–0 P4OEN[1:0]
P4RCTL 15–10 –
(P4 Port Pull-up/down
9–8 P4PDPU[1:0]
Control Register)
7–2 –
1–0 P4REN[1:0]
P4INTF 15–0 –
P4INTCTL
P4CHATEN
P4MODSEL 15–8 –
(P4 Port Mode Select
7–2 –
Register)
1–0 P4SEL[1:0]
P4FNCSEL 15–8 –
(P4 Port Function
7–4 –
Select Register)
3–2 P41MUX[1:0]
1–0 P40MUX[1:0]
P4SELy = 0
Port name
GPIO
Peripheral
P40 P40 UART
P41 P41 UART
6-14
Bit name Initial
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Table 6. 7.4.2 P3 Port Group Function Assignment
P3yMUX = 0x0
(Function 0)
Pin Peripheral
EXCL1 RFC Ch.0
TR REGMON RFC Ch.1
UART USIN0
UART USOUT0
I2C SCL0
I2C SDA0
Table 6. 7.5.1 Control Registers for P4 Port Group
Bit name Initial
0x00
0x0
0x00
0x00
0x0
0x00
0x0
0x00
0x0
0x00
0x0
0x0000
0x00
0x00
0x0
0x00
0x0
0x0
0x0
Table 6. 7.5.2 P4 Port Group Function Assignment
P4yMUX = 0x0 P4yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
USIN0 PIO
USOUT0 PIO
Seiko epson Corporation
Reset R/W
H0 R Valid settings: 0x0, 0x1
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W Valid settings: 0x0, 0x1, 0x2
H0 R/W Valid settings: 0x0, 0x1
P3SELy = 1
P3yMUX = 0x1 P3yMUX = 0x2
(Function 1) (Function 2)
Pin Peripheral
RFCLKO0 –
RFCLKO1 SVD
PIO PIOA0 –
PIO PIOA1 –
PIO PIOA2 –
PIO PIOA3 –
PIO PIOD0 –
PIO PIOD1 –
Reset R/W
– R –
H0 R/W
– R
x H0 R
– R –
H0 R/W
– R
H0 R/W
– R –
H0 R/W
– R
H0 R/W
– R –
– R –
– R
H0 R/W
– R –
– R
H0 R/W Valid settings: 0x0, 0x1
H0 R/W
P4SELy = 1
P4yMUX = 0x2
(Function 2)
Pin Peripheral
PIOD2 –
PIOD3 –
Remarks
P3yMUX = 0x3
(Function 3)
Pin Peripheral Pin
– – –
EXSVD – –
– – –
– – –
– – –
– – –
– – –
– – –
Remarks
P4yMUX = 0x3
(Function 3)
Pin Peripheral Pin
– – –
– – –
S1C17F13 TeChniCal Manual
(Rev. 1.0)