MCF5253CVM140 Freescale Semiconductor, MCF5253CVM140 Datasheet - Page 203

• 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

13.1.2
IDE_DIOR and IDE_DIOW are created by gating CS2 with RW.
IDE_DIOR is programmable to go active on write cycles. It therefore can be used as an extra Chip Select
(CS2), if required.
Freescale Semiconductor
DIOR on write
bufen1cs3en
bufen2cs1en
bufen2cs2en
bufen2cs3en
cs3post
cs3pre
24–22
26–25
Field
N/A
18
19
20
21
27
28
Generation of IDE_DIOR and IDE_DIOW
0 BUFENB1 inactive on CS3 cycles
1 BUFENB1 active on CS3 cycles
0 BUFENB2 inactive on CS1 cycles
1 BUFENB2 active on CS1 cycles
0 BUFENB2 inactive on IDE_DIOR, IDE_DIOW cycles
1 BUFENB2 active on IDE_DIOR, IDE_DIOW cycles
0 BUFENB2 inactive on CS3 cycles
1 BUFENB2 active on CS3 cycles
Pre-drive for CS3
000 no predrive
001 1 clock
010 2 clocks
011 3 clocks
100 4 clocks
101 5 clocks
Post-drive for CS3
00 no post-drive
01 1 clock post-drive
10 2 clock post drive
11 3 clock post drive
0 IDE_DIOR not active during write cycles
1 IDE_DIOR active during write cycles
N/A
Table 13-2. IDEConfig1 Register Field Descriptions (continued)
MCF5253 Reference Manual, Rev. 1
Description
IDE and Flash Media Interface
Res
0
0
0
0
0
0
0
0
13-5