Host Interface Pinouts (Cr8222 Rs232); Host Interface Pinouts (Cr8221 Usb) - Code Reader 822 Series Integration Manual

4.3 – Host Interface Pinouts (CR8222 RS232)
Pin Name Type
1 RS232 Polarity Input
2 V Power
in
3 Gnd Power
4 RxD Input
5 TxD Output
6 CTS Input
7 RTS Output
8 PwrDwn Output
9 nBeeper Output
10 nGoodRead Output
11 nWakeUp Input
12 nTrigger Input
Notes: 1. Pin has a weak pull up to V
2. If not actively controlling sleep mode, leave unconnected. Do not tie low.
4.4 – Host Interface Pinouts (CR8221 USB)
Pin Name Type
1 NU N/A
2 USB_VBUS Power
3 Gnd Power
4 D- Bidirectional
5 NU N/A
6 D+ Bidirectional
7 NU N/A
8 PwrDwn Output
9 nBeeper Output
10 nGoodRead Output
11 nWakeUp Input
12 nTrigger Input
Notes: 1. Pin has a weak pull up to V
2. If not actively controlling sleep mode, leave unconnected. Do not tie low.
D026227_08 CR822x Single Board Decoded Scan Engine Integration Guide
Description
RS232 polarity control. When high, all RS232 signals have their normal polarity. When
low, all RS232 signals have inverted polarity. For inverted polarity on all RS232 signals,
tie this pin to Gnd. This pin is GPIO dual function; high impedance (2k Ohm protection
impedance that can be swapped out in final design).
Power supply voltage input
Power supply and signal ground
RS232 receive data, TTL level
RS232 transmit data, TTL level
RS232 Clear to Send, TTL level
RS232 Request to Send, TTL level
Power down indicator
Feedback indicator (success, error, etc.); active low
Indicates a successful decode; active low
Bring the unit out of sleep state; active low
Activate image acquisition, decode; active low
.
in
Description
Not used
Power supply voltage input
Power supply and signal ground
USB D- signal
Not used
USB D+ signal
Not used
Power down indicator
Feedback indicator (success, error, etc.); active low
Indicates a successful decode; active low
Bring the unit out of sleep state; active low
Activate image acquisition, decode; active low
.
in
Note
1
1
1
1
1
1
1
1,2
1
Note
1
1
1
1,2
1
13