Cobalt Digital Inc BBG-1002-2UDX, Руководство по эксплуатации продукта

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GPIO, Serial (COMM), and Analog Audio Connections
2-6
BBG-1002-2UDX PRODUCT MANUAL BBG-1002-2UDX-OM (V1.3)
Figure 2-4 COMM, GPIO, and Analog Audio Connector Pinouts (cont.)
Pin Function
1 GPI IN 1
2 GPI IN 2
3 GND
4 GND
5 GPO OUT 1
6 GPO OUT 2
7 GPO COM
8 GND
9 COMM A RX 422 (–)
10 COMM B RX 422 (+)
11 COMM A TX 422 (–)
12 COMM B TX 422 (+)
COMM and GPIO Connections
(12-Pin Phoenix Connector)
GPIO uses equivalent opto-isolated circuits shown below.
GPO
GPO COM
GPI
10 k
Ω
+3.3V
GPO from
card control
GPI to
card control
V+
GPO Specifications:
Max I: 120 mA
Max V: 30 V
Max P: 120 mW
Pullup R >500
Ω
resistor is recommended when using 5V control.
GPI Specifications:
GPI LO @ Vin < 1.5 V
GPI HI @ Vin > 2.3 V
Max Vin: 9 V
• • • • • • • • • • •
12 1
• • • • • • • • • • • •
• • • • • • • • • • • • •
1 13
14 25
Balanced Analog Audio Port Connections
(MicroD Connector)
Pin Function Pin Function
1 OUT 4 (+) 14 OUT 4 (–)
2 GND 15 OUT 3 (+)
3 OUT 3 (–) 16 GND
4 OUT 2 (+) 17 OUT 2 (–)
5 GND 18 OUT 1 (+)
6 OUT 1 (–) 19 GND
7 IN 4 (+) 20 IN 4 (–)
8 GND 21 IN 3 (+)
9 IN 3 (–) 22 GND
10 IN 2 (+) 23 IN 2 (–)
11 GND 24 IN 1 (+)
12 IN 1 (–) 25 GND
13 NC