Figure 5: Power-On With Operating Voltage At Batt+ Applied Before Activating Igt - Siemens TC65 Hardware Interface Description

TC65 Hardware Interface Description
Strictly confidential / Draft
If configured to a fix baud rate (AT+IPR≠0), 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.
BATT+
IGT
PWR_IND
EMERG_RST
VEXT
TXD0/TXD1/RTS0/RST1/DTR0 (driven by the application)
CTS0/CTS1/DSR0/DCD0
Serial interfaces
ASC0 and ASC1

Figure 5: Power-on with operating voltage at BATT+ applied before activating IGT

TC65_HD_V00.521
t = 400ms
min
120ms
Undefined
ca. 500 ms
Page 27 of 99
s
HiZ
Active
24.05.2005