User's Manual

H350 LGA Serials Module Hardware User Manual Page of
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5.7 Digital Audio
H350 supports digital audio I2S interface, this interface supports normal I2S mode and PCM mode. The
level of I2S interface is 1.8V.
I2S signal description:
Pin# Pin Name I/O Description
18 I2S2_CLK0 O Bit Clock
14 I2S2_WA0 O Left & right channels clock (LRCK)
15 I2S2_TX O Serial data output
16 I2S2_RX I Serial data input
20 I2C_DATA I/O I2C control signal I/O
19 I2C_SCL O I2C control clock
5.7.1 I2S
H350 Signal Direction Audio CODEC I2S Port
I2S2_CLK0 I2S_CLK
I2S2_WA0 I2S_LRCK
I2S2_RX I2S_SDIN
I2S2_TX I2S_SDOUT
CLKOUT0 I2S_MCLK
5.7.2 I2C
H350 Signal Direction Audio CODEC I2C Port
I2C_SDA I2C_SDA
I2C_SCL I2C_SCL
Note:
I2S can work in master mode or slave mode
It supports various audio sample rates (48 KHz, 44.1 KHz, 32 KHz, 24 KHz, 22.5 KHz, 16 KHz, 12
KHz, 11.025 KHz and 8 KHz).