MC9S12HY64 Datasheet, PDF (705/792 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

Motor Controller (MC10B8CV1)
19.4.1.3.4 Relationship Between RECIRC Bit, S Bit, MCOM Bits, PWM State, and Output
Transistors
Please refer to Figure 19-16 for the output transistor assignment.
V_DDM
T1
T3
MnCyP
T2
MnCyM
T4
V_SSM
Figure 19-16. Output Transistor Assignment
Table 19-13 illustrates the state of the output transistors in different states of the PWM motor controller
module. ‘—’ means that the state of the output transistor is not controlled by the motor controller.
Table 19-13. State of Output Transistors in Various Modes
Mode
Off
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
MCOM[1:0]
Don’t care
00
00
01
01
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
10 or 11
PWM Duty
—
Active
Passive
Active
Passive
Active
Passive
Active
Passive
Active
Passive
Active
Passive
RECIRC
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
0
0
0
0
1
1
1
1
S
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
0
0
1
1
0
0
1
1
T1
—
—
—
OFF
ON
ON
ON
OFF
ON
ON
OFF
OFF
OFF
T2
—
—
—
ON
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
ON
T3
—
OFF
ON
—
—
OFF
ON
ON
ON
OFF
OFF
ON
OFF
T4
—
ON
OFF
—
—
ON
OFF
OFF
OFF
ON
ON
OFF
ON
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Freescale Semiconductor
705