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C005383_10 CR80XX Integration Guide
4.3 – Host Interface Pinouts (CR8012 RS232)
Notes:
1. Pin has a weak pull up to
V
in
.
2. If not actively controlling sleep mode, leave unconnected. Do not tie low.
Pin
Name
Type
Description
Note
1
RS232 Polarity
Input
RS232 polarity control. When high, all RS232 signals have their normal polarity.
When low, all RS232 signals have inverted polarity.
1
2
V
in
Power
Power supply voltage input
3
Gnd
Power
Power supply and signal ground
4
RxD
Input
RS232 receive data, TTL level
1
5
TxD
Output
RS232 transmit data, TTL level
1
6
CTS
Input
RS232 Clear to Send, TTL level
1
7
RTS
Output
RS232 Request to Send, TTL level
1
8
PwrDwn
Output
Power down indicator; active high
1
9
nBeeper
Output
Feedback indicator (success, error, etc.); active low
1
10
nGoodRead
Output
Indicates a successful decode; active low
1
11
nWakeUp
Input
Bring the unit out of sleep state; active low
1,2
12
nTrigger
Input
Activate image acquisition, decode; active low
1
4.4 – Host Interface Pinouts (CR8011 USB)
Notes:
1. Pin has a weak pull up to
V
in
.
2. If not actively controlling sleep mode, leave unconnected. Do not tie low.
Pin
Name
Type
Description
Note
1
<unused>
Input
1
2
V
in
Power
Power supply voltage input
3
Gnd
Power
Power supply and signal ground
4
D-
Bidirectional
USB D- signal
5
<unused>
Output
1
6
D+
Bidirectional
USB D+ signal
7
<unused>
Output
1
8
PwrDwn
Output
Power down indicator; active high
1
9
nBeeper
Output
Feedback indicator (success, error, etc.); active low
1
10
nGoodRead
Output
Indicates a successful decode; active low
1
11
nWakeUp
Input
Bring the unit out of sleep state; active low
1,2
12
nTrigger
Input
Activate image acquisition, decode; active low
1
4.5 – Host Interface Pinouts (CR8013 micro-USB)
Notes:
1. Not supported.
Pin
Name
Type
Description
Note
1
V
in
Power
+5 VDC
2
D-
Bidirectional
USB D- signal
3
D+
Bidirectional
USB D+ signal
4
ID
Output
On-the-GO (OTG) Host/Device ID
1
5
Gnd
Power
Power supply and signal ground