Sony Ericsson GR47 Integrator's Manual page 79

LZT 123 7589 R2B
USING THE UNIVERSAL DEVELOPER'S KIT
To activate or deactivate the Flow Control mechanism, switch
S501 must be set as presented in Table 7 and Table 8
respectively.
Switch Position Function
Position 1 DTMS
Position 2 CTS
Position 3 DTR
Position 4 DFMS
Position 5 RTS
Position 6 DSR
Position 7 Module_Pwr_En_B
WAKE
Table 9: S501 Settings to enable HW Flow Control
Switch Function
Position
Position 1 DTMS
Position 2 CTS
Position 3 DTR
Position 4 DFMS
Position 5 RTS
Position 6 DSR
Position 7 Module_Pwr_En_B
WAKE
Table 10: S501 Settings to disable HW Flow Control
If you intend to use the serial interface using the header
connector (JP 301) provided on the developer's board, notice
that appropriate CMOS voltage levels as defined by VDIG in
§3.3 Power Interface shall be connected to the appropriate pins
as follows:
Pin Signal
23 DCD
25 CTS
26 DTR
27 TD
28 RTS
30 RD
Table 11: Direction of Serial Data Signals
DM-xx
ON
ON
ON
ON
ON
ON
OFF
DM-xx
ON
OFF
ON
ON
OFF
ON
OFF
Description
Data Carrier Detect
Clear To Send
Data Terminal Ready
Serial Data To Module (DTMS)
Request To Send
Serial Data From Module (DFMS)
CM-4x GM-41 GM/GR
47/48
ON ON ON
ON ON ON
ON ON ON
ON ON ON
ON ON ON
ON ON ON
ON ON ON
CM-4x GM-41 GM/GR
47/48
ON ON ON
OFF OFF OFF
ON ON ON
ON ON ON
OFF OFF OFF
ON ON ON
ON ON ON
Direction
O
O
I
I
I
O
79