MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 492

• Manufacturer Part Number: MCF5270CAB100
• Description: MCU V2 COLDFIRE 64K SRAM 160-QFP
• Manufacturer: Freescale Semiconductor
• Series: MCF527xr

Specifications of MCF5270CAB100

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 100MHz
• Connectivity: EBI/EMI, Ethernet, I²C, SPI, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 39
• Program Memory Type: ROMless
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 160-QFP
• Processor Series: MCF527x
• Core: ColdFire V2
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Development Tools By Supplier: NNDK-MOD5272-KIT, NNDK-MOD5270-KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

I
25-18
2
C Interface
Dummy Read
Switch to
Rx Mode
from I2DR
Y
ADDR Cycle
Byte to I2DR
(Master RX)
Transmitted
Write Next
Last Byte
RXAK= 0
End of
?
?
?
Figure 25-14. Flow-Chart of Typical I
N
Y
N
STOP Signal
Generate
TX
Y
N
Set TXAK =1
TX/Rx
?
Y
Read Data
from I2DR
Byte to be
Byte to be
MCF5271 Reference Manual, Rev. 2
And Store
2nd Last
Read
Read?
RX
Last
N
N
?
STOP Signal
Generate
Y
Y
RTE
Master
Clear
Mode?
IIF
(Read)
Write Data
to I2DR
Set TX
Mode
Address
Cycle
2
N
C Interrupt Routine
N
Y
Dummy Read
from I2DR
Clear IAL
IAAS=1
Set RX
SRW=1
Mode
Y
?
?
N
(WRITE)
Tx Next
Byte
Y
Y
Y
Dummy Read
Arbitration
from I2DR
Switch to
ACK from
Receiver
Rx Mode
IAAS=1
Tx/Rx
Freescale Semiconductor
Lost?
?
?
?
N
TX
N
N
Read Data
from I2DR
Data
Cycle
and Store
RX