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: 87/172页
文件大小: 871K
代理商: MC56F8145VFG
Signal Pins
56F8345 Technical Data, Rev. 17
Freescale Semiconductor
21
Preliminary
VSSA_ADC
95
Supply
ADC Analog Ground — This pin supplies an analog ground to
the ADC modules.
OCR_DIS
71
Input
On-Chip Regulator Disable
Tie this pin to VSS to enable the on-chip regulator
Tie this pin to VDD to disable the on-chip regulator
This pin is intended to be a static DC signal from power-up
to shut down. Do not try to toggle this pin for power savings
during operation.
VCAP1
49
Supply
VCAP1 - 4 — When OCR_DIS is tied to VSS (regulator enabled),
connect each pin to a 2.2
μF or greater bypass capacitor in order
to bypass the core logic voltage regulator, required for proper
chip operation. When OCR_DIS is tied to VDD (regulator
disabled), these pins become VDD_CORE and should be
connected to a regulated 2.5V power supply.
Note: This bypass is required even if the chip is powered
with an external supply.
VCAP2
122
VCAP3
75
VCAP4
13
VPP1
119
Input
VPP1 - 2 — These pins should be left unconnected as an open
circuit for normal functionality.
VPP2
5
CLKMODE
79
Input
Clock Input Mode Selection — This input determines the
function of the XTAL and EXTAL pins.
1 = External clock input on XTAL is used to directly drive the
input clock of the chip. The EXTAL pin should be grounded.
0 = A crystal or ceramic resonator should be connected between
XTAL and EXTAL.
EXTAL
74
Input
External Crystal Oscillator Input — This input can be
connected to an 8MHz external crystal. Tie this pin low if XTAL is
driven by an external clock source.
XTAL
73
Input/
Output
Chip-driven
Crystal Oscillator Output — This output connects the internal
crystal oscillator output to an external crystal.
If an external clock is used, XTAL must be used as the input and
EXTAL connected to GND.
The input clock can be selected to provide the clock directly to
the core. This input clock can also be selected as the input clock
for the on-chip PLL.
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
MC56F8146VFV 16-BIT, 120 MHz, OTHER DSP, PQFP144
MC56F8167VPYE 16-BIT, 120 MHz, OTHER DSP, PQFP160
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