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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： | 31/98页 |
| 文件大小： | 1326K |
| 代理商： | MC94MX21DVKN3R2 |
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Specifications
MC94MX21 Technical Data, Rev. 1.
5
Freescale Semiconductor
37
Figure 27. Timing Diagrams at Data Transfer Mode
Figure 28 shows basic read operation timing. In a read operation, the sequence starts with a single block
read command (which specifies the start address in the argument field). The response is sent on the
SD_CMD lines as usual. Data transmission from the card starts after the access time delay NAC, beginning
from the last bit of the read command. If the system is in multiple block read mode, the card sends a
continuous flow of data blocks with distance NAC until the card sees a stop transmission command. The
data stops two clock cycles after the end bit of the stop command.
Timing of command sequences (all modes)
Timing response end to next CMD start (data transfer mode)
Command response timing (data transfer mode)
Host Command
Response
NCR cycles
CMD
Content
S T
E Z Z P
P S T
Content
CRC
E Z Z
******
CRC
Z
Response
Host Command
NRC cycles
CMD
Content
S T
E Z
Z S T
Content
CRC
E Z Z
******
CRC
Z
Host Command
NCC cycles
CMD
Content
S T
E Z
Z S T
Content
CRC
E Z Z
******
CRC
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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| MC9S08FL16CBM | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP32 |
| MC9S08GW64CLH | MICROCONTROLLER, PQFP64 |
| 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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