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Doc Title
Streamplay Module A0
Pin description:
Connector
Pin
Name
J1
1
SD_D3
J1
2
SD_CLK
J1
3
SD_D1
J1
4
N.C.
J2
1
SD_CD
J2
2
SD_D0
J2
3
SD_CMD
J2
4
SD_D2
J2
5
5V_IN
J2
6
5V_IN
J2
7
GND
J2
8
GND
J2
9
I2S_FS
J2
10
I2S_BCK
J2
11
I2S_SDO
J2
12
I2S_SDI
J2
13
ETH_TX+
J2
14
ETH_TX-
J2
15
ETH_RX+
J2
16
ETH_RX-
J2
17
USB_D-
J2
18
USB_D+
J3
1
I2C_SCL
J3
2
I2C_SDA
J3
3
CPU_!RST
J3
4
NRELOAD/GPIO_76 Restore OS Factory Settings
J3
5
GPIO_75
J3
6
3V3_OUT
J3
7
GND
J3
8
GPIO_70
J3
9
GPIO_68
J3
10
UART_RXD
J3
11
UART_TXD
J3
12
GPIO_67
J3
13
GPIO_66
J3
14
GND
J3
15
SPDIF_OUT
J3
16
GND
J3
17
UART-DBG_TXD
J3
18
UART-DBG_RXD
Document No.:
SMA0_DS24
Description
SDIO Data
SDIO Clock
SDIO Data
Not Connected
SDIO Detect
SDIO Data
SDIO Command
SDIO Data
+5V DC Input
+5V DC Input
GND Reference
GND Reference
I2S Audio Frame Select
I2S Audio Bit Clock
I2S Audio Serial Data Out
I2S Audio Serial Data In
Ethernet Transmit Data +
Ethernet Transmit Data -
Ethernet Receive Data +
Ethernet Receive Data -
USB Interface DM
USB Interface DP
I2C Serial Clock
I2C Serial Data
Module CPU Reset
General-purpose IO
+3.3V DC Output
GND Reference
General-purpose IO
General-purpose IO
Serial UART Receive Data
Serial UART Transmit Data
General-purpose IO
General-purpose IO
GND Reference
S/PDIF Audio output
GND Reference
Debug Serial Transmit Data
Debug Serial Receive Data
LEGEND
I: Input, O: Output, P: Power
Number
SMA0_DS24
Version
0.11
Type
I/O
SD-card interface D3
O
SD-card interface CLK
I/O
SD-card interface D1
Leave floating or connected to GND
I
SD-card interface CD
I/O
SD-card interface D0
O
SD-card interface CMD
I/O
SD-card interface D2
P, I
Requires a stable +5V input supply, up to 500 mA current
P, I
P
Connect to a solid GND Plane
P
O
O
I2S Audio Master Interface, up to 192kHz/24bit
O
I
O
O
10/100M Ethernet interface
I
I
I/O
USB 2.0 Host interface
I/O
O
Internal 2.2kΩ pull-up to 3.3V
I/O
Internal 2.2kΩ pull-up to 3.3V
Internal 10kΩ pull-up to 1.8V
I
Toggle low > 300ms to reset
Internal 4.7kΩ pull-up to 3.3V
I/O
Toggle low > 1s to factory-reset
I/O
Internal 4.7kΩ pull-up to 3.3V
P, O
+3.3V DC output, up to 100mA current
P
Connect to a solid GND Plane
I/O
Internal 4.7kΩ pull-up to 3.3V
I/O
Internal 4.7kΩ pull-up to 3.3V
I
Serial interface to send and receive data with an external
MCU. It is used by the serial API implemented in the OS
O
I/O
Internal 2.2kΩ pull-up to 3.3V
I/O
Internal 2.2kΩ pull-up to 3.3V
P
Connect to a solid GND Plane
O
S/PDIF Audio, up to 192kHz/24bit
P
Connect to a solid GND Plane
O
Serial debug interface for CPU and
I
OS additional information
Comments
Page 8 of 19
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