MC908MR8MPE Freescale Semiconductor, MC908MR8MPE Datasheet - Page 11
MC908MR8MPE
Manufacturer Part Number
MC908MR8MPE
Description
IC MCU 8BIT 8K FLASH 28-PDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MCHC908MR8VFAE.pdf
(372 pages)
Specifications of MC908MR8MPE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM
Number Of I /o
12
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 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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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
11
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