MPC8533EVTAQGA Freescale Semiconductor, MPC8533EVTAQGA Datasheet - Page 972

• Manufacturer Part Number: MPC8533EVTAQGA
• Description: MPU POWERQUICC 783-PBGA
• Manufacturer: Freescale Semiconductor

Specifications of MPC8533EVTAQGA

• Processor Type: MPC85xx PowerQUICC III 32-Bit
• Speed: 1.0GHz
• Voltage: 0.95 V ~ 1.05 V
• Mounting Type: Surface Mount
• Package / Case: 783-BBGA, FCBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

DMA Controller
Figure 16-25
16-36
Current list descriptor Address Register
describes the DMA transaction flow.
MPC8533E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
List Descriptor
List Descriptor
List Descriptor
Descriptors In Memory
Link Descriptor (EOLND/EOLSD)
Link Descriptor (EOLND)
Link Descriptor (EOLND)
.
.
.
.
Link Descriptor
.
Link Descriptor
Link Descriptor
.
.
Link Descriptor
Link Descriptor
Link Descriptor
Figure 16-25. DMA Transaction Flow with DMA Descriptors
DMA Controller Flow (Extended Mode)
MR n [CS] is set by software after programming
descriptors in memory
Fetch the first list descriptor using the CLSDAR n address
Write NLSDAR n , CLNDAR n
Fetch the first link descriptor
Write programming model registers
Begin DMA transfer using SAR n , SATR n , DAR n , DATR n
After transfer check if NLNDAR n [EOLND] is set
Move NLNDAR n to CLNDAR n
Fetch the current link descriptor
Write programming model registers
Begin DMA transfer using SAR n , SATR n , DAR n , DATR n
After DMA transfer check if NLNDAR n [EOLND] is set
Check if NLSDAR n [EOLSD] is set
Move NLSDAR n to CLSDAR n
Fetch the current list descriptor
Write NLSDAR n , CLNDAR n
Move NLNDAR n to CLNDAR n
Fetch the first link descriptor
Write programming model registers
Begin DMA transfer using SAR n , SATR n , DAR n , DATR n
After DMA transfer check if NLNDAR n [EOLND] is set
Move NLNDAR n to CLNDAR n
Fetch the current link descriptor
Write programming model registers
Begin DMA transfer using SAR n , SATR n , DAR n , DATR n
After DMA transfer check if NLNDAR n [EOLND] is set
Check if NLSDAR n [EOLSD] is set
Move NLSDAR n to CLSDAR n
Fetch the current list descriptor
Write NLSDAR n , CLNDAR n
Fetch the first link descriptor
Write programming model registers
Begin DMA transfer using SAR n , SATR n , DAR n , DATR n
After DMA transfer check if NLNDAR n [EOLND] is set
Move NLNDAR n to CLNDAR n
Fetch the current link descriptor
Write programming model registers
Begin DMA transfer using SAR n , SATR n , DAR n , DATR n
After DMA transfer check if NLNDAR n [EOLND] is set
Check if NLSDAR n [EOLSD] is set
Clear SR n [CB]
DMA Transfer Complete
Freescale Semiconductor
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