MCF5253CVM140J Freescale Semiconductor, MCF5253CVM140J Datasheet - Page 278

• Manufacturer Part Number: MCF5253CVM140J
• Description: IC MCU 2.1MIPS 140MHZ 225MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF525xr

Specifications of MCF5253CVM140J

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 140MHz
• Connectivity: CAN, EBI/EMI, I²C, QSPI, UART/USART, USB OTG
• Peripherals: DMA, WDT
• Program Memory Type: ROMless
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Data Converters: A/D 6x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 225-MAPBGA
• Processor Series: MCF525x
• Core: ColdFire V2
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

UART Modules
15-32
TxCHK
PLACE CHANNEL IN
SEND CHARACTER TO
LOCAL LOOPBACK
TRANSMITTER
CLEAR STATUS
TRANSMITTER
TRANXMITTER
CHARACTER
ENABLE
READY
CHCHK
MODEL
RECEIVED
WORD
IS
?
BEEN
HAS
A
?
Yes
Yes
Figure 15-24. UART Software Flowchart (2 of 5)
No
No
MCF5253 Reference Manual, Rev. 1
(NOTE: IN LOOPBACK MODE
TRANSMITTER MUST BE ENABLED.
(NOT RECEIVER)
TOO LONG
TOO LONG
WAITED
WAITED
?
?
No
No
Yes
Yes
NEVER-READY FLAG
SET TRANSMITTER-
NEVER-READY FLAG
SET RECEIVER-
Freescale Semiconductor
B