Jtag Interface; Rf Antenna Interface - Huawei MU709 Series Hardware Manual

HUAWEI MU709 Series HSPA+ LGA Module
Hardware Guide

3.10 JTAG Interface

The MU709 module provides Joint Test Action Group (JTAG) interface. Table 3-13
shows the signals on the JTAG interface. It is recommended that route out the 5 pins
as test points on the DTE for tracing and debugging.
Table 3-13 Signals on the JTAG interface
Pin Pin Name
No.
30 JTAG_TMS
36 JTAG_TRST_N
42 JTAG_TCK
72 JTAG_TDO
87 JTAG_TDI

3.11 RF Antenna Interface

The MU709 module provides two antenna pads (MAIN_ANT and AUX_ANT) for
connecting the external antennas.
Table 3-14 Definition of the antenna pads
Pin Pin Name
No.
107 MAIN_ANT
115 AUX_ANT
Route the antenna pad as close as possible to antenna connector. In addition, the
impedance of RF signal traces must be 50 Ω.
Issue 09 (2017-12-15)
Pad Description
Type
I JTAG test mode select
I JTAG reset
I JTAG clock input
O JTAG test data output
I JTAG test data input
Pad Description
Type
- RF MAIN antenna pad
- RF AUX antenna pad
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Description of the Application Interfaces
Parameter Min.(V)
V 1.26
IH
–0.3
V
IL
V 1.26
IH
–0.3
V
IL
V 1.26
IH
–0.3
V
IL
V 1.35
OH
V 0
OL
V 1.26
IH
–0.3
V
IL
Parameter
-
-
Typ.(V) Max.(V)
1.8 2.1
- 0.63
1.8 2.1
- 0.63
1.8 2.1
- 0.63
1.8 2.1
- 0.45
1.8 2.1
- 0.63
Min. Typ. Max.
(V) (V) (V)
- - -
- - -
41