Y210 Mobile Phone
Maintenance Manual
9 Principles and Failure Analysis
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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)
"ready to receive" signal sent from the host to the
slave.
"clear to send" signal sent from the slave to the host.
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)
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)
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