Leakage Current In Power Down Mode; Figure 7: Signal States During Turn-Off Procedure - Siemens TC65 Hardware Interface Description
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- User manual (90 pages) ,
- Operating instructions manual (55 pages) ,
- User manual (123 pages)
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TC65 Hardware Interface Description
Strictly confidential / Draft
PWR_IND
VEXT
CTS0/CTS1/DSR0/DTR0
TXD0/TXD1/RTS0/RTS1/DTR0 (driven by the application)
Active
Serial interfaces
ASC0 and ASC1
Note 1: Depending on capacitance load from host application
3.3.2.2
Leakage Current in Power Down Mode
The leakage current in Power Down mode varies depending on the following conditions:
•
If the supply voltage at BATT+ was disconnected and then applied again without starting
up the TC65 module, the leakage current ranges between 90µA and 100µA.
•
If the TC65 module is started and afterwards powered down with AT^SMSO, then the
leakage current is only 50µA.
Therefore, in order to minimize the leakage current take care to start up the module at least
once before it is powered down.
TC65_HD_V00.521
See note 1
Figure 7: Signal states during turn-off procedure
Page 31 of 99
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24.05.2005
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