User's Manual Part 1

MC75 Hardware Interface Description
Strictly confidential / Draft
s
MC75_V00.190a Page 6 of 91 15.02.2005
0 Document History
Preceding document: "MC75 Hardware Interface Description" Version 00.111
New document: "MC75 Hardware Interface Description" Version 00.190a
Chapter What is new
2.3 Updated Figure 2
8.2 Added notes regarding FCC regulations
Preceding document: "MC75 Hardware Interface Description" Version 00.111
New document: "MC75 Hardware Interface Description" Version 00.190
Chapter What is new
3.4.5 Described effect of AT^SMSO during Charge-only mode.
3.12.2 Corrected several parameters in figures.
3.13 More detailed description of AT^SSYNC command.
8.2 Changed antenna gain and FCC identifier.
Preceding document: "MC75 Hardware Interface Description" Version 00.02
New document: "MC75 Hardware Interface Description" Version 00.111
Chapter What is new
3.1.2 / 3.1.3 Added description of how to measure V
BATT+.
3.2.3.5 Orderly shutdown in case of overvoltage (description is preliminary)
3.4.1 / 3.4.2
9.3
Updated battery requirements. Added description of VARTA batteries.
Added data sheets of VARTA batteries.
3.9.1 Added info about usbser.sys file.
3.12.2 Added filter in microphone circuit figures.
3.12.3 Added figures “Differential loudspeaker configuration” and “Single ended loudspeaker
configuration”.
3.10 More detailed description of how to connect the I
2
C interface.
5.1 Updated Table 14: Absolute maximum ratings.
6.1 Updated Figure 36.