MC56F8257MLH Freescale Semiconductor, MC56F8257MLH Datasheet - Page 526

• 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

Functional Description
value, it can only be altered by a chip reset which restores its default non-locked value.
While a protection control remains set to non-locked values, it can be re-written to any
new value.
Address: OCCS_PROT – F120h base + 7h offset = F127h
15.6 Functional Description
Possible clock source choices are:
526
Reset
Read
Write
• Internal relaxation oscillator
Bit
Reserved
OSCEP
FRQEP
PLLEP
15–6
Field
5–4
3–2
1–0
15
0
14
0
This read-only bitfield is reserved and always has the value zero.
Frequency Enable Protection
Enables write protection of the COD and ZSRC registers.
00
01
10
11
Oscillator Enable Protection
Enables write protection of the OSCTL and PRECS registers.
00
01
10
11
PLL Enable Protection
Enables write protection of the PLLPDN, LOCIE, LORTP registers. By write protecting these registers
(PLLPD=0, LOCIE=1) the Loss of Reference detector can not be disabled.
00
01
10
11
13
Write protection off (default)
Write protection on
Write protection off and locked until chip reset
Write protection on and locked until chip reset
Write protection off (default)
Write protection on
Write protection off and locked until chip reset
Write protection on and locked until chip reset
Write protection off (default)
Write protection on
Write protection off and locked until chip reset
Write protection on and locked until chip reset
0
12
0
MC56F825x/4x Reference Manual, Rev. 2, 10/2010
11
0
OCCS_PROT field descriptions
0
10
0
0
9
Preliminary
0
8
Description
0
7
0
6
0
5
FRQEP
0
4
0
3
OSCEP
Freescale Semiconductor
0
2
0
1
PLLEP
0
0