Research Concepts RC4000 User Manual
Page 28
RC4000 Antenna Controller
Chapter 2
Hardware
20
2.1.2.2.7 J7 - Interboard Bus A
J7 "Bus A" 40 pin Type 3
The main function of Bus A is to provide drive control signals from the computing board to the drive
board.
Pin Signal
Pin Signal
1
DRIVE EN
2
DRIVE AZ0
3
DRIVE AZ1
4
DRIVE AZ2
5
DRIVE AZ3
6
EL SPD
7
AZ SPD
8
GND
9
DRV FAULT
10
POL SPD
11 GND
12 DRIVE EL0
13
DRIVE EL1
14
DRIVE EL1
15
DRIVE EL3
16
GPIO3
*
17
DRIVE AZ4
18
DRIVE EL4
19 GND
20 GPIO4
*
21 I2C1
SCL
22 I2C1
SDA
23 GND
24 GND
25
V_DRIVE
26
GPIO5
*
27
DRIVE PL0
28
DRIVE PL1
29
DRIVE PL2
30
DRIVE PL3
31 UP_SPARE1
* 32 UP_SPARE2
*
33 GPIO6
* 34 GPIO7
*
35 GPIO8
* 36 GPIO9
*
37 GND
38 GND
39 +5
VDC
40 +5
VDC
* - available for custom I/O