MCF51AC256ACLKE Freescale Semiconductor, MCF51AC256ACLKE Datasheet - Page 37

• Manufacturer Part Number: MCF51AC256ACLKE
• Description: MCU 32BIT 256K FLASH CAN 80-LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51ACr

Specifications of MCF51AC256ACLKE

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: LVD, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 24x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-LQFP
• Processor Series: MCF51AC
• Core: ColdFire V1
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 50.33 MHz
• Number Of Programmable I/os: 69
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 24 Channel
• Controller Family/series: ColdFire
• No. Of I/o's: 69
• Ram Memory Size: 32KB
• Cpu Speed: 50.33MHz
• No. Of Timers: 2
• Embedded Interface Type: CAN, I2C, SCI, SPI
• Rohs Compliant: Yes
• Cpu Family: MCF51AC
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 50.33MHz
• Total Internal Ram Size: 32KB
• # I/os (max): 69
• Number Of Timers - General Purpose: 12
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2.13
This section provides details about program/erase times and program-erase endurance for the Flash
memory.
Program and erase operations do not require any special power sources other than the normal V
For more detailed information about program/erase operations, see
Freescale Semiconductor
(CPOL = 0)
(CPOL = 1)
(OUTPUT)
NOTE:
(INPUT)
(INPUT)
(INPUT)
(INPUT)
SPSCK
SPSCK
MISO
MOSI
1. Not defined but normally LSB of character just received
SS
Flash Specifications
NOTE
SEE
7
2
SLAVE
4
5
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.6
9
MSB IN
1
MSB OUT
Figure 16. SPI Slave Timing (CPHA = 0)
Figure 17. SPI Slave Timing (CPHA = 1)
6
4
12
11
10
BIT 6 . . . 1
BIT 6 . . . 1
SLAVE LSB OUT
11
12
3
Chapter 4,
LSB IN
“Memory.”
Electrical Characteristics
8
DD
supply.
37