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21 serial – Epson S5U1C17801T1100 User Manual

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21 SERIAL

44

EPSON

S5U1C17801T1100 HARDWARE MANUAL

(SOFTWARE EVALUATION TOOL FOR S1C17801)

21 Serial

The S1C17801 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 (ch0) SD I/F, through holes (TP52,TP53,TP54,TP55)

SPI | GPIO (P10,P11,P12,P13)

SPI (ch1) Tri-color LED

SPI | GPIO (P13,P14,P15,P16)

UART

Expansion I/F (J8), through holes (TP42,TP43,TP44)

UART | GPIO (P40,P41,P42)

I

2

C

Expansion I/F (J8), EEPROM, AudioCodec

I

2

C | GPIO (P50,P51)

I

2

S (ch0) AudioCodec, through holes (TP47,TP48,TP49,TP50,TP51) SPI | GPIO (P20,P21,P22,P23)

I

2

S (ch1) AudioCodec, through holes (TP47,TP48,TP49,TP50,TP51) SPI | GPIO (P24,P25,P26,P27)

See also other documents in the category Epson Hardware: