参数资料
型号: MC56F8145VFG
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 4-BIT, 120 MHz, OTHER DSP, PQFP128
封装: PLASTIC, LQFP-128
文件页数: 91/172页
文件大小: 871K
代理商: MC56F8145VFG
Signal Pins
56F8345 Technical Data, Rev. 17
Freescale Semiconductor
25
Preliminary
RXD1
(GPIOD7)
41
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
115
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
116
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
117
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.
TDO
118
Output
In reset,
output is
disabled,
pull-up is
enabled
Test Data Output — This tri-stateable output pin provides a
serial output data stream from the JTAG/EOnCE port. It is driven
in the shift-IR and shift-DR controller states, and changes on the
falling edge of TCK.
Table 2-2 Signal and Package Information for the 128-Pin LQFP
Signal
Name
Pin No.
Type
State
During
Reset
Signal Description
相关PDF资料
PDF描述
MC56F8146VFVE 16-BIT, 120 MHz, OTHER DSP, PQFP144
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