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