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HUAWEI MC509 CDMA LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 01 (2011-04-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
18
PIN
No.
Pin Name
I/O
Description
DC Characteristics (V)
Normal
MUX
Min
Typical
Max
77
UART_RING
GPIO
O
UART Ring Indicator
-0.3
2.6
2.9
78
UART_RX
GPIO
I
UART receive data input
-0.3
2.6
2.9
79
UART_DTR
GPIO
I
Data Terminal Ready
-0.3
2.6
2.9
80
UART_CTS
GPIO
I
UART Clear to Send
-0.3
2.6
2.9
81
POWER_ON_OFF
-
I
System power-on or
power-off
-
Pulled
up on
chip
-
82
NC
-
-
Not connected, please
keep this pin open
-
-
-
83
NC
-
-
Not connected, please
keep this pin open
-
-
-
84
NC
-
-
Not connected, please
keep this pin open
-
-
-
85
USB_DM
-
I/O
Full-speed USB D-
-
-
-
86
USB_DP
-
I/O
Full-speed USB D+
-
-
-
87
JTAG_TDI
-
I
JTAG test data input
-0.3
2.6
2.9
88
UIM_RESET
-
O
UIM reset
-0.3
1.8/2.8
5
2.1/3.1
5
89
UIM_DATA
-
I/O
UIM Data
-0.3
1.8/2.8
5
2.1/3.1
5
90
UIM_CLK
-
O
UIM Clock
-0.3
1.8/2.8
5
2.1/3.1
5
91
LED_STATUS
-
I
Status indicator
SINK current source
Driver strength: 10mA
-
-
-
92
NC
-
-
Not connected, please
keep this pin open
-
-
-
93
JTAG_RTCK
-
I
JTAG return clock
-0.3
2.6
2.9
94
NC
-
Not connected, please
keep this pin open
-
-
-
95
NC
-
Not connected, please
keep this pin open
-
-
-