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A.3 Pinout Table
The pinout table for the RCM3400 is shown below:
Header Pin Number Pin Name Description
J1
1 LN3 Not Connected
2 LN7 Not Connected
3 LN2 Not Connected
4 LN6 Not Connected
5 LN1 Not Connected
6 LN5 Not Connected
7 LN0 Not Connected
8 LN8 Not Connected
9 VREF Not Connected
10 CONVERT Not Connected
11 PF6 Coincidence Window or Delay (Bit 2)
12 PF7 Bus to LCD Display (Line E)
13 PF4 Bus to FPGA Counter (Bit 7)
14 PF5 Bus to FPGA Counter (Overflow Flag)
15 PB7 Bus to FPGA Counter (Bit 21)
16 PE7 Bus to LCD Display (Line RS)
17 PE6 Start/Stop Button on User Interface
18 PE5 Down Button on User Interface
19 PE4 Bus to LCD Display (Line 4)
20 PE2 Clear Button on User Interface
21 PE1 Bus to LCD Display (Line 5)
22 PE0 Menu Button on User Interface
23 GND Ground
24 +3_3V_IN +3.3V Input (Power)
25 PG7 Bus to LCD Display (Line 6)
26 PG6 Enable/Select Button on User Interface
27 PG5 Bus to LCD Display (Line 7)
28 PG4 Up Button on User Interface
29 /IORD Not Connected
30 STATUS Reserved for firmware upload
31 SMODE1 Reserved for firmware upload
32 /IOWR Not Connected
33 /RES Reserved for firmware upload
34 SMODE0 Reserved for firmware upload
J2
1 GND Ground
2 PF1 Coincidence Window or Delay (Bit 0)
3 PB6 Bus to FPGA Counter (Bit 0)
4 PF0 Bus to FPGA Counter (Bit 14)
5 PB5 Bus to FPGA Counter (Bit 1)
6 PB4 Bus to FPGA Counter (Bit 15)
7 PB3 Bus to FPGA Counter (Bit 2)
8 PB2 Bus to FPGA Counter (Bit 16)
9 PB1 Reserved for firmware upload
10 PA7 Bus to FPGA Counter (Bit 17)
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