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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
8. BGA Pin Map
LG Electronics
112/147
LGE Property
U502(TQM7M5005H, SMPY0021101)
Pin #
Description
Function
1
DCS/PCS in
DCS/PCS RF INPUT – DC blocked
2
MODE SELECT
MODE = High, the PAM operation in EDGE(SPSK) mode
MODE = Low, the PAM operation in GMSK mode.
BAND SELECT (BS)
BAND SELECT = Low, Low-band active
BAND SELECT = High, High-band active
4
VBATT
Battery supply voltage, typ..0 – 4.5 V, nom. 1.6
5
VRAMP
DAC Control signal(analog), Nominal Vramp range is 0.2 to 1.6V
GMSK mode – Controls ramp profile and output power
EDGE mode – Controls ramp profile
6
TX_EN
TX_EN = High, PA is enabled for operation
TX_EN = Low, PA is sleep mode
7
GSM850 / 900 in
GSM850 / GSM900 RF input –- DC blocked
10
GSM850 / 900 out
GSM850 / GSM900 RF output –- DC blocked
12
DCS / PCS out
DCS / PCS RF output –DC blocked
9, 1
Bypass Cap
Connect 0.01uF bypass capacitor as close to pin as practical
8, 11, 14
GND
Ground
Содержание GM360i
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