MCF51AC256BCLKER Freescale Semiconductor, MCF51AC256BCLKER Datasheet - Page 37

• Manufacturer Part Number: MCF51AC256BCLKER
• Description: MCU 32BIT 256K FLASH 80-LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51ACr

Specifications of MCF51AC256BCLKER

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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