Specifications
MC55/56 Hardware Interface Description
Confidential / Released
s
MC55/56_hd_v04.00a Page 9 of 108 24.08.2006
Chapter What is new
3.6, 3.12.2.2 More detailed description of status LED patterns.
3.5.1 Deleted vendor XWODA, battery pack can be obtained from various dealers.
3.11 Use CCGND line to shield CCIO line from CCCLK line.
5.2 Added footnote regarding heat sink.
5.6 Typical value for supply voltage has been changed from 4.1V to 4.2V
7.2, 7.3 Added IC: 267W-MC55 and IC: IC: 267W-MC56
8 New chapter: Design example
---- Deleted chapter “Maximum number of turn-on / turn-off cycles”
Preceding document: "MC55/56 Hardware Interface Description" Version 01.03a
New document: "MC55/56 Hardware Interface Description" Version 01.05
Chapter What is new
1.3 Updated list of standards, MC55/56 now fully type approved and labeled with CE mark
2.2 New block diagram.
3.2.2, 5.5 All statements relating to typical peak current now 1.6 A.
3.2.3 More detailed description of measuring periods for BATT+.
3.1, 3.5.3 Removed remarks about charging during Alarm mode
3.3.1.4 Battery can be charged while module is in Alarm mode.
3.3.2.1 To keep /EMERGOFF pin and output pins of the serial interfaces from floating when in
high impedance state use additional resistors.
3.3.3.5 Modified description of overvoltage conditions.
3.5 Improved Figure 7.
3.6 Added SLEEP mode 9, added information on RTS, revised Table 11.
3.12.2.3 Advantages of the /RING0 line usage explained in more detail.
4.1 Marked antenna pad and ground pad.
4.1.2 Rated frequency changed from 3 to 6 GHz
5.5 Table 30 - /EMERGOFF pin and output pins of serial interface: To keep output pins
from floating when in high impedance state use additional resistors.
5.6
Added test conditions for TALK and DATA GPRS: 50 Ω
5.6.1 Revised introduction.
5.7.2 Improved Figure 42: Audio programming model
6.1
New drawing in Figure 45. Corrected height from 2.8 ±0.2 to 2.95 ±0.2 mm
6.2 Revised mounting instructions.
9 Siemens ordering numbers added.
--- Deleted chapter on cooling elements.