Keithley 7001

Theory of Operation
6-6
Figure 6-3
Backplane interface simplified schematic
PB6
Control Line
SP CLK
SP TXD
PA0
PA1
RCLK2
TCLK2
SP RXD
PB2
PB10
PB11
Relay CLK
Relay Data
ID CLK
Relay CLK1
Relay Data 1
ID CLK1
+5V
ID Data
Strobe 1
Enable
I/O Data
R/W
CS 1
Relay CLK2
Relay Data 2
ID CLK2
Strobe 2
CS 2
Glue Logic on Digital Board
CPU To Backplane
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