User Guide

Baseband technical specifications
External interfaces
Name of Connection Connector reference Material Code
USB X2001 5460061
Charger X2000 5400243
Headset X2001 5460061
SIM X2700 N/A
RS MMC X5200 5469301
Battery connector X2070 5409255
ACI interface electrical characteristics
Description Parameter Min Typ Max Unit Notes
Accessory detection
Headset
detection
threshold
1.75 1.9 2.05 V Retu specific
Headset
detection
hysteresis
25 mV
Headset
detection
pull ups
1 2 4 uA
After Mbus is switched to HeadDet
High-level
input
voltage
(VDDS = 1.8V)
V
IH
0.7 x V
DDS
V
DDS
V RAP3G
specific
Low-level
input
voltage
V
IL
0 0.3 x V
DDS
V
High-level
output
voltage
V
OH
0.8 x V
DDS
V
DDS
V
Low-level
output
voltage
V
OL
0 0.22 x VDDS V
Rise/fall
time
tR/tF
25 ns
RM-1
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