Version 1.17 2011-09
17
2.2.4 J7 Connector (Flexfilm)
Table 5: Signals on J7
J7
Pin Nr
Pin Name
Signal Name
Signal
Level
Type
Description
1
RESET
Hardware reset
CMOS
In
Active low. Must be open drain
collector.
See section 2.4 for design ex-
amples.
2
DSR
Data Set Ready
CMOS
In
Active low.
Also used to control the power
saving mode stop mode .
See section 2.5 for more infor-
mation.
3
VSS
Ground
Ground
GND
4
VCC_3V3
Power
3.3V
3.0 6.0 VDC for
CB-OEMSPA311 modules
3.3 6.0 VDC for
CB-OEMSPA331 modules
5
DTR
Data Terminal Ready CMOS
Out
Active low.
6
RED/Mode
Red LED output
CMOS
Out
RED:
Logic Red LED Signal
(see Chapter 3, Table 14).
Active low.
Mode:
Not used on cB-0901.
This pin is also used to select
Logic level mode (instead of
RS232) for connectBlue prod-
uct with internal RS232 driver.
To be compatible with these
products check the datasheet
for these products about this
signal.
The pin is not allowed to be
pull-down when using the Seri-
alSelect signals.
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