Sierra Wireless MC5725 Hardware Integration Manual page 124

CDMA and GSM / UMTS Mini Card Hardware Integration Guide
U
UDK (Universal Development Kit)
components, included 11
UMTS 1900
RF parameters, MC87xx 38
sensitivity, test results 50
UMTS 2100
RF parameters, MC87xx 38
sensitivity, test results 50
UMTS 850
RF parameters, MC87xx 38
sensitivity, test results 49
Universal Development Kit (UDK)
components, included 11
Universal Serial Bus. See USB.
usage models
current consumption 35
USB
enumeration, power‐up 26
handshaking 62
host driver requirements 63
interface
host⁄module communication 62–64
overview 62
resume mode 63
specification 15
suspend mode 63
USIM
capacitor recommendations 68
card contacts 66
clock rate 67
connector type, required 12
electrical specifications 67
impedance, connectors 67
124
In the event of a discrepancy in values between this guide and the Product Specification Document (PSD), the PSD takes precedence.
Proprietary and Confidential
interface diagram 66
interface, overview 65
operation 67–68
pin assignments 65
socket placement 68
V
voice memo
host‐controlled 58
voltage monitoring state machine
trigger levels 20
Voltage Standing Wave Ratio (VSWR)
test criteria 106
volume, setting
responsible codec 59
VSWR (Voltage Standing Wave Ratio)
test criteria 106
W
W_Disable#
deasserted, causes inrush current event 25
de‐asserted, peak current 25
inrush currents 24
module, powering off 21, 23
Normal state 19
off state 19
Z
ZIF (Zero Intermediate Frequency) 41
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