參數(shù)資料
型號： MC56F8156VFVE
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數(shù)字信號處理
英文描述： 16-BIT, 120 MHz, OTHER DSP, PQFP144
封裝： ROHS COMPLIANT, LQFP-144
文件頁數(shù)： 98/178頁
文件大?。?/td> 910K
代理商： MC56F8156VFVE
56F8356 Technical Data, Rev. 13
26
Freescale Semiconductor
Preliminary
RXD0
(GPIOE1)
5
Input
Input/
Output
Input,
pull-up
enabled
Receive Data — SCI0 receive data input
Port E GPIO — This GPIO pin can be individually programmed as
an input or output pin.
After reset, the default state is SCI output.
To deactivate the internal pull-up resistor, clear bit 1 in the
GPIOE_PUR register.
TXD1
(GPIOD6)
42
Output
Input/
Output
In reset,
output is
disabled,
pull-up is
enabled
Transmit Data — SCI1 transmit data output
Port D GPIO — This GPIO pin can be individually programmed as
an input or output pin.
After reset, the default state is SCI output.
To deactivate the internal pull-up resistor, clear bit 6 in the
GPIOD_PUR register.
RXD1
(GPIOD7)
43
Input
Input/
Output
Input,
pull-up
enabled
Receive Data — SCI1 receive data input
Port D GPIO — This GPIO pin can be individually programmed as
an input or output pin.
After reset, the default state is SCI input.
To deactivate the internal pull-up resistor, clear bit 7 in the
GPIOD_PUR register.
TCK
121
Schmitt
Input
Input,
pulled low
internally
Test Clock Input — This input pin provides a gated clock to
synchronize the test logic and shift serial data to the JTAG/EOnCE
port. The pin is connected internally to a pull-down resistor.
TMS
122
Schmitt
Input
Input,
pulled high
internally
Test Mode Select Input — This input pin is used to sequence the
JTAG TAP controller’s state machine. It is sampled on the rising
edge of TCK and has an on-chip pull-up resistor.
To deactivate the internal pull-up resistor, set the JTAG bit in the
SIM_PUDR register.
Note:
Always tie the TMS pin to VDD through a 2.2K resistor.
TDI
123
Schmitt
Input
Input,
pulled high
internally
Test Data Input — This input pin provides a serial input data
stream to the JTAG/EOnCE port. It is sampled on the rising edge
of TCK and has an on-chip pull-up resistor.
To deactivate the internal pull-up resistor, set the JTAG bit in the
SIM_PUDR register.
Table 2-2 Signal and Package Information for the 144-Pin LQFP (Continued)
Signal Name
Pin No.
Type
State
During
Reset
Signal Description
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