21
SERIAL
44
EPSON
S5U1C17801T1100 HARDWARE MANUAL
(SOFTWARE EVALUATION TOOL FOR S1C17801)
21
Serial
The S
1
C
17801
has SPI, UART, I
2
C, and I
2
S serial ports. Each of the ports is multiplexed with GPIO.
Table
21
.
1
Serial Port
Mode
Connected to
Multiplex
SPI (ch
0
) SD I/F, through holes (TP
52
,TP
53
,TP
54
,TP
55
)
SPI | GPIO (P
10
,P
11
,P
12
,P
13
)
SPI (ch
1
) Tri-color LED
SPI | GPIO (P
13
,P
14
,P
15
,P
16
)
UART
Expansion I/F (J
8
), through holes (TP
42
,TP
43
,TP
44
)
UART | GPIO (P
40
,P
41
,P
42
)
I
2
C
Expansion I/F (J
8
), EEPROM, AudioCodec
I
2
C | GPIO (P
50
,P
51
)
I
2
S (ch
0
) AudioCodec, through holes (TP
47
,TP
48
,TP
49
,TP
50
,TP
51
) SPI | GPIO (P
20
,P
21
,P
22
,P
23
)
I
2
S (ch
1
) AudioCodec, through holes (TP
47
,TP
48
,TP
49
,TP
50
,TP
51
) SPI | GPIO (P
24
,P
25
,P
26
,P
27
)
Summary of Contents for S5U1C17801T1100
Page 4: ......
