HUAWEI MU509-65 HSDPA LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 01 (2016-04-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
42
protection measures. It is recommended that set the 9 pins related to JTAG interface
as test points on the DTE for tracing and debugging.
Table 3-14
Signals on the JTAG interface
Pin
No.
Pin Name
Pad
Type
Description
Parameter Min. (V) Typ. (V) Max. (V)
30
JTAG_TMS
I
JTAG Test mode
select
V
IH
1.17
-
2.1
V
IL
–0.3
-
0.63
36
JTAG_TRST_N
I
JTAG reset
V
IH
1.17
-
2.1
V
IL
–0.3
-
0.63
42
JTAG_TCK
I
JTAG clock input
V
IH
1.17
-
2.1
V
IL
–0.3
-
0.63
72
JTAG_TDO
O
JTAG test data
output
V
OH
1.35
-
1.8
V
OL
0
-
0.45
87
JTAG_TDI
I
JTAG test data
input
V
IH
1.17
-
2.1
V
IL
–0.3
-
0.63
93
JTAG_RTCK
I
JTAG return clock
V
IH
1.17
-
2.1
V
IL
–0.3
-
0.63
14
PS_HOLD
I
Used for JTAG
interface assigning
a test point for it.
V
IH
1.17
-
2.1
V
IL
–0.3
-
0.63
100
RESIN_N
I
Reset module
V
IH
1.17
-
2.1
V
IL
–0.3
-
0.63
3.11 RF Antenna Interface
The MU509-65 module provides an RF antenna pad for connecting an external
antenna. Through the MAIN_ANT pad, the antenna interface is routed out.
A matching location for the antenna must be reserved at the antenna port.
Table 3-15
Signals on RF Antenna pad
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min. (V)
Typ. (V)
Max. (V)
107
MAIN_ANT
-
RF main antenna
pad
-
-
-
-
