S3S12HZ256J3CAA FREESCALE [Freescale Semiconductor, Inc], S3S12HZ256J3CAA Datasheet - Page 279

• Manufacturer Part Number: S3S12HZ256J3CAA
• Description: HCS12 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

9.4.1.3.4
Please refer to
Table 9-12
module. ‘—’ means that the state of the output transistor is not controlled by the motor controller.
Freescale Semiconductor
Half H-Bridge
Half H-Bridge
Half H-Bridge
Half H-Bridge
(Dual) Full
(Dual) Full
(Dual) Full
(Dual) Full
(Dual) Full
(Dual) Full
(Dual) Full
(Dual) Full
Mode
Off
illustrates the state of the output transistors in different states of the PWM motor controller
Figure 9-16
Relationship Between RECIRC Bit, S Bit, MCOM Bits, PWM State, and Output
Transistors
MCOM[1:0]
Don’t care
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
00
00
01
01
Table 9-12. State of Output Transistors in Various Modes
for the output transistor assignment.
Figure 9-16. Output Transistor Assignment
PWM Duty
Passive
Passive
Passive
Passive
Passive
Passive
Active
Active
Active
Active
Active
Active
MC9S12HZ256 Data Sheet, Rev. 2.04
V
V
—
DDM
SSM
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
RECIRC
T1
0
0
0
0
1
1
1
1
T2
MnCyP
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
S
0
0
1
1
0
0
1
1
Chapter 9 Motor Controller (MC10B8CV1)
OFF
OFF
OFF
OFF
OFF
MnCyM
ON
ON
ON
ON
ON
T1
—
—
—
T4
T3
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
T2
—
—
—
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
T3
—
—
—
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
T4
—
—
—
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