MCHC908MR8VFAE Freescale Semiconductor, MCHC908MR8VFAE Datasheet - Page 11

• Manufacturer Part Number: MCHC908MR8VFAE
• Description: IC MCU 8K FLASH 8MHZ PWM 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MCHC908MR8VFAE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 16
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 32-LQFP
• Processor Series: HC08MR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 4
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, M68CBL05CE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
8.10
8.11
8.11.1
8.11.2
8.11.3
8.11.4
9.1
9.2
9.3
9.4
9.4.1
9.4.2
9.5
9.5.1
9.5.2
9.6
9.6.1
9.6.2
9.6.3
9.6.4
9.7
9.7.1
9.7.1.1
9.7.1.2
9.7.1.3
9.7.2
9.7.3
9.8
9.9
9.10
9.11
Section 9. Pulse-Width Modulator for Motor Control
Acquisition/Lock Time Specifications . . . . . . . . . . . . . . . . . . . 134
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Timebase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
PWM Generators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Output Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Fault Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Initialization and the PWMEN Bit . . . . . . . . . . . . . . . . . . . . . . 169
PWM Operation in Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . 170
PWM Operation in Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . 170
PWM Operation in Break Mode . . . . . . . . . . . . . . . . . . . . . . .171
CGM During Break Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Acquisition/Lock Time Definitions. . . . . . . . . . . . . . . . . . . .134
Parametric Influences on Reaction Time . . . . . . . . . . . . . . 135
Choosing a Filter Capacitor . . . . . . . . . . . . . . . . . . . . . . . . 136
Reaction Time Calculation . . . . . . . . . . . . . . . . . . . . . . . . . 137
Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
Prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Load Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
PWM Data Overflow and Underflow Conditions. . . . . . . . . 152
Selecting Six Independent PWMs or Three Complementary
PWM Pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Dead-Time Insertion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Output Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Output Port Control Register . . . . . . . . . . . . . . . . . . . . . . .159
Fault Condition Input Pins . . . . . . . . . . . . . . . . . . . . . . . . . 164
Software Output Disable . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Output Port Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
Fault Pin Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Automatic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Table of Contents
(PWMMC)
Table of Contents
Technical Data
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