參數(shù)資料
型號(hào)： MAC7131MVM50XX
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： MICROCONTROLLER, PBGA208
封裝： 17 X 17 MM, 1.70 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT, MO-151AAF-1, BGA-208
文件頁(yè)數(shù)： 27/56頁(yè)
文件大?。?/td> 757K
代理商： MAC7131MVM50XX
ElectricalCharacteristics
MAC7100 Microcontroller Family Hardware Specifications, Rev. 1.2
Preliminary
Freescale Semiconductor
33
3.13.3 Page Erase Timing
The time required to erase a 4 Kbyte program or 1 Kbyte data Flash logical page is calculated using the
formulas:
Eqn. 22
Eqn. 23
3.13.4 Page Erase Verify Timing
The time required to verify that a program Flash page is erased depends on the location of the first
non-blank word. The time required for the operation is calculated using the formula:
Eqn. 24
The time required to verify that a data Flash page is erased is calculated using the formula:
Eqn. 25
3.13.5 Programming Timing
Programming time is dependant on the fIPS and fNVMOP frequencies, and is calculated for a single word
using the formula:
Eqn. 26
Burst programming can be utilized with the program Flash, where up to 32 words in a row can be
programmed consecutively by keeping the command pipeline filled. The time to program a consecutive
word is calculated using the formula:
Eqn. 27
Therefore, the time to program a 32-word row is calculated using the formula:
Eqn. 28
Note that burst programming is more than 2 times faster than single word programming.
3.13.6 Data Signature Timing1
The time required to perform a data signature command is dependant on the number of words or
half-words compressed during the operation, and is calculated using the formula:
Eqn. 29
1. This feature is not available on mask set L49P and L47W devices.
t
erap
4096 t
NVMOP
15
+
t
IPS
=
t
erad
1024 t
NVMOP
15
+
t
IPS
=
t
pevp
4
1024
×
4
----------------------
15
+
t
IPS
×
=
t
pevd
1
1024
×
4
----------------------
15
+
t
IPS
×
=
t
swpgm
9t
NVMOP
25 t
IPS
+
=
t
bwpgm
4t
NVMOP
9t
IPS
+
=
t
brpgm
t
swpgm
31 t
bwpgm
+
=
t
dsig
Words or Half-Words
15
+
() t
IPS
=
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:MAC7131
products
in
208
MAPBGA
packages
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