P3 Port Group - Epson S1C17W03 Technical Manual

6 I/O PORTS (PPORT)

6.7.4 P3 Port Group

The P3 port group consists of six ports P30–P35 and they support the GPIO and interrupt functions.
Note: The P32 port does not exist in the 32-pin package.
Register name Bit
P3DAT 15–14 –
(P3 Port Data
13–8 P3OUT[5:0]
Register)
7–6 –
5–0 P3IN[5:0]
P3IOEN 15–14 –
(P3 Port Enable
13–8 P3IEN[5:0]
Register)
7–6 –
5–0 P3OEN[5:0]
P3RCTL 15–14 –
(P3 Port Pull-up/down
13–8 P3PDPU[5:0]
Control Register)
7–6 –
5–0 P3REN[5:0]
P3INTF 15–8 –
(P3 Port Interrupt
7–6 –
Flag Register)
5–0 P3IF[5:0]
P3INTCTL 15–14 –
(P3 Port Interrupt
13–8 P3EDGE[5:0]
Control Register)
7–6 –
5–0 P3IE[5:0]
P3CHATEN 15–8 –
(P3 Port Chattering
7–6 –
Filter Enable Register)
5–0 P3CHATEN[5:0]
P3MODSEL 15–8 –
(P3 Port Mode Select
7–6 –
Register)
5–0 P3SEL[5:0]
P3FNCSEL 15–12 –
(P3 Port Function
11–10 P35MUX[1:0]
Select Register)
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 T16B Ch.1
P31 P31 T16B Ch.1
P32 P32
P33 P33
P34 P34
P35 P35
*1: Refer to the "Universal Port Multiplexer" chapter.
6-14
Table 6.7.4.1 Control Registers for P3 Port Group
Bit name Initial
0x0
0x00
0x0
0x00
0x0
0x00
0x0
0x00
0x0
0x00
0x0
0x00
0x00
0x0
0x00
0x0
0x00
0x0
0x00
0x00
0x0
0x00
0x00
0x0
0x00
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Table 6.7.4.2 P3 Port Group Function Assignment
P3yMUX = 0x0 P3yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
EXCL10 UPMUX
EXCL11 UPMUX
– – UPMUX
– – UPMUX
– – UPMUX
– – UPMUX
Seiko Epson Corporation
Reset R/W
– R –
H0 R/W
– R
H0 R
– R –
H0 R/W
– R
H0 R/W
– R –
H0 R/W
– R
H0 R/W
– R –
– R
H0 R/W Cleared by writing 1.
– 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
H0 R/W
P3SELy = 1
P3yMUX = 0x2
(Function 2)
Pin Peripheral Pin
ADC12A ADIN05
*1
ADC12A ADIN04
*1
ADC12A ADIN03
*1
ADC12A ADIN02
*1
ADC12A ADIN01
*1
ADC12A ADIN00
*1
S1C17W03/W04 TECHNICAL MANUAL
Remarks
P3yMUX = 0x3
(Function 3)
Peripheral Pin
– –
– –
– –
– –
– –
– –
(Rev. 1.2)