MCF5253VM140J Freescale Semiconductor, MCF5253VM140J Datasheet - Page 127

• Manufacturer Part Number: MCF5253VM140J
• Description: IC MCU 2.1MIPS 140MHZ 225MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF525xr

Specifications of MCF5253VM140J

• 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: -20°C ~ 70°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

Refresh Sequence:
Mode Register Initialization Sequence:
Freescale Semiconductor
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
#0xFF889220, d0
d0, DACR0
#0x00600075, d0
d0, DMR0
#0xFF889260, d0
d0, DACR0
#0x00000000, d0
d0, 0xFF801000
#0x00740075, d0
d0, DMR0
MCF5253 Reference Manual, Rev. 1
//Access SDRAM address to initialize mode register
//Enable DACR0[IMRS]; DACR0[RE] remains set
//Enable refresh bit in DACR0
//Mask bit 19 of address
Synchronous DRAM Controller Module
//Set up DMR again
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