HUAWEI MC509 Series CDMA LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 02 (2013-05-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
24
Figure 3-2
Recommended power circuit of MC509 module
3.3.3
Output Power Supply Interface
Output Power Supply Interface includes VCC_EXT1 pin and VCC_EXT2 pin.
Through the Output Power Supply interface, the MC509 module can supply 2.6 V
and 1.8 V power externally with an output current of 10 mA (typical value)
for external
level conversion or other applications.
If the MC509 module is in Sleep mode, the Output Power Supply interface is in the
low power consumption state. If the MC509 module is in Power Down mode, the
Output Power Supply is in the disabled state.
3.4 Signal Control Interface
3.4.1
Overview
The signal control part of the interface in the MC509 module consists of the following:
Power-on/off (POWER_ON_OFF) pin
Hardware reset (RESIN_N) pin
Network status LED (LED_STATUS/LED_MODE) pin
WAKEUP_IN signal (WAKEUP_IN) pin
WAKEUP_OUT signal (WAKEUP_OUT) pin
W_DISABLE signal pin
Table 3-3 lists the pins on the signal control interface.
Module
(DCE)
VBAT
VBAT
220
μF
10
μF
100 nF