P3 Port Group - Epson S1C17W12 Technical Manual

6.7.4 P3 Port Group

The P3 port group consists of two output only ports P30–P31.
Note: The P3 port group does not exist in the S1C17W13 TQFP12-48PIN and SQFN7-48PIN pack-
ages.
Register name Bit
P3DAT 15–10 –
(P3 Port Data
9–8 P3OUT[1:0]
Register)
7–0 –
P3IOEN 15–8 –
(P3 Port Enable
7–2 –
Register)
1–0 P3OEN[1:0]
PP3RCTL 15–0 –
P3INTF
P3INTCTL
P3CHATEN
P3MODSEL 15–8 –
(P3 Port Mode Select
7–2 –
Register)
1–0 P3SEL[1:0]
P3FNCSEL 15–8 –
(P3 Port Function
7–4 –
Select Register)
3–2 P31MUX[1:0]
1–0 P30MUX[1:0]
P3SELy = 0
Port
name Output port
Peripheral
P30 P30
P31 P31
S1C17W12/W13 TECHNICAL MANUAL
(Rev. 1.2)
Table 6.7.4.1 Control Registers for P3 Port Group
Bit name Initial
0x00
0x0
0x00
0x00
0x00
0x0
0x0000
0x00
0x00
0x0
0x00
0x0
0x0
0x0
Table 6.7.4.2 P3 Port Group Function Assignment
P3yMUX = 0x0 P3yMUX = 0x1
(Function 0) (Function 1)
Pin Peripheral
– – T16B Ch.1
– – T16B Ch.1
Seiko Epson Corporation
Reset R/W
– R –
H0 R/W
– R
– R –
– R
H0 R/W
– R –
– R –
– R
H0 R/W
– R –
– R
H0 R/W
H0 R/W
P3SELy = 1
P3yMUX = 0x2
(Function 2)
Pin Peripheral
TOUT10 –
TOUT11 –
6 I/O PORTS (PPORT)
Remarks
P3yMUX = 0x3
(Function 3)
Pin Peripheral Pin
– – –
– – –
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