User's Manual

TC65 Hardware Interface Description
Strictly confidential / Draft
s
TC65_HD_V00.450 Page 18 of 96 20.04.2005
Feature Implementation
ASC1
• 4-wire, unbalanced asynchronous interface
• 1.2kbps to 460kbps
• Autobauding TBD
• Supports RTS1/CTS1 hardware handshake and software
XON/XOFF flow control
USB Supports a USB 2.0 Full Speed (12Mbit/s) slave interface.
I
2
C I
2
C bus for 7-bit addressing and transmission rates up to 400kbps.
Programmable with AT^SSPI command.
Alternatively, all pins of the I²C interface are configurable as SPI.
SPI Serial Peripheral Interface for transmission rates up to 6.5 Mbps.
Programmable with AT^SSPI command.
If the SPI is active the I²C interface is not available.
Audio
• 2 analog interfaces
• 1 digital interface (PCM)
SIM interface Supported SIM cards: 3V, 1.8V
Antenna 50Ohms. External antenna can be connected via antenna
connector or solderable pad.
Module interface 80-pin board-to-board connector
Power on/off, Reset
Power on/off
• Switch-on by hardware pin IGT
• Switch-off by AT command (AT^SMSO)
• Automatic switch-off in case of critical temperature and
voltage conditions.
Reset
• Orderly shutdown and reset by AT command
• Emergency reset by hardware pin EMERG_RST
Special features
Charging Supports management of rechargeable Lithium Ion and Lithium
Polymer batteries
Real time clock Timer functions via AT commands
GPIO 10 I/O pins of the application interface programmable as GPIO.
Programming is done via AT commands.
Phonebook SIM and phone
Evaluation kit
DSB75 DSB75 Evaluation Board designed to test and type approve
Siemens cellular engines and provide a sample configuration for
application engineering.