Circuit Recommended For The Ruim Card Interface - Huawei MC509 Hardware Manual

HUAWEI MC509 CDMA Mini PCIe Module
Hardware Guide
Pin Pin Name
No.
12 RUIM_CLK
10 RUIM_DATA
8 RUIM_PWR

3.6.2 Circuit Recommended for the RUIM Card Interface

As the Mini PCIe Adapter is not equipped with an RUIM socket, you need to place an
RUIM socket on the user interface board.
Figure 3-10 shows the circuit of the RUIM card interface.
Figure 3-10 Circuit of the RUIM card interface
Issue 03 (2014-12-26)
Pad Description
Type
External RUIM clock
O
signal
External RUIM data
I/O
signal
Power source for
PO the external RUIM
card
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Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Parameter Min.(V)
- -
- -
Class C –0.3
Class B –0.3
Typ.(V) Max.
(V)
1.8/2.85 -
1.8/2.85 -
1.8 1.98
2.85 3.3
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