Usb Interface; Ruim Card Interface; Overview - Huawei MC509 Hardware Manual

HUAWEI MC509 CDMA Mini PCIe Module
Hardware Guide

3.5 USB Interface

The MC509 Mini PCIe module is compliant with USB 2.0 protocol. The USB interface
is powered directly from the VBAT supply. The USB input/output lines are compatible
with the USB 2.0 signal specifications. Figure 3-9 shows the circuit of the USB
interface.
Table 3-4 Definition of the USB interface
Pin No. Pin Name
36 USB_DM
38 USB_DP
According to USB protocol, for bus timing or electrical characteristics of MC509 Mini
PCIe USB signal, please refer to the chapter 7.3.2 of
Specification 2.0.
Figure 3-9 Recommended circuit of USB interface

3.6 RUIM Card Interface

3.6.1 Overview

The MC509 Mini PCIe module provides an RUIM card interface complying with the
C.S0023 standard and supports automatic detection of a 3.0 V or 1.8 V RUIM card.
Table 3-5 RUIM card interface signals
Pin Pin Name
No.
14 RUIM_RESET
Issue 03 (2014-12-26)
Pad Type Description
I/O USB signal D-
I/O USB signal D+
Pad Description
Type
External RUIM reset
O
signal.
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Description of the Application Interfaces
Parameter Min.(V)
- -
- -
Universal Serial Bus
Parameter Min.(V)
- -
Typ.(V) Max.(V)
- -
- -
Typ.(V) Max.
(V)
1.8/2.85 -
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