Control Register And Port Function Configuration Of This Ic; P0 Port Group - Epson S1C17W22 Technical Manual

6.7 Control Register and Port Function Configuration of this IC

This section shows the PPORT control register/bit configuration in this IC and the list of peripheral I/O functions
selectable for each port.

6.7.1 P0 Port Group

The P0 port group supports the GPIO and interrupt functions.
Register name Bit
P0DAT 15–8 P0OUT[7:0]
(P0 Port Data
7–0 P0IN[7:0]
Register)
P0IOEN 15–8 P0IEN[7:0]
(P0 Port Enable
7–0 P0OEN[7:0]
Register)
P0RCTL 15–8 P0PDPU[7:0]
(P0 Port Pull-up/
7–0 P0REN[7:0]
down Control Regis-
ter)
P0INTF 15–8 –
(P0 Port Interrupt
7–0 P0IF[7:0]
Flag Register)
P0INTCTL 15–8 P0EDGE[7:0]
(P0 Port Interrupt
7–0 P0IE[7:0]
Control Register)
P0CHATEN 15–8 –
(P0 Port Chattering
Filter Enable
7–0 P0CHATEN[7:0]
Register)
P0MODSEL 15–8 –
(P0 Port Mode Select
7–0 P0SEL[7:0]
Register)
P0FNCSEL 15–14 P07MUX[1:0]
(P0 Port Function
13–12 P06MUX[1:0]
Select Register)
11–10 P05MUX[1:0]
9–8 P04MUX[1:0]
7–6 P03MUX[1:0]
5–4 P02MUX[1:0]
3–2 P01MUX[1:0]
1–0 P00MUX[1:0]
P0SELy = 0
Port name
GPIO
Peripheral
P00 P00 RFC Ch.0
P01 P01 RFC Ch.0
P02 P02 RFC Ch.0
P03 P03 RFC Ch.0
P04 P04
P05 P05
P06 P06
P07 P07
*1: Refer to the "Universal Port Multiplexer" chapter.
S1C17W22/W23 TECHNICAL MANUAL
(Rev. 1.3)
Table 6.7.1.1 Control Registers for P0 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 6.7.1.2 P0 Port Group Function Assignment
P0yMUX = 0x0 P0yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
SENB0 UPMUX
SENA0 UPMUX
REF0 UPMUX
RFIN0 UPMUX
RTCA RTC1S UPMUX
– – UPMUX
– – UPMUX
– – 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
P0SELy = 1
P0yMUX = 0x2
(Function 2)
Pin Peripheral Pin
–
*1
–
*1
–
*1
–
*1
–
*1
ADC12A ADIN05
*1
ADC12A/ ADIN04/
*1
OPCMP OPIN0P
ADC12A/ ADIN03/
*1
OPCMP OPIN0N
6 I/O PORTS (PPORT)
Remarks
P0yMUX = 0x3
(Function 3)
Peripheral Pin
– – –
– – –
– – –
– – –
– – –
– –
– –
– –
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