mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 154

• Manufacturer Part Number: mc68hc708mp16
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Pulse Width Modulator for Motor Control (PWMMC)
9.6.3.2 Automatic Correction
Technical Data
154
The current sense pin, ISx, for a PWM pair selects either the odd or the
even PWM value registers to use in the next PWM cycle. The selection
is based on user-provided current sense circuitry driving the ISx pin high
for negative current and low for positive current.
Pulse Width Modulator for Motor Control (PWMMC)
Pin
IS1
IS2
IS3
PWM1
PWM2
Table 9-6. Top/Bottom Current-Sense Correction
Logic State
0
1
0
1
0
1
CURRENT
POSITIVE
NEGATIVE
CURRENT
Figure 9-22. DTx bits
VOLTAGE
SENSOR
PMVAL1 controls PWM1/PWM2 pair
PMVAL2 controls PWM1/PWM2 pair
PMVAL3 controls PWM3/PWM4 pair
PMVAL4 controls PWM3/PWM4 pair
PMVAL5 controls PWM5/PWM6 pair
PMVAL6 controls PWM5/PWM6 pair
IS1 PIN
Output Control
MC68HC708MP16
PWM1
PWM2
Freescale Semiconductor
D
D
CLK
CLK
Q
Q
—
Rev. 3.1
DT1
DT2