User's Manual
Table Of Contents
- Document History
- Introduction
- Product Concept
- Application Interface
- Operating Modes
- Power Supply
- Power Up / Power Down Scenarios
- Automatic GPRS Multislot Class Change
- Charging Control
- Summary of State Transitions (Except SLEEP Mode)
- RTC Backup
- SIM Interface
- Serial Interface ASC0
- Serial Interface ASC1
- USB Interface
- I2C Interface
- Audio Interfaces
- Control Signals
- Antenna Interface
- Electrical, Reliability and Radio Characteristics
- Mechanics
- Sample Application
- Reference Approval
- Appendix
TC63 Hardware Interface Description
Strictly confidential / Draft
s
TC63_HD_V00.432 Page 27 of 97 11.05.2005
If configured to a fix baud rate (AT+IPR0), the module will send the URC “^SYSSTART” or
“^SYSSTART AIRPLANE MODE” to notify that it is ready to operate. If autobauding is
enabled (AT+IPR=0) there will be no notification.
EMERG_RST
VEXT
TXD0/TXD1/RTS0/RST1/DTR0 (driven by the application)
CTS0/CTS1/DSR0/DCD0
ca. 500 ms
Serial interfaces
ASC0 and ASC1
Undefined
Active
PWR_IND
t = 400ms
min
120ms
BATT+
IGT
HiZ
Figure 5: Power-on with operating voltage at BATT+ applied before activating IGT