Decode Board (Usb) Output To Host Connector - Honeywell IS4921 Integration Manual

Decode Board (USB) Output to Host Connector

Pin Signal Name
1 N/C
2 Vin
3 GND
4 D-
5 <reserved>
6 D+
7 <reserved>
8 PWRDWN
9 nBEEPER
10 nGoodRead
11 nWAKE
12 nTrig
40
Figure 34. Decode Board (USB) Output Connector
No Connection
Power: Supply voltage input (3V to 5.5V)
Ground: Power and signal ground.
Input: USB D- Signal
Pin Function Reserved.
Input: USB D+ Signal
Pin Function Reserved.
Output: active high = IS4920 is in power down mode.
Output: active low signal capable of sinking current.
Output: active low signal for sinking current (Good Read).
Input: Wakes engine from power-down or sleep mode.
Input: Signal used as trigger input to activate the IS4920
Function