MCF5253VM140J Freescale Semiconductor, MCF5253VM140J Datasheet - Page 562
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MCF5253VM140J
Manufacturer Part Number
MCF5253VM140J
Description
IC MCU 2.1MIPS 140MHZ 225MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF525xr
Datasheets
1.MCF5253VM140J.pdf
(34 pages)
2.MCF5253VM140J.pdf
(8 pages)
3.MCF5253VM140J.pdf
(648 pages)
4.MCF5253VM140J.pdf
(2 pages)
Specifications of MCF5253VM140J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
140MHz
Connectivity
CAN, EBI/EMI, I²C, QSPI, UART/USART, USB OTG
Peripherals
DMA, WDT
Program Memory Type
ROMless
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
1.08 V ~ 1.32 V
Data Converters
A/D 6x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 70°C
Package / Case
225-MAPBGA
Processor Series
MCF525x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5253VM140J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Universal Serial Bus Interface
If (A.and. B.and. C.and. not(D)) then the host controller will execute a complete-split transaction. When
the host controller commits to executing the complete-split transaction, it updates QH[C-prog-mask] by
bit-ORing with cMicroFrameBit. On completion of the complete-split transaction, the host controller
records the result of the transaction in the queue head and sets QH[FrameTag] to the expected H-Frame
number. The effect to the state of the queue head and thus the state of the transfer depends on the response
by the transaction translator to the complete-split transaction. The following responses have the effects
(note that any responses that result in decrementing of the Cerr will result in the queue head being halted
by the host controller if the result of the decrement is zero):
24-100
•
•
•
•
Test D. Check to see if a start-split should be executed in this micro-frame. Note this is the same
test performed in the Do Start Split state. Whenever it evaluates to TRUE and the controller is NOT
processing in the context of a Recovery Path mode, it means a start-split should occur in this
micro-frame. Test D and Test A are evaluating to TRUE at the same time as a system software error.
Behavior is undefined.
NYET (and Last). On each NYET response, the host controller checks to determine whether this
is the last complete-split for this split transaction. Last is defined in this context as the condition
where all of the scheduled complete-splits have been executed. If it is the last complete-split (with
a NYET response), then the transfer state of the queue head is not advanced (never received any
data) and this state exited. The transaction translator must have responded to all the complete-splits
with NYETs, meaning that the start-split issued by the host controller was not received. The
start-split should be retried at the next poll period.
The test for whether this is the Last complete split can be performed by XOR QH[C-mask] with
QH[C-prog-mask]. If the result is all zeros then all complete-splits have been executed. When this
condition occurs, the XactErr status bit is set and the Cerr field is decremented.
NYET (and not Last). See above description for testing for Last. The complete-split transaction
received a NYET response from the transaction translator. Do not update any transfer state (except
for C-prog-mask and FrameTag) and stay in this state. The host controller must not adjust Cerr on
this response.
-- to send a complete split in the previous micro-frame. So,
-- if the
-- 'previous bit' is set in C-mask, check C-prog-mask to
-- make sure it
-- happened.
If (previousBit bitAND QH.C-mask)then
End If
-- If the C-prog-mask already has a one in this bit position,
-- then an aliasing
-- error has occurred. It will probably get caught by the
-- FrameTag Test, but
-- at any rate it is an error condition that as detectable here
-- should not allow
-- a transaction to be executed.
If (cMicroFrameBit bitAND QH.C-prog-mask) then
rvalue = FALSE;
End if
return (rvalue)
End Algorithm
End if
rvalue = FALSE;
MCF5253 Reference Manual, Rev. 1
If not(previousBit bitAND QH.C-prog-mask) then
Freescale Semiconductor
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