P1 Port Group - Epson S1C31W74 Technical Manual

7 I/O PORTS (PPORT)

7.7.2 P1 Port Group

The P1 port group supports the GPIO and interrupt functions.
Register name Bit
PPORTP1DAT 15–8 P1OUT[7:0]
(P1 Port Data
7–0 P1IN[7:0]
Register)
PPORTP1IOEN 15–8 P1IEN[7:0]
(P1 Port Enable
7–0 P1OEN[7:0]
Register)
PPORTP1RCTL 15–8 P1PDPU[7:0]
(P1 Port Pull-up/down
7–0 P1REN[7:0]
Control Register)
PPORTP1INTF 15–8 –
(P1 Port Interrupt
7–0 P1IF[7:0]
Flag Register)
PPORTP1INTCTL 15–8 P1EDGE[7:0]
(P1 Port Interrupt
7–0 P1IE[7:0]
Control Register)
PPORTP1CHATEN 15–8 –
(P1 Port Chattering
Filter Enable
7–0 P1CHATEN[7:0]
Register)
PPORTP1MODSEL 15–8 –
(P1 Port Mode Select
7–0 P1SEL[7:0]
Register)
PPORTP1FNCSEL 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
name GPIO
Peripheral
P10 P10 SNDA
P11 P11 SNDA
P12 P12 T16B Ch.0
P13 P13 T16B Ch.1
P14 P14 CLG
P15 P15 REMC2
P16 P16 REMC2
P17 P17 RTCA
*1: Refer to the "Universal Port Multiplexer" chapter.
7-12
Table 7.7.2.1 Control Registers for P1 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 7.7.2.2 P1 Port Group Function Assignment
P1yMUX = 0x0 P1yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
BZOUT UPMUX
#BZOUT UPMUX
EXCL00 UPMUX
EXCL10 UPMUX
FOUT UPMUX
REMO UPMUX
CLPLS UPMUX
RTC1S UPMUX
Seiko Epson Corporation
Reset R/W
H0 R/W –
H0 R
H0 R/W –
H0 R/W
H0 R/W –
H0 R/W
– R –
H0 R/W Cleared by writing 1.
H0 R/W –
H0 R/W
– 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
H0 R/W
H0 R/W
P1SELy = 1
P1yMUX = 0x2
(Function 2)
Pin Peripheral Pin
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
– –
*1
S1C31W74 TECHNICAL MANUAL
Remarks
P1yMUX = 0x3
(Function 3)
Peripheral Pin
– –
– –
– –
– –
– –
– –
– –
– –
(Rev. 1.1)