MC3PHAC Motorola, MC3PHAC Datasheet - Page 26

• Manufacturer Part Number: MC3PHAC
• Description: 3-Phase AC Motor Controller
• Manufacturer: Motorola

MC3PHAC/D
26
Notes:
1. If no external fault circuit is provided, connect to V
2. Use bypass capacitors placed close to the MC3PHAC.
3. Consult crystal/resonator manufacturer for component values.
22 pF
22 pF
RESET
NOTE 3
10 M
+5 V
+5 V
Figure 13. MC3PHAC Configuration for Using a PC as a Master
10 k
0.1 F
10 k
The most popular master implementation is a PC, where a graphical user
interface (GUI) has been layered on top of the PC master software command
protocol, complete with a graphical data display, and an ActiveX interface.
Figure 13
beyond the scope of this document to describe the PC master software protocol
or its implementation on a personal computer. For further information on these
topics, refer to other Motorola documents relating to the PC master software
protocol and availability of PC master host software.
0.1 F
NOTE 2
+5 A
A
Freescale Semiconductor, Inc.
For More Information On This Product,
10
12
13
14
11
1
2
3
4
5
6
7
8
9
V
RESET
V
V
OSC2
OSC1
PLLCAP
PWMPOL_BASEFREQ
PWM_U_TOP
PWM_U_BOT
PWM_V_TOP
PWM_V_BOT
PWM_W_TOP
PWM_W_BOT
REF
DDA
SSA
shows the MC3PHAC configured in PC master software mode. It is
3-Phase AC Motor Controller
Go to: www.freescale.com
MC3PHAC
VBOOST_MODE
PWMFREQ/RxD
DT_FAULTOUT
RETRY/TxD
SS
RBRAKE
DC_BUS
FAULTIN
MUX_IN
SPEED
ACCEL
START
.
FWD
V
V
DD
SS
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DATA TO PC
+ 5
NOTE 2
NOTE 1
DATA FROM PC
10 k
OR NON-ISOLATED
RS232 INTERFACE
560
FAULT LED
FROM DIVIDED DC BUS
TO RESISTIVE BRAKE DRIVER
FROM SYSTEM FAULT
DETECTION CIRCUIT
ISOLATED
+5 V
CONNECTION
TO HOST
MOTOROLA