7-21
Seiko Epson Corporation
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
7.7.8.
P7 Port Group
The P7 port group supports the GPIO and interrupt functions.
Table 7.7.8.1 Control Registers for P7 Port Group
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
PPORTP7DAT
(P7 Port Data
Register)
15
–
8
P7OUT[7:0]
0x00
H0
R/W
–
7
–
0
P7IN[7:0]
0x00
H0
R
PPORTP7IOEN
(P7 Port Enable
Register)
15
–
8
P7IEN[7:0]
0x00
H0
R/W
–
7
–
0
P7OEN[7:0]
0x00
H0
R/W
PPORTP7RCTL
(P7 Port Pull-
up/down Control
Register)
15
–
8
P7PDPU[7:0]
0x00
H0
R/W
–
7
–
0
P7REN[7:0]
0x00
H0
R/W
PPORTP7INTF
(P7 Port Interrupt
Flag Register)
15
–
8
–
0x00
–
R
–
7
–
0
P7IF[7:0]
0x00
H0
R/W
Cleared by writing 1.
PPORTP7INTCTL
(P7 Port Interrupt
Control Register)
15
–
8
P7EDGE[7:0]
0x00
H0
R/W
–
7
–
0
P7IE[7:0]
0x00
H0
R/W
PPORTP7CHATEN
(P7 Port Chattering
Filter Enable
Register)
15
–
8
–
0x00
–
R
–
7
–
0
P7CHATEN[7:0]
0x00
H0
R/W
PPORTP7MODSEL
(P7 Port Mode
Select Register)
15
–
8
–
0x00
–
R
–
7
–
0
P7SEL[7:0]
0x00
H0
R/W
PPORTP7FNCSEL
(P7 Port Function
Select Register)
15
–
14
P77MUX[1:0]
0x0
H0
R/W
–
13
–
12
P76MUX[1:0]
0x0
H0
R/W
11
–
10
P75MUX[1:0]
0x0
H0
R/W
9
–
8
P74MUX[1:0]
0x0
H0
R/W
7
–
6
P73MUX[1:0]
0x0
H0
R/W
5
–
4
P72MUX[1:0]
0x0
H0
R/W
3
–
2
P71MUX[1:0]
0x0
H0
R/W
1
–
0
P70MUX[1:0]
0x0
H0
R/W
Table 7.7.8.2 P7 Port Group Function Assignment
Port
name
P6SEL
y
= 0
P7SEL
y
= 1
GPIO
P7
y
MUX = 0x0
(Function 0)
P7
y
MUX = 0x1
(Function 1)
P7
y
MUX = 0x2
(Function 2)
P7
y
MUX = 0x3
(Function 3)
Peripheral
Pin
Peripheral
Pin
Peripheral
Pin
Peripheral
Pin
P70
P70
–
–
–
–
–
–
–
–
P71
P71
–
–
–
–
–
–
–
–
P72
P72
T16B Ch.1 EXCL10
–
–
–
–
–
–
P73
P73
T16B Ch.1
EXCL11
–
–
–
–
–
–
P74
P74
–
–
–
–
–
–
–
–
P75
P75
–
–
–
–
–
–
–
–
P76
P76
–
–
–
–
–
–
–
–
P77
P77
–
–
–
–
–
–
–
–
Содержание S1C31D50
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