MC56F8257MLH Freescale Semiconductor, MC56F8257MLH Datasheet - Page 229
![DSC 64K FLASH 60MHZ 64-LQFP](/photos/39/70/397081/lqfp-64_sml.jpg)
MC56F8257MLH
Manufacturer Part Number
MC56F8257MLH
Description
DSC 64K FLASH 60MHZ 64-LQFP
Manufacturer
Freescale Semiconductor
Series
56F8xxxr
Datasheets
1.TWR-56F8257.pdf
(88 pages)
2.MC56F8245VLD.pdf
(14 pages)
3.MC56F8245VLD.pdf
(2 pages)
4.MC56F8245VLD.pdf
(629 pages)
Specifications of MC56F8257MLH
Core Processor
56800E
Core Size
16-Bit
Speed
60MHz
Connectivity
CAN, I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Ram Size
4K x 16
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x12b, D/A 1x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
64-LQFP
Product
DSCs
Processor Series
56800E
Core
56800E
Device Million Instructions Per Second
60 MIPs
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
54
Data Ram Size
8 KB
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC56F8257MLH
Manufacturer:
MOTOLOLA
Quantity:
560
Company:
Part Number:
MC56F8257MLH
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- TWR-56F8257 PDF datasheet
- MC56F8245VLD PDF datasheet #2
- MC56F8245VLD PDF datasheet #3
- MC56F8245VLD PDF datasheet #4
- Current page: 229 of 629
- Download datasheet (4Mb)
Freescale Semiconductor
Reserved
Reserved
Reserved
LDMOD
DBLEN
PRSC
Field
6–4
7
3
2
1
0
These read only bits reflect the sampled values of the PWMX input at the end of each deadtime.
Sampling occurs at the end of deadtime 0 for DT[0] and the end of deadtime 1 for DT[1]. Reset clears
these bits.
This read-only bit is reserved and always has the value zero.
Prescaler
These buffered read/write bits select the divide ratio of the PWM clock frequency selected by
CTRL2[CLK_SEL].
Reading CTRL[PRSC] reads the buffered values and not necessarily the values currently in effect.
CTRL[PRSC] takes effect at the beginning of the next PWM cycle and only when the load okay bit,
MCTRL[LDOK], is set or CTRL[LDMOD] is set. This field cannot be written when MCTRL[LDOK] is set.
000
001
010
011
100
101
110
111
This read-only bit is reserved and always has the value zero.
Load Mode Select
This read/write bit selects the timing of loading the buffered registers for this submodule.
0
1
This read-only bit is reserved and always has the value zero.
Double Switching Enable
This read/write bit enables the double switching PWM behavior.
0
1
Buffered registers of this submodule are loaded and take effect at the next PWM reload if
MCTRL[LDOK] is set.
Buffered registers of this submodule are loaded and take effect immediately upon MCTRL[LDOK]
being set.
Double switching disabled.
Double switching enabled.
PWM clock frequency = fclk
PWM clock frequency = fclk/2
PWM clock frequency = fclk/4
PWM clock frequency = fclk/8
PWM clock frequency = fclk/16
PWM clock frequency = fclk/32
PWM clock frequency = fclk/64
PWM clock frequency = fclk/128
PWM_SM3CTRL field descriptions (continued)
MC56F825x/4x Reference Manual, Rev. 2, 10/2010
Preliminary
Chapter 7 Enhanced Flex Pulse Width Modulator (eFlexPWM)
Description
229
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