MC56F8257MLH Freescale Semiconductor, MC56F8257MLH Datasheet - Page 603

• Manufacturer Part Number: MC56F8257MLH
• Description: DSC 64K FLASH 60MHZ 64-LQFP
• Manufacturer: Freescale Semiconductor
• Series: 56F8xxxr

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

Address: HFM_SECH – F400h base + 3h offset = F403h
20.2.4 HFM Security Register Low (HFM_SECL)
This read-only register stores flash security-related information. It is initialized at reset
using the SECL_VALUE from the flash configuration field.
Address: HFM_SECL – F400h base + 4h offset = F404h
Freescale Semiconductor
Reset
Reset
Read
Read
Write
Write
SECSTAT
Bit
Bit
Reserved
Reserved
KEYEN
13–0
15–2
Field
Field
SEC
1–0
15
14
15
15
0
0
14
14
0
0
Enable Back-Door Key to Security
0
1
Flash Security Status
0
1
This read-only bitfield is reserved and always has the value zero.
This read-only bitfield is reserved and always has the value zero.
Memory Security Bits
Back door to flash memory is disabled.
Back door to Flash memory is enabled.
Flash security is disabled.
Flash security is enabled.
13
13
0
0
12
12
0
0
MC56F825x/4x Reference Manual, Rev. 2, 10/2010
11
11
0
0
HFM_SECH field descriptions
HFM_SECL field descriptions
Table continues on the next page...
10
10
0
0
0
0
9
9
Preliminary
0
0
0
8
8
Description
Description
0
0
7
7
0
0
0
6
6
0
0
5
5
Chapter 20 Flash Memory (HFM)
0
0
4
4
0
0
3
3
0
0
2
2
0
0
1
1
SEC
0
0
0
0
603