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MDrive 34Plus
Microstepping Hardware - Revision R071108
Relevant to Firmware Version 3.0.02
SPI Pins and Connections
Figure 2.4.1: SPI Pins and Connection — All Connector Styles
12-Pin Locking Wire Crimp
10-Pin IDC (Only present on
models with Flying Lead)
PC Parallel Port
P1
P2
Pin 11
Pin 12
Pin 4
Pin 5
Pin 7
Pin 7
Pin 10
Pin 8
Pin 6
Pin 10
Pin 9
Pin 8
A
A
A
B
B
B
C
C
C
D
D
D
E
E
E
*
*
*
2 3 4
15 18 - 25
Comm GND
MISO
SPI Clock
SPI Chip Select
MOSI
+5 VDC ONLY used
for IMS MD-CC300-000
Logic Level Shifting Circuit
Only required if using
a 3.3 volt output parallel port.
See Schematic on Following
Page
WARNING! The
Parallel/SPI Port on
your PC must be set
to one of the following:
output only
bi-directional 1.
EPP (Extended Parallel 2.
Port)
Try the SPI connection using the
default parallel port setting first.
If necessary, the Parallel/SPI
port may be configured in the
bios of your PC.