Huawei Ascend Maintenance Manual page 41

Y210 Mobile Phone
Maintenance Manual
The MSM7225A provides PCM and UART interfaces that are directly connected to the
Bluetooth module's PCM and UART signal output. Table 9-7 describes the signals'
definitions.
Table 9-7 Signal definitions (PCM and UART interfaces)
MSM7225A Signal
GPIO_44
GPIO_43
GPIO_46
GPIO_45
GPIO_69
GPIO_68
GPIO_70
GPIO_71
GPIO_107
GPIO_83
The MSM7225A provides SDIO3 interfaces that are directly connected to the Wi-Fi module's
SDIO signal output. Table 9-8 describes the signals' definitions.
Table 9-8 Signal definitions (SDIO3 interface)
MSM7225A
GPIO_64
GPIO_65
GPIO_66
GPIO_67
GPIO_62
GPIO_63
The PM8029 provides audio input interfaces that are directly connected to the FM module's
left and right channels. Table 9-9 describes the signals' definitions.
Table 9-9 Signal definitions (audio input interfaces)
BCM4330
FM_RXP
Issue 1.0 (2012-11-28)
UART1_CTS_N
UART1_RFR_N
UART1_TX
UART1_RX
AUX_PCM_DIN
AUX_PCM_DOUT
AUX_PCM_SYNC
AUX_PCM_CLK
MSM_WAKES_BT Waking up the host
BT_WAKES_MSM Waking up the Bluetooth
Signal
SDC2_DATA3
SDC2_DATA2
SDC2_DATA1
SDC2_DATA0
SDC2_CLK
SDC2_CMD
Network
FM_ANT
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9 Principles and Failure Analysis
Definition
"ready to receive" signal sent from the host to the
slave.
"clear to send" signal sent from the slave to the host.
Transmission signal
Reception signal
PCM input
PCM output
PCM synchronization
PCM clock
Definition
Data
Clock
Control signal
MSM7225A
-
Description
FM antenna (headset)
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