User's Manual
Table Of Contents
- Document history
- Introduction
- Product concept
- Application Interface
- Antenna interface
- Electrical, reliability and radio characteristics
- Mechanics
- Reference Approval
- Design example
- List of parts and accessories
MC55/56 Hardware Interface Description
Confidential / Preliminary
s
MC55/56_hd_v03.00 Page 18 of 104 16.08.2005
2.1 MC55/56 key features at a glance
Table 1: MC55/56 key features
Feature Implementation
Power supply Single supply voltage 3.3V – 4.8V
Power saving Minimizes power consumption in SLEEP mode to 3mA
Charging Supports charging control for Li-Ion battery
Frequency bands
• MC55 Tri-band: EGSM 900, GSM 1800, GSM 1900
• MC56 Tri-band: GSM 850, GSM 1800, GSM 1900
• Compliant to GSM Phase 2/2+
GSM class Small MS
Transmit power
• Class 4 (2W) at EGSM 900 and GSM 850
• Class 1 (1W) at GSM 1800 and GSM 1900
GPRS connectivity
• GPRS multi-slot class 10
• GPRS mobile station class B
Temperature range
Temperature control
and auto switch-off
• Normal operation: -20°C to +55°C
• Restricted operation: -25°C to -20°C and +55°C to +70°C
• Constant temperature control prevents damage to MC55/56 when the
specified temperature is exceeded. When an emergency call is in
progress the automatic temperature shutdown functionality is
deactivated.
DATA GPRS:
CSD:
WAP:
• GPRS data downlink transfer: max. 85.6 kbps (see Table 2)
• GPRS data uplink transfer: max. 42.8 kbps (see Table 2)
• Coding scheme: CS-1, CS-2, CS-3 and CS-4
• MC55/56 supports the two protocols PAP (Password Authentication
Protocol) and CHAP (Challenge Handshake Authentication Protocol)
commonly used for PPP connections.
• Support of Packet Switched Broadcast Control Channel (PBCCH) allows
you to benefit from enhanced GPRS performance when offered by the
network operators.
• CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, non-transparent, V.110
• Unstructured Supplementary Services Data (USSD) support
• WAP compliant
SMS
• MT, MO, CB, Text and PDU mode
• SMS storage: SIM card plus 25 SMS locations in the mobile equipment
• Transmission of SMS alternatively over CSD or GPRS. Preferred mode
can be user-defined.
MMS MMS compliant
FAX Group 3: Class 1, Class 2
SIM interface
• Supported SIM card: 3V
• External SIM card reader has to be connected via interface connector
(note that card reader is not part of MC55/56)