MPC8313ECZQADDC Freescale Semiconductor, MPC8313ECZQADDC Datasheet - Page 1070
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MPC8313ECZQADDC
Manufacturer Part Number
MPC8313ECZQADDC
Description
Microprocessors - MPU 8313 REV2.2 PB ENC EXT
Manufacturer
Freescale Semiconductor
Datasheet
1.MPC8313CZQADDC.pdf
(1214 pages)
Specifications of MPC8313ECZQADDC
Processor Series
MPC8313E
Core
e300
Data Bus Width
16 bit
Maximum Clock Frequency
133 MHz
Program Memory Size
16 KB
Data Ram Size
16 KB
Interface Type
I2C
Mounting Style
SMD/SMT
Package / Case
PBGA
Number Of Programmable I/os
32
Number Of Timers
4
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Universal Serial Bus Interface
16.8.3.6.2
16.8.4
The device queue head (dQH) points to the linked list of transfer tasks, each depicted by the device
Transfer Descriptor (dTD). An area of memory pointed to by ENDPOINTLISTADDR contains a group of
all dQH’s in a sequential list as shown in
receive endpoints (OUT/SETUP) and the odd elements are used for transmit endpoints (IN/INTERRUPT).
Device transfer descriptors are linked head to tail starting at the queue head and ending at a terminate bit.
Once the dTD has been retired, it will no longer be part of the linked list from the queue head. Therefore,
16-142
ENDPOINTLISTADDR
32 Elements
Managing Queue Heads
1
2
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Priming an endpoint towards the end of (micro)frame N-1 will not guarantee
delivery in (micro)frame N. The delivery may actually occur in
(micro)frame N+1 if device controller does not have enough time to
complete the prime before the SOF for packet N is received.
Isochronous Endpoint Bus Response Matrix
Zero Length Packet.
Force Bit Stuff Error.
Up to
Invalid
Setup
Ping
Out
In
Table 16-90. Isochronous Endpoint Bus Response Matrix
NULL
STALL
Ignore
Ignore
Ignore
Endpoint QH 0—Out
Endpoint QH 1—Out
Stall
Endpoint QH 0—In
Figure 16-64. Endpoint Queue Head Diagram
1
Packet
Endpoint Queue Heads
•
•
•
NULL Packet
Figure
Not Primed
STALL
Ignore
Ignore
Ignore
CAUTION
16-64. The even elements in the list of dQH’s are used for
Transmit
Receive
Primed
STALL
Ignore
Ignore
Transfer
Pointer
Buffer
Transfer Buffer Pointer
Endpoint Transfer Descriptor
Transfer Buffer Pointer
Underflow
BS Error
Ignore
Ignore
N/A
N/A
Transfer
Buffer
2
Drop Packet
Transfer
Buffer
Overflow
Transfer Buffer Pointer
Ignore
Ignore
N/A
N/A
Freescale Semiconductor
Transfer
Transfer
Buffer
Buffer
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