MCF51AC256ACLKE Freescale Semiconductor, MCF51AC256ACLKE Datasheet - Page 35
![MCU 32BIT 256K FLASH CAN 80-LQFP](/photos/37/62/376253/lqfp80_sml.jpg)
MCF51AC256ACLKE
Manufacturer Part Number
MCF51AC256ACLKE
Description
MCU 32BIT 256K FLASH CAN 80-LQFP
Manufacturer
Freescale Semiconductor
Series
MCF51ACr
Datasheet
1.MCF51AC128CCFUE.pdf
(50 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF51AC256ACLKE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Freescale Semiconductor
(CPOL = 0)
(CPOL = 1)
(CPOL = 1)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(CPOL = 0)
(OUTPUT)
(OUTPUT)
NOTES:
(OUTPUT)
(OUTPUT)
(INPUT)
(INPUT)
SPSCK
SPSCK
SPSCK
NOTES:
SPSCK
MISO
MISO
MOSI
MOSI
1. SS output mode (DDS7 = 1, SSOE = 1).
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
1. SS output mode (DDS7 = 1, SSOE = 1).
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
SS
SS
(1)
1
PORT DATA
9
2
5
9
2
MSB IN
4
MSB OUT
5
MASTER MSB OUT
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.6
MSB IN
2
1
6
4
2
Figure 14. SPI Master Timing (CPHA = 0)
(2)
Figure 15. SPI Master Timing (CPHA =1)
6
4
1
(2)
4
BIT 6 . . . 1
9
12
11
BIT 6 . . . 1
10
BIT 6 . . . 1
BIT 6 . . . 1
LSB IN
12
11
MASTER LSB OUT
LSB OUT
LSB IN
12
11
3
10
Electrical Characteristics
3
PORT DATA
35