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AN
‐
160
Rev.
C
HOLT
INTEGRATED
CIRCUITS
4
Evaluation
Board
Block
Diagram
MC9S12XD
16 Bit MCU
HOLT
HI-3593
SPI (4)
R1INT, R2INT, MB1-1, MB2-1
RS-232 Console
USB Debug Port
LEDs (10)
User Push
Button
Switches (4)
Dip SWs
(4)
Dip SWs (6)
Expansion
Headers
(2x14) x 2
RESET Button
Transmitter
Receiver-2
Receiver-1
+3.3V
ARINC TX BUS
ARINC RX BUS
ARINC RX BUS
Single Supply
+3.3V
DC / DC
Converter
MR
4MHz
OSC
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