參數(shù)資料
型號: SPAK56F8346FV60
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 16-BIT, 240 MHz, OTHER DSP, PQFP144
封裝: 20 X 20 MM, 0.50 MM PITCH, 1.40 MM HEIGHT, PLASTIC, LQFP-144
文件頁數(shù): 78/156頁
文件大?。?/td> 2219K
代理商: SPAK56F8346FV60
28
56F8346 Technical Data
MOTOROLA
Preliminary
TD0
(GPIOE10)
116
Schmitt
Input/
Output
Schmitt
Input/
Output
Input
TD0 and TD1 — Timer D Channels 0 and 1
Port E GPIO — These GPIO pins can be individually
programmed as input or output pins.
At reset, these pins default to Timer functionality.
To deactivate the internal pull-up resistor, clear the
appropriate bit of the GPIOE_PUR register. See Section
6.5.6 for details.
TD1
(GPIOE11)
117
IRQA
54
Schmitt
Input
External Interrupt Request A and B — The IRQA and
IRQB inputs are asynchronous external interrupt requests
during Stop and Wait mode operation. During other
operating modes, they are synchronized external interrupt
requests, which indicate an external device is requesting
service. They can be programmed to be level-sensitive or
negative-edge-triggered.
To deactivate the internal pull-up resistor, set the IRQ bit in
the SIM_PUDR register. See Section 6.5.6 for details.
IRQB
55
RESET
86
Schmitt
Input
Reset — This input is a direct hardware reset on the
processor. When RESET is asserted low, the device is
initialized and placed in the reset state. A Schmitt trigger
input is used for noise immunity. When the RESET pin is
deasserted, the initial chip operating mode is latched from
the EXTBOOT pin. The internal reset signal will be
deasserted synchronous with the internal clocks after a
fixed number of internal clocks.
To ensure complete hardware reset, RESET and TRST
should be asserted together. The only exception occurs in
a debugging environment when a hardware device reset is
required and the JTAG/EOnCE module must not be reset.
In this case, assert RESET but do not assert TRST.
Note: The internal Power-On Reset will assert on initial
power-up.
To deactivate the internal pull-up resistor, set the RESET
bit in the SIM_PUDR register. See Section 6.5.6 for
details.
RSTO
85
Output
Reset Output — This output reflects the internal reset
state of the chip.
Table 2-2 56F8346 Signal and Package Information for the 144 Pin LQFP
Signal Name
Pin No.
Type
State
During
Reset
Signal Description
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