HUAWEI MU739 HSPA+ LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 01 (2011-08-24)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
34
Pin
No.
Pin Name
I/
O
Description
DC Characteristics (V)
Normal
MUX
Min Typical Max
56
I2S_RX
PCM_DIN
I Serial receive
data
-0.3 1.8
2.1
57
I2S_TX
PCM_DOUT O Serial transmit
data
-0.3 1.8
2.1
58
I2S_WA0
PCM_SYNC O Word alignment
select
-0.3 1.8
2.1
59
I2S_WA1
-
O Word alignment
select
-0.3 1.8
2.1
The MU739 module has reserved audio interface in hardware, but the software couldn’t
support this function right now. If you need, please contact us for more details about this
information.
3.8 IPC Interface
The IPC (Inter Processor Communications) interface includes HSIC interface and
MIPI_HSI interface.
The MU739 module has reserved IPC interface in hardware, but the software couldn’t
support this function right now. If you need, please contact us for more details about this
information.
3.8.1
HSIC interface
HSIC uses 2 signals (strobe, data) in a source synchronous serial interface with 240
MHz DDR signaling to provide a 480 Mbps USB 1.2 V CMOS logic levels. Both Data
and strobe are bi-directional utilizing NRZI encoding.
Table 3-9
HSIC interface
Pin
No.
Pin Name
I/O Description
DC Characteristics (V)
Min
Typical Max
21 HSIC_USB_STRB I/O Inter-connect USB
Strobe
-0.3
1.2
1.5
22 HSIC_USB_DATA I/O Inter-connect USB
Data
-0.3
1.2
1.5
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