User's Manual

3. Pin Configuration
Symbol
Description
I
CMOS
input
O Output
Pin descriptions for the MB2000L Module
N
O
Pin Name I/O Description
1 GPIO_16 I/O GPIO function port
2 NRESET I System Reset(Low Active)
3 UART_RX I UART Data Input active high
4 UART_TX O UART DataOutput active high
5 GND I DIGITAL Ground
6 MUTE(GPIO_17) I/O GPIO function port
7 I2S_SCK O I2S Bit clock
8 I2S_SD_OUT O I2S Data output
9
I2S_SD_IN
I
I2S
Data
input
10 I2S_WS O I2S LR clock
11 GND I DIGITAL Ground
12 AOUT_P_L O Analog audio positive left output
13 AOUT_N_L O Analogaudio negative left output
14 AOUT_P_R O Analog audio positive right output
15 AOUT_N_R O Analog audio negative right output
16 GND I DIGITAL Ground
17 SPDIF_OUT O optical output / upgrade TX
18 SPDIF_IN I optical input // upgrade RX
19 GND I DIGITAL Ground
20 VDD I VCC 3.3V
AUX in connector
NO Pin Name I/O Description
1 AUX_P_L I Analog audio positive left input
2 AUX_N_L I Analogaudio negative left input
3 AGND O Analog Ground
4 AUX_P_R I Analog audio positive right input