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参数资料
型号： MC56F8347VVFE
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, PBGA160
封装： ROHS COMPLIANT, MAPBGA-160
文件页数： 90/172页
文件大小： 2620K
代理商： MC56F8347VVFE
56F8347 Technical Data, Rev.11
24
Freescale Semiconductor
Preliminary
D7
(GPIOF0)
28
K1
Input/
Output
Input/
Output
In reset,
output is
disabled,
pull-up is
enabled
Data Bus — D7 - D15 specify part of the data for external
program or data memory accesses.
Depending upon the state of the DRV bit in the EMI bus
control register (BCR), D7 - D15 are tri-stated when the
external bus is inactive.
Most designs will want to change the DRV state to DRV = 1
instead of using the default setting.
Port F GPIO — These nine GPIO pins can be individually
programmed as input or output pins.
At reset, these pins default to data bus functionality.
To deactivate the internal pull-up resistor, clear the
appropriate GPIO bit in the GPIOF_PUR register.
Example: GPIOF0, clear bit 0 in the GPIOF_PUR register.
D8
(GPIOF1)
29
K3
D9
(GPIOF2)
30
K2
D10
(GPIOF3)
32
K4
D11
(GPIOF4)
149
A5
D12
(GPIOF5)
150
A4
D13
(GPIOF6)
151
B5
D14
(GPIOF7)
152
C4
D15
(GPIOF8)
153
A3
RD
52
P5
Output
In reset,
output is
disabled,
pull-up is
enabled
Read Enable — RD is asserted during external memory
read cycles. When RD is asserted low, pins D0 - D15
become inputs and an external device is enabled onto the
data bus. When RD is deasserted high, the external data is
latched inside the device. When RD is asserted, it qualifies
the A0 - A16, PS, and DS pins. RD can be connected directly
to the OE pin of a static RAM or ROM.
Depending upon the state of the DRV bit in the EMI bus control
register (BCR), RD is tri-stated when the external bus is
inactive.
Most designs will want to change the DRV state to DRV = 1
instead of using the default setting.
To deactivate the internal pull-up resistor, set the CTRL bit in
the SIM_PUDR register.
Table 2-2 Signal and Package Information for the 160-Pin LQFP and MBGA (Continued)
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:
MC56F8147VVFE,MC56F8347VVFE
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