MeiG_SLM156_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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PCM_DOUT
24
D
O
PCM data
output
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
PCM_DIN
25
DI
PCM data input
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
1.8V power
domain, if
unused, keep it
open
PCM_CLK
26
D
O
PCM clock
output
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
PCM_SYNC
23
D
O
PCM
synchronous
frame signal
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
SPI interface
SPI_MISO
32
DI
SPI MISO
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
SPI_MOSI
31
D
O
SPI MOSI
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
SPI_CS
34
DI
SPI CS
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
SPI_CLK
33
D
O
SPI clock
output
VOLmax=0.45V
VOHmin=1.35V
1.8V power
domain, if
unused, keep it
open
ADC interface
Pin name
Pin number
I/O Description
DC features
Note
ADC
57
AI
General
purpose analog
to digital
converter.
Voltage range:
0.3V~1.8V
If unused, keep it
open
I2C interface
Pin name
Pin number
I/O Description
DC features
Note
I2C_SCL
45
O
D
I2C clock
External pull-up
to 1.8V is