MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 15
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MCF5282CVF80J
Manufacturer Part Number
MCF5282CVF80J
Description
IC MPU 512K FLASH 256MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF528xr
Datasheet
1.MCF5216CVM66J.pdf
(766 pages)
Specifications of MCF5282CVF80J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
80MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, SPI, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
150
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
256-MAPBGA
Processor Series
MCF528x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5282-KIT
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5282CVF80J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- Current page: 15 of 766
- Download datasheet (9Mb)
15.3 SDRAM Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-18
16.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-1
16.2 DMA Request Control (DMAREQC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-2
16.3 DMA Transfer Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-4
16.4 DMA Controller Module Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-4
16.5 DMA Controller Module Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-11
Freescale Semiconductor
15.2.1 DRAM Controller Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-4
15.2.2 Memory Map for SDRAMC Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-4
15.2.3 General Synchronous Operation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . 15-9
15.2.4 Initialization Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-17
15.3.1 SDRAM Interface Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-20
15.3.2 DCR Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-20
15.3.3 DACR Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-20
15.3.4 DMR Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-22
15.3.5 Mode Register Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-23
15.3.6 Initialization Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-23
16.1.1 DMA Module Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-2
16.4.1 Source Address Registers (SAR0–SAR3) . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-5
16.4.2 Destination Address Registers (DAR0–DAR3) . . . . . . . . . . . . . . . . . . . . . . . . 16-6
16.4.3 Byte Count Registers (BCR0–BCR3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-7
16.4.4 DMA Control Registers (DCR0–DCR3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-7
16.4.5 DMA Status Registers (DSR0–DSR3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-10
16.5.1 Transfer Requests (Cycle-Steal and Continuous Modes) . . . . . . . . . . . . . . . 16-11
16.5.2 Data Transfer Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-12
16.5.3 Channel Initialization and Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-12
16.5.4 Data Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-13
16.5.5 Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-14
15.2.2.1 DRAM Control Register (DCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-4
15.2.2.2 DRAM Address and Control Registers (DACR0/DACR1) . . . . . . . . 15-6
15.2.2.3 DRAM Controller Mask Registers (DMR0/DMR1) . . . . . . . . . . . . . . 15-8
15.2.3.1 Address Multiplexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-9
15.2.3.2 SDRAM Byte Strobe Connections . . . . . . . . . . . . . . . . . . . . . . . . . 15-13
15.2.3.3 Interfacing Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-13
15.2.3.4 Burst Page Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-13
15.2.3.5 Auto-Refresh Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-15
15.2.3.6 Self-Refresh Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-16
15.2.4.1 Mode Register Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-18
16.5.2.1 Dual-Address Transfers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-12
16.5.3.1 Channel Prioritization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-12
16.5.3.2 Programming the DMA Controller Module . . . . . . . . . . . . . . . . . . . 16-12
16.5.4.1 Auto-Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-13
16.5.4.2 Bandwidth Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-14
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
DMA Controller Module
Chapter 16
xv
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