
H330 HSPA+
Notice:
5.6.3 USI
The SIM int
card. There
meets the re
Th
so
Th
co
To
rec
su
Th
ele
(TD
Module Hardw
USIM_IO
USIM_CD
IM Design
terface and s
are several
equired stan
he SIM shou
urces, such
he SIM interf
nnector and
avoid cross
commended
rrounding gr
he SIM card
ements (zen
DK). We als
ware User Ma
is pulled up
D can suppo
n Notice
signals desi
design guid
ndards and r
ld be locate
as the RF a
face signals
d the SIM tra
stalk betwee
d to rout them
round plane
signals sho
ner diodes, e
so recommen
anual
p internal H3
rt SIM hot p
gn is extrem
delines that m
regulations.
d, and its sig
antenna and
length shou
ay. This is to
en the SIM c
m separately
e.
uld be prote
etc.). The rec
nded the ES
330.
plug, low is a
mely importa
must be follo
gnals should
d digital switc
uld not exce
meet with E
clock and da
y on the app
ected from E
commended
SD compone
active and S
ant for prope
owed to ach
d be routed,
ching signal
ed 100 mm
EMC regulat
ta signals (S
plication boa
ESD using ve
d part no of E
ent should la
IM card is in
er operation
hieve a robus
away from
ls.
between the
tions and im
SIM_CLK an
ard, and pref
ery low capa
ESD is AVR
ayout with S
nserted
。
of H330 and
st and stable
any possibl
e H330 inter
mprove signa
nd SIM_DAT
ferably isola
acitance pro
R-M1005C08
SIM hold clos
Page 34 of 44
d the SIM
e design tha
e EMI
rface
al integrity.
TA), it is
ated by a
otective
80MTAAB
sely.
4
at
All manuals and user guides at all-guides.com