MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 449

• Manufacturer Part Number: MCF51EM256CLL
• Description: IC MCU 32BIT 256KB FLASH 100LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51EMr

Specifications of MCF51EM256CLL

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LCD, LVD, PWM, WDT
• Number Of I /o: 63
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 16x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Processor Series: MCF51EM
• Core: ColdFire V1
• Data Bus Width: 32 bit
• Data Ram Size: 16 KB
• Interface Type: RS-232, LIN
• Maximum Clock Frequency: 50 MHz
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Development Tools By Supplier: DEMOEM
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

20.1.3
20.2
There are no CRC signals that connect off chip.
20.3
20.3.1
Freescale Semiconductor
Figure 20-1
(offset=0)
(offset=1)
CRCH
CRCL
Name
External Signal Description
Register Definition
Block Diagram
Memory Map
W
W
R
R
provides a block diagram of the CRC module.
15
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
15
Figure 20-1. Cyclic Redundancy Check (CRC) Module Block Diagram
Bit 15
Bit 7
CRC High Register (CRCH)
7
14
13
Bit 14
Bit 6
6
Table 20-1. CRC Register Summary
12
16-bit CRC Generator Circuit
Bit 13
Bit 5
5
11
8
......
Bit 12
Bit 4
4
6
5
7
Bit 11
Bit 3
3
CRC Low Register (CRCL)
4
Bit 10
Bit 2
3
2
Cyclic Redundancy Check (CRC)
2
Bit 9
Bit 1
1
1
0
0
Bit 8
Bit 0
0
20-3