MCF5253CVM140 Freescale Semiconductor, MCF5253CVM140 Datasheet - Page 186

• Manufacturer Part Number: MCF5253CVM140
• Description: IC MPU 32BIT 140MHZ 225-MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF525xr

Specifications of MCF5253CVM140

• 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
• Family Name: MCF5xxx
• Device Core: ColdFire V2
• Device Core Size: 32b
• Frequency (max): 140MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.2/3.3V
• Operating Supply Voltage (max): 1.32/3.6V
• Operating Supply Voltage (min): 1.08/3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 225
• Package Type: MA-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Compliant

Chip Select Module
10.4.2.4
The following code provides an example of how to initialize the chip-selects.
CSAR0 EQU MBARx+$080
CSMR0 EQU MBARx+$084
CSCR0 EQU MBARx+$08A
CSAR1 EQU MBARx+$08C
CSMR1 EQU MBARx+$090
CSCR1 EQU MBARx+$096
; All other chip selects should be programmed and made valid before global
; chip select is de-activated by validating CS0
; Program Chip Select 1 Registers
move.l #$00000000,D0
move.l D0,CSAR1
move.w #$09B0,D0
move.w D0,CSCR1
move.l #801F0001,D0
move.l D0,CSMR1
;Program Chip Select 0 Registers
move.l #$00800000,D0
move.l D0,CSAR0
move.w #$0D80,D0;CSCR0 = 3 wait states, AA=1, PS=16-bit, BEM=0,
move.w D0,CSCR0
; Program Chip Select 0 Mask Register (validate chip selects)
move.l #001F0001,D0
move.l D0,CSMR0;WP,EM,C/I,SC,SD,UC,UD=0; V=1
10-10
Code Example
;Chip Select 0 address register
;Chip Select 0 mask register
;Chip Select 0 control register
;Chip Select 1 address register
;Chip Select 1 mask register
;Chip Select 1 control register
;CSAR1 base addresses $00000000 (to $001FFFFF)
;and $80000000 (to $801FFFFF)
;CSCR1 = 2 wait states, AA=1, PS=16-bit, BEM=1,
;BSTR=1, BSTW=0
;Address range from $00000000 to $001FFFFF and
;$80000000 to $801FFFFF
;WP,EM,C/I,SC,SD,UC,UD=0, V=1
;CSAR0 base address $00800000 (to $009FFFFF)
;BSTR=0, BSTW=0
;Address range from $00800000 to $009FFFFF
MCF5253 Reference Manual, Rev. 1
Freescale Semiconductor