AN2269 Freescale Semiconductor / Motorola, AN2269 Datasheet - Page 17

• Manufacturer Part Number: AN2269
• Description: Interconnecting MPC8260 and MSC8101 ADS Boards Using DMA Transfers Across a 60x Bus
• Manufacturer: Freescale Semiconductor / Motorola

Configure Memory Controller
Bank 6 and Option Registers
For Memory-Mapping HDI16
Send Reset Configuration
Word to HDI16 MSC8101
Set Host Flags 1 and 2
Control Register (ICR)
Store Tx Test Pattern
Host-Side Registers
Host-Side Interface
Load UPMA RAM
Host Flag 4 Set?
Configure HDI16
Array Pattern
in SDRAM
Start
Yes
No
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 6. Host MPC8260 Software Flow
Go to: www.freescale.com
Source Code Files, Software Flow, and Register Settings
Clear Destination Buffer
Enable External DMA
Compare Transmitted
Configure IDMA DPR
Clear Dual Port RAM
Configure Tx and Rx
Request Signals Via
DMA Channel BDs
and Received Test
Parallel I/O Ports
Clear Destination
DMA Channel
DMA Channel
Parameters
Is Rx DMA
Is Tx DMA
Complete?
Enable Tx
Complete?
Enable Rx
Channel
Channel
Patterns
Buffer
Yes
Yes
No
No
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