參數(shù)資料
型號(hào): MCF51CN128CGT
廠(chǎng)商: Freescale Semiconductor
文件頁(yè)數(shù): 5/48頁(yè)
文件大?。?/td> 0K
描述: IC MCU 32BIT 128K FLASH 48-QFN
產(chǎn)品培訓(xùn)模塊: MCF51CN Family - Ultimate Ethernet Solutions
Tower System
標(biāo)準(zhǔn)包裝: 260
系列: MCF51CN
核心處理器: Coldfire V1
芯體尺寸: 32-位
速度: 50MHz
連通性: 以太網(wǎng),I²C,SCI,SPI
外圍設(shè)備: LVD,PWM,WDT
輸入/輸出數(shù): 38
程序存儲(chǔ)器容量: 128KB(128K x 8)
程序存儲(chǔ)器類(lèi)型: 閃存
RAM 容量: 24K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 12x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-VFQFN 裸露焊盤(pán)
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 732 (CN2011-ZH PDF)
配用: TWR-MCF51CN-ND - KIT TOWER BOARD
TWR-MCF51CN-KIT-ND - KIT TOWER BOARD/SERIAL/ELEVATOR
Electrical Characteristics
MCF51CN128 ColdFire Microcontroller Data Sheet, Rev. 4
Freescale Semiconductor
13
3.4
Thermal Characteristics
This section provides information about operating temperature range, power dissipation, and package thermal resistance. Power
dissipation on I/O pins is usually small compared to the power dissipation in on-chip logic and voltage regulator circuits, and
it is user-determined rather than being controlled by the MCU design. To take PI/O into account in power calculations, determine
the difference between actual pin voltage and VSS or VDD and multiply by the pin current for each I/O pin. Except in cases of
unusually high pin current (heavy loads), the difference between pin voltage and VSS or VDD will be very small.
The average chip-junction temperature (TJ) in °C can be obtained from:
TJ = TA + (PD × θJA)
Eqn. 1
where:
TA = Ambient temperature, °C
θJA = Package thermal resistance, junction-to-ambient, °C/W
PD = Pint + PI/O
Pint = IDD × VDD, Watts — chip internal power
PI/O = Power dissipation on input and output pins — user determined
For most applications, PI/O << Pint and can be neglected. An approximate relationship between PD and TJ (if PI/O is neglected)
is:
PD = K ÷ (TJ + 273°C)
Eqn. 2
Solving Equation 1 and Equation 2 for K gives:
K = PD × (TA + 273°C) + θJA × (PD)
2
Eqn. 3
where K is a constant pertaining to the particular part. K can be determined from equation 3 by measuring PD (at equilibrium)
for a known TA. Using this value of K, the values of PD and TJ can be obtained by solving Equation 1 and Equation 2 iteratively
for any value of TA.
Table 5. Thermal Characteristics
Rating
Symbol
Value
Unit
Operating temperature range
(packaged)
TA
TL to TH
(–40 to 85 or 0 to 70)1
1 Depending on device.
°C
Maximum junction temperature
TJM
95
°C
Thermal resistance
Single-layer board
48-pin QFN
θ
JA
81
°C/W
64-pin LQFP
69
80-pin LQFP
60
Thermal resistance
Four-layer board
48-pin QFN
θ
JA
26
°C/W
64-pin LQFP
50
80-pin LQFP
47
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF51CN128CL 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述:
MCF51CN128CLH 功能描述:32位微控制器 - MCU 32-Bit 128K Flash w/ On-Chip Ethernet RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線(xiàn)寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
MCF51CN128CLH 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU COLDFIRE 50.33MHZ LQFP64
MCF51CN128CLK 功能描述:32位微控制器 - MCU 32-Bit 128K Flash w/ On-Chip Ethernet RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線(xiàn)寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
MCF51CN128CLK 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU COLDFIRE 50.33MHZ LQFP80