MCF5307FT66B Freescale Semiconductor, MCF5307FT66B Datasheet - Page 273

• Manufacturer Part Number: MCF5307FT66B
• Description: IC MPU 32BIT COLDF 66MHZ 208FQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF530xr

Specifications of MCF5307FT66B

• Core Processor: Coldfire V3
• Core Size: 32-Bit
• Speed: 66MHz
• Connectivity: EBI/EMI, I²C, UART/USART
• Peripherals: DMA, POR, WDT
• Number Of I /o: 16
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 208-FQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

11.5.6 Initialization Code
The following assembly code initializes the SDRAM example.
move.w
move.w
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
move.l
register
move.l
Power-Up Sequence:
Precharge Sequence:
Refresh Sequence:
Mode Register Initialization Sequence:
#0x8026, d0
d0, DCR
#0xFF880300, d0
d0, DACR0
#0x00740075, d0
d0, DMR0
#0xFF880308, d0
d0, DACR0
#0xBEADDEED, d0
d0, 0xFF880000
#0xFF888300, d0
d0, DACR0
#0x00600075, d0
d0, DMR0
#0xFF888340, d0
d0, DACR0
#0x00000000, d0
d0, 0xFF800800
Chapter 11. Synchronous/Asynchronous DRAM Controller Module
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//Initialize DCR
//Initialize DACR0
//Initialize DMR0
//Set DACR0[IP]
//Write to memory location to init. precharge
//Enable refresh bit in DACR0
//Mask bit 19 of address
//Enable DACR0[IMRS]; DACR0[RE] remains set
//Access
SDRAM
address
to
initialize
SDRAM Example
11-39
mode