Справочник Пользователя для Honeywell International Inc. IM11PRT
24
IM11 RFID Reader Module Integration Guide (Confidential)
Notes:
•
GPIOx: General purpose inputs/outputs. The pins are high
impedance inputs when initially powered, following a module
reset. You can configure all pins as inputs or outputs under
software control.
impedance inputs when initially powered, following a module
reset. You can configure all pins as inputs or outputs under
software control.
•
Host TX1/RX1 and host RTS1/CTS1: Standard logic levels. No
RS-232 transceiver.
RS-232 transceiver.
•
USB_DP: If UART_SEL_L is low, pull up to wake up. If logic level
is low, IM11 is in Sleep mode.
is low, IM11 is in Sleep mode.
•
All signals are 3.3 V logic levels (5 V tolerant inputs).
35
GND
Ground
36
USB_DM
USB data minus
37
GND
Ground
38
USB_DP
USB data plus
39
+V_BATT
Power input
40
GND
Ground
41
+V_BATT
Power input
42
No Connect
Not connected
43
GND
Ground
44
GPIO5
45
HOST_CTS1
Future use
46
GPIO6
47
HOST_RTS1
Future use
48
GPIO7
49
HOST_RX1
Output. Rx data output to host
50
GND
Ground
51
HOST_TX1
Input. Tx data input from host
52
+V_BATT
Power input
Pin Descriptions (continued)
Pin
Pin Name
Description