User's Manual
HC864-AUTO Hardware User Guide
1vv0300946 Rev.4 – 2012-12-27
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Reserved. Page 18 of 77
NOTE:
RI pin must be connected in order to wake up the host when a call is coming in sleep mode of
host.
NOTE:
RESERVED pins must not be connected
RTS must be connected to the GND (on the module side) if flow control is not used
NOTE:
If not used, almost all pins must be left disconnected. The only exceptions are the following:
Pin Signal Function
1
VBATT Main power supply
2
VBATT Main power supply
3
VBATT Main power supply
4
VBATT Main power supply
5
GND Ground
6
GND Ground
7
GND Ground
46
GND Ground
25
C103/TXD Serial data input (TXD) from DTE
26
C104/RXD Serial data output to DTE
31
C105/RTS Input for Request to send signal (RTS) from DTE
53
ON/OFF
Input command for switching power ON or OFF
(toggle command).
54
RESET Reset input