MPC8544VTALF Freescale Semiconductor, MPC8544VTALF Datasheet - Page 978

• Manufacturer Part Number: MPC8544VTALF
• Description: MPU POWERQUICC III 783-PBGA
• Manufacturer: Freescale Semiconductor

Specifications of MPC8544VTALF

• Processor Type: MPC85xx PowerQUICC III 32-Bit
• Speed: 667MHz
• Voltage: 1V
• Mounting Type: Surface Mount
• Package / Case: 783-FCPBGA
• Processor Series: MPC85xx
• Core: e500
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 667 MHz
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Data Ram Size: 32 KB
• I/o Voltage: 1.8 V, 3.3 V
• Interface Type: I2C, HSSI, DUART
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

DMA Controller
Figure 16-25
16-36
Current list descriptor Address Register
describes the DMA transaction flow.
MPC8544E 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
Finish
Start