参数资料
型号: MC56F8357VPY60
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 16-BIT, 120 MHz, OTHER DSP, PQFP160
封装: PLASTIC, LQFP-160
文件页数: 110/177页
文件大小: 4091K
代理商: MC56F8357VPY60
56F8357 Technical Data, Rev. 15
38
Freescale Semiconductor
Preliminary
EXTBOOT
124
B11
Schmitt
Input
Input,
pull-up
enabled
External Boot — This input is tied to VDD to force the device
to boot from off-chip memory (assuming that the on-chip Flash
memory is not in a secure state). Otherwise, it is tied to
ground. For details, see Table 4-4.
Note: When this pin is tied low, the customer boot software
should disable the internal pull-up resistor by setting the
XBOOT bit of the SIM_PUDR; see Part 6.5.6.
EMI_MODE
159
B2
Schmitt
Input
Input,
pull-up
enabled
External Memory Mode — This input is tied to VDD in order to
enable an extra four address lines, for a total of 20 address
lines out of reset. This function is also affected by EXTBOOT
and the Flash security mode. For details, see Table 4-4.
If a 20-bit address bus is not desired, then this pin is tied to
ground.
Note: When this pin is tied low, the customer boot software
should disable the internal pull-up resistor by setting the
EMI_MODE bit of the SIM_PUDR; see Part 6.5.6.
Table 2-2 Signal and Package Information for the 160-Pin LQFP and MBGA
Signal
Name
Pin
No.
Ball No.
Type
State
During
Reset
Signal Description
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:
MC56F8357,
MC56F8157
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