KTFRDM17C724UG, Rev. 1.0
6
Freescale Semiconductor, Inc.
Getting to Know the Hardware
3.5 Board Description
This evaluation board consists mainly of an MPC17C724. The following sections describe the additional hardware used to support the
dual H-Bridge driver.
Figure 2. Board Description
Table 2. Board Description
Name
Description
U1
MPC17C724 H-Bridge motor drive IC
F1
Over current Protection Fuse
D4
User defined LED output
OUT1A
Output 1A Connect motor phase 1 lead to this terminal
OUT1B
Output 1B Connect motor phase 1 lead to this terminal
OUT2A
Output 2A Connect motor phase 2 lead to this terminal
OUT2B
Output 2B Connect motor phase 2 lead to this terminal
CRES
Charge Pump Voltage
VM
Power Supply Input
GND
Ground Terminal
SNS
Not used – connection to FRDM-KL25Z input
ANL
Not used – connection to FRDM-KL25Z input
GND
Ground Terminal
MPC17C724
LED output
Protection Fuse
OUT1A
OUT1B
OUT2A
OUT2B
Charge Pump Voltage
Power Supply Input
Not Used
Ground
CONNECT PHASE 1
OF STEPPER TO
THESE TERMINALS
CONNECT PHASE 2
OF STEPPER TO
THESE TERMINALS
Ground
Not Used
