MC908MR8MPE Freescale Semiconductor, MC908MR8MPE Datasheet - Page 178
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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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Pulse-Width Modulator for Motor Control
Technical Data
178
NOTE:
NOTE:
NOTE:
NOTE:
SEL12 — Top/Bottom Correction Bit for PWM Pair 1 (PWMs 1 and 2)
When reading this bit, the value read is the buffer value (not necessarily
the value the output control block is currently using).
SEL34 — Top/Bottom Correction Bit for PWM Pair 2 (PWMs 3 and 4)
When reading this bit, the value read is the buffer value (not necessarily
the value the output control block is currently using).
SEL56 — Top/Bottom Correction Bit for PWM Pair 3 (PWMs 5 and 6)
When reading this bit, the value read is the buffer value (not necessarily
the value the output control block is currently using).
PRSC1:PRSC0 — PWM Prescaler Bits
When reading these bits, the value read is the buffer value (not
necessarily the value the PWM generator is currently using).
Pulse-Width Modulator for Motor Control (PWMMC)
This buffered read/write bit selects which PWM value register is used
for PWM pins 1 and 2 in complementary mode.
This buffered read/write bit selects which PWM value register is used
for PWM pins 3 and 4 in complementary mode.
This buffered read/write bit selects which PWM value register is used
for PWM pins 5 and 6 in complementary mode.
These buffered read/write bits allow the PWM clock frequency to be
modified as shown in
1 = Use PWM value register 2.
0 = Use PWM value register 1.
1 = Use PWM value register 4.
0 = Use PWM value register 3.
1 = Use PWM value register 6.
0 = Use PWM value register 5.
PRSC1:PRSC0
Prescaler Bits
00
01
10
11
Table 9-6. PWM Prescaler
Table
9-6.
PWM Clock Frequency
f
f
f
OP
OP
OP
f
OP
MC68HC908MR8 — Rev 4.1
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Freescale Semiconductor
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