User's Manual

MC46 Hardware Interface Description
Confidential / Released
s
mo b i l e
MC46_HD_V03.05 Page 17 of 99 13.11.2003
2.1 MC46 key features at a glance
Table 1: MC46 key features
Feature Implementation
Power supply Single supply voltage 3.2V – 4.5V
Power saving Minimizes power consumption in SLEEP mode to 3mA
Charging Supports charging control for Li-Ion battery
Frequency bands
· Tri-band GSM 850, GSM 1800, GSM 1900
· Compliant to GSM Phase 2/2+
GSM class Small MS
Transmit power
· Class 4 (2W) at GSM 850
· Class 1 (1W) at GSM 1800 and GSM 1900
GPRS connectivity
· GPRS multi-slot class 10
· GPRS mobile station class B
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 MC46)
External antenna Connected via 50! antenna connector or antenna pad
Audio interfaces Two analog audio interfaces, one digital audio interface (DAI)
Audio features Speech codec modes:
· Half Rate (ETS 06.20)
· Full Rate (ETS 06.10)
· Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
· Adaptive Multi Rate (AMR)
Handsfree operation
· Echo cancellation
· Noise reduction
Two serial interfaces:
ASC0, ASC1
· 2.65V level, bi-directional bus for AT commands and data
· ASC0 – full-featured 8-wire serial interface. Supports RTS0/CTS0
hardware handshake and software XON/XOFF flow control. Multiplex
ability according to GSM 07.10 Multiplexer Protocol.
· ASC1 - 4-wire serial interface. Supports RTS1/CTS1 hardware
handshake and software XON/XOFF flow control.
· Baud rate: 300bps ... 230kbps on ASC0 and ASC1
· Autobauding (on ASC0 only) detects 1200, 2400, 4800, 9600, 19200,
38400, 57600, 115200, 230400 bps
DATA GPRS:
· 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
· MC46 supports the two protocols PAP (Password Authentication
Protocol) and CHAP (Challenge Handshake Authentication Protocol)
commonly used for PPP connections.
· Su
pp
ort of Packet Switched Broadcast Control Channel
(
PBCCH
)
allows