MPC8536E-ANDROID Freescale Semiconductor, MPC8536E-ANDROID Datasheet - Page 991
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MPC8536E-ANDROID
Manufacturer Part Number
MPC8536E-ANDROID
Description
HARDWARE/SOFTWARE ANDROID OS
Manufacturer
Freescale Semiconductor
Series
PowerQUICC ™r
Type
MPUr
Datasheets
1.MPC8536EBVTAVLA.pdf
(127 pages)
2.MPC8536EBVTAVLA.pdf
(2 pages)
3.MPC8536EBVTAVLA.pdf
(1706 pages)
Specifications of MPC8536E-ANDROID
Contents
Board
For Use With/related Products
MPC8536
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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15.2.2
Table 15-3
15.3
This section provides a detailed description of all accessible DMA memory and registers. The descriptions
include individual bit level descriptions and reset states of each register. Undefined 4-byte address spaces
within offset 0x000–0xFFF are reserved.
Table 15-4
programmable CCSRBAR together with the fixed DMA block base address and offset listed in
In this table and in the register figures and field descriptions, the following access definitions apply:
Freescale Semiconductor
DMA_DDONE n O DMA done. Indicates that a DMA transfer is complete
DMA_DACK n
DMA_DREQ n
DMA request
•
•
•
Signal
Reserved fields are always ignored for the purposes of determining access type.
R/W, R, and W (read/write, read only, and write only) indicate that all the non-reserved fields in a
register have the same access type.
w1c indicates that all of the non-reserved fields in a register are cleared by writing ones to them.
Memory Map/Register Definition
lists the DMA registers and their offsets. Note that the full register address is comprised of the
describes the DMA signals.
Detailed Signal Descriptions
I/O
O DMA acknowledge. Indicates that a DMA transfer is currently in progress
I DMA request. Indicates the start of a DMA transfer or a restart from a paused request. Assertion of
DMA_DREQ n causes MR n [CS] to be set, thereby activating the corresponding DMA channel.
Meaning
Meaning
Meaning
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
Timing Assertion—Can be asserted asynchronously
Timing Assertion—Asynchronous assertion; asserted for more than three system clocks
Timing Assertion—Always asserts asynchronously after the negation of the final DMA_DACK n to
State
State
State
Table 15-3. DMA Signals—Detailed Signal Descriptions
Asserted—Assertion of DMA_DREQ n while DMA_DACK n is negated causes a new transfer
Negated—Negation while DMA_DACK n is asserted has no effect. Negation before the
Negation— Must remain asserted at least until the assertion of the corresponding
Asserted—Indicates that a DMA transfer is currently in progress. Asserted after the assertion
Negated—Negated after finishing a complete transfer or after entering a paused state if
Negation—Asynchronous negation; negated for more than three system clocks
Asserted—Indicates transfer completion. SRn[CB] is clear. Note, however, that write data may
Negated—Indicates that the current transfer is in process
Negation—Negated asynchronously after the assertion of DMA_DREQ n for the next transfer
to start OR resumes a paused transfer if the EMP_EN bit is set. Assertion while
DMA_DACK n is asserted results in an illegal condition.
assertion of DMA_DACK n results in an illegal condition.
DMA_DACK n
of DMA_DREQ n to indicate the start of a transfer
MR n [EMP_EN] is set
still be queued at the target interface or in the process of transfer on an external
interface.
indicate completion of a transfer. For a paused transfer, DMA_DDONE n is asserted
asynchronously after the negation of the final DMA_DACK n .
Description
DMA Controller
Table
15-4.
15-5
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