P2 Port Group - Epson S1C17W12 Technical Manual

6 I/O PORTS (PPORT)

6.7.3 P2 Port Group

The P2 port group consists of seven ports P20–P26 and they support the GPIO and interrupt functions.
Register name Bit
P2DAT 15
(P2 Port Data
14–8 P2OUT[6:0]
Register)
7
6–0 P2IN[6:0]
P2IOEN 15
(P2 Port Enable
14–8 P2IEN[6:0]
Register)
7
6–0 P2OEN[6:0]
P2RCTL 15
(P2 Port Pull-up/down
14–8 P2PDPU[6:0]
Control Register)
7
6–0 P2REN[6:0]
P2INTF 15–8 –
(P2 Port Interrupt
7
Flag Register)
6–0 P2IF[6:0]
P2INTCTL 15
(P2 Port Interrupt
14–8 P2EDGE[6:0]
Control Register)
7
6–0 P2IE[6:0]
P2CHATEN 15–8 –
(P2 Port Chattering
7
Filter Enable Register)
6–0 P2CHATEN[6:0]
P2MODSEL 15–8 –
(P2 Port Mode Select
7
Register)
6–0 P2SEL[6:0]
P2FNCSEL 15–14 –
(P2 Port Function
13–12 P26MUX[1:0]
Select Register)
11–10 P25MUX[1:0]
9–8 P24MUX[1:0]
7–6 P23MUX[1:0]
5–4 P22MUX[1:0]
3–2 P21MUX[1:0]
1–0 P20MUX[1:0]
P2SELy = 0
Port
name
GPIO
Peripheral
P20 P20 T16B Ch.0
P21 P21 T16B Ch.0
P22 P22
P23 P23
P24 P24
P25 P25
P26 P26
*1: Refer to the "Universal Port Multiplexer" chapter.
6-14
Table 6.7.3.1 Control Registers for P2 Port Group
Bit name Initial
–
0x00
–
0x00
–
0x00
–
0x00
–
0x00
–
0x00
0x00
–
0x00
–
0x00
–
0x00
0x00
–
0x00
0x00
–
0x00
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Table 6.7.3.2 P2 Port Group Function Assignment
P2yMUX = 0x0 P2yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
EXCL00 UPMUX
EXCL01 UPMUX
– – UPMUX
– – UPMUX
– – UPMUX
– – UPMUX
– – UPMUX
Seiko Epson Corporation
Reset R/W
0 – R –
H0 R/W
0 – R
H0 R
0 – R –
H0 R/W
0 – R
H0 R/W
0 – R –
H0 R/W
0 – R
H0 R/W
– R –
0 – R
H0 R/W Cleared by writing 1.
0 – R –
H0 R/W
0 – R
H0 R/W
– R –
0 – R
H0 R/W
– R –
0 – R
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
P2SELy = 1
P2yMUX = 0x2
(Function 2)
Pin Peripheral
–
*1
–
*1
–
*1
–
*1
–
*1
–
*1
–
*1
Remarks
P2yMUX = 0x3
(Function 3)
Pin Peripheral
– LCD4A
– LCD4A
– LCD4A
– LCD4A
– LCD4A
– LCD4A
– LCD4A
S1C17W12/W13 TECHNICAL MANUAL
Pin
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
(Rev. 1.2)