Lantronix Open-Q 845 mSOM User Manual page 33

Pi
n Signal
No
GPIO58_QUA_MI2
3
S_SCK
GPIO59_QUA_MI2
5
S_WS
GPIO60_QUA_MI2
7
S_DATA0
9 GND
GPIO65_CODEC_S
11
PI_MISO
GPIO66_CODEC_S
13
PI_MOSI
GPIO67_CODEC_S
15
PI_CLK
GPIO68_CODEC_S
17
PI_CS_N
19 GND
GPIO69_SPKR_I2S
21
_SCK
GPIO70_CODEC_S
23
LIMBUS_CLK_CON
GPIO71_CODEC_S
25 LIMBUS_DATA0_C
ON
GPIO72_CODEC_S
27 LIMBUS_DATA1_C
ON
29 GND
31 MB_VREG_1P8
33 MB_VREG_3P3
35 MB_VREG_5P0
Open-Q 845 µSOM Development Kit User Guide
Description
CPU GPIO58 – can be configured as
QUA_MI2S_SCK
CPU GPIO59 – can be configured as
QUA_MI2S_WS
CPU GPIO60 – can be configured as
QUA_MI2S_DATA0
Ground
CPU GPIO65 – can be configured as
PRI_MI2S_SCK (see Note 1 below)
CPU GPIO66 – can be configured as
PRI_MI2S_WS (see Note 1 below)
CPU GPIO67 – can be configured as
PRI_MI2S_DATA0 (see Note 1
below)
CPU GPIO68 – can be configured as
PRI_MI2S_DATA1 (see Note 1
below)
Ground
CPU GPIO69 – can be configured as
SPKR_I2S_SCK
CPU GPIO70 – can be configured as
SPKR_I2S_CLK (see Note 1 below)
CPU GPIO71 – can be configured as
SPKR_I2S_DATA_OUT (see Note 1
below)
CPU GPIO72 – can be configured as
SPKR_I2S_WS (see Note 1 below)
Ground
Carrier board switching regulator
+1.8V
Carrier board switching regulator
+3.3V
Carrier board switching regulator
+5.0V
3: Open-Q 845 µSOM Development Kit
Pi
n Signal Description
No
GPIO61_QU
CPU GPIO61 – can be configured
4 A_MI2S_DAT
as QUA_MI2S_DATA1
A1
GPIO62_QU
CPU GPIO62 – can be configured
A_MI2S_DAT
6
as QUA_MI2S_DATA2
A2
GPIO63_QU
CPU GPIO63 – can be configured
8 A_MI2S_DAT
as QUA_MI2S_DATA3
A3
CPU GPIO64 – can be configured
GPIO64_CO
10 as PRI_MI2S_MCLK (see Note 1
DEC_RST_N
below)
12 GND Ground
LN_BB_CLK2 µSOM PMIC baseband clock
14
_WCD_CON output (see Note 1 below)
16 No net
18 CDC_IN5_P Codec Input 5 Positive
20 CDC_IN5_N Codec Input 5 Negative
22 GND Ground
24 No net
CDC_MIC_BI
26 Microphone Bias 1
AS1
WCD9340 Audio Codec LDO
28 CDC_LDO_H
output
30 No net
32 GND Ground
GPIO54_CO
34 DEC_INT1_C CPU GPIO54 (see Note 1 below)
ON
GPIO53_CO
36 DEC_INT2_C CPU GPIO53 (see Note 1 below)
ON
33