參數(shù)資料
型號: MC94MX21DVKN3R2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 350 MHz, MICROPROCESSOR, PBGA289
封裝: 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, LEAD FREE, PLASTIC, BGA-289
文件頁數(shù): 35/98頁
文件大?。?/td> 1326K
代理商: MC94MX21DVKN3R2
MC94MX21 Technical Data, Rev. 1.
5
40
Freescale Semiconductor
Specifications
Figure 30. Stop Transmission During Different Scenarios
Table 27. Timing Values for Figure 26 through Figure 30
Parameter
Symbol
Minimum
Maximum
Unit
MMC/SD bus clock, CLK (All values are referred to minimum (VIH) and maximum (VIL)
Command response cycle
NCR
2
64
Clock cycles
Identification response cycle
NID
5
Clock cycles
Access time delay cycle
NAC
2
TAAC + NSAC
Clock cycles
Wr
ite
Data
Stop
t
ransmission
du
ring
data
transfe
r
from
the
host.
Busy
(Card
is
programming)
Stop
t
ransmission
du
ring
CRC
status
tr
ansfer
from
the
card.
Stop
t
ransmission
received
a
fter
last
data
block.
C
ard
becomes
busy
programming.
Stop
t
ransmission
received
a
fter
last
data
block.
C
ard
becomes
busy
programming.
Host
Comman
d
Card
Response
N
CR
c
ycl
es
CMD
C
ontent
S
T
E
Z
P
S
T
Con
tent
CR
C
E
Z
******
Host
Command
C
ontent
S
T
CRC
E
DAT
****
**
D
Z
D
E
Z
S
L
Z
E
DAT
****
**
D
Z
D
Z
S
Z
S
L
Z
E
CR
C
E
CRC
DAT
******
S
L
Z
E
DAT
****
**
Z
S
L
Z
E
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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