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参数资料
| 型号： | MC94MX21DVKN3R2 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 350 MHz, MICROPROCESSOR, PBGA289 |
| 封装： | 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, LEAD FREE, PLASTIC, BGA-289 |
| 文件页数： | 32/98页 |
| 文件大小： | 1326K |
| 代理商： | MC94MX21DVKN3R2 |
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MC94MX21 Technical Data, Rev. 1.
5
38
Freescale Semiconductor
Specifications
Figure 28. Timing Diagrams at Data Read
Figure 29 shows the basic write operation timing. As with the read operation, after the card response, the
data transfer starts after NWR cycles. The data is suffixed with CRC check bits to allow the card to check
for transmission errors. The card sends back the CRC check result as a CC status token on the data line. If
there was a transmission error, the card sends a negative CRC status (101); otherwise, a positive CRC
status (010) is returned. The card expects a continuous flow of data blocks if it is configured to multiple
block mode, with the flow terminated by a stop transmission command.
NAC cycles
Read Data
Timing of single block read
NAC cycles
Read Data
Timing of multiple block read
NAC cycles
NST
Timing of stop command
(CMD12, data transfer mode)
Host Command
Response
NCR cycles
CMD
Content
S T
E Z Z P
P S T
Content
CRC
E Z
******
CRC
DAT
Z****Z
Z Z P
P S D
*****
D D D
DAT
Z****Z
Z Z P
P S D
*****
******
D D D
P
*****
P S D D D D
******
Host Command
Response
NCR cycles
CMD
Content
S T
E Z Z P
P S T
Content
CRC
E Z
******
CRC
*****
Read Data
Host Command
Response
NCR cycles
CMD
Content
S T
E Z Z P
P S T
Content
CRC
E Z
******
CRC
Valid Read Data
DAT
*****
Z
E
*****
D D D D
Z
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MC94MX21DVKN3
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| MC9S08GW64CLK | MICROCONTROLLER, PQFP80 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MC94MX21DVKN3R2 | 制造商:Freescale Semiconductor 功能描述:32-bit Embedded Microprocessors |
| MC950 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:INTEGRATED CIRCUITS |
| MC951 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:INTEGRATED CIRCUITS |
| MC952 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:INTEGRATED CIRCUITS |
| MC953 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:INTEGRATED CIRCUITS |
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