VLVWH Low-voltage warning threshold —
參數(shù)資料
型號： MCF51MM256VML
廠商： Freescale Semiconductor
文件頁數(shù)： 15/57頁
文件大?。?/td> 0K
描述： IC MCU 32BIT 256K COLDF 104-PBGA
標準包裝： 240
系列： MCF51MM
核心處理器： Coldfire V1
芯體尺寸： 32-位
速度： 50MHz
連通性： CAN，EBI/EMI，I²C，SCI，SPI，USB OTG
外圍設(shè)備： LVD，PWM，WDT
輸入/輸出數(shù)： 69
程序存儲器容量： 256KB（256K x 8）
程序存儲器類型： 閃存
RAM 容量： 32K x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x16b，D/A 1x12b
振蕩器型： 外部
工作溫度： -40°C ~ 105°C
封裝/外殼： 104-LFBGA
包裝： 管件
Electrical Characteristics
Freescale Semiconductor
22
20
VLVWH
Low-voltage
warning
threshold —
high range9
VDD falling
—
2.36
2.46
2.56
V
P
VDD rising
—
2.36
2.46
2.56
V
P
21
VLVWL
Low-voltage
warning
threshold —
low range9
VDD falling
—
2.11
2.16
2.22
V
P
VDD rising
—
2.16
2.21
2.27
V
P
22
Vhys
Low-voltage inhibit
reset/recoverhysteresis10
——
50
—
mV
C
23
VBG
Bandgap Voltage Reference11
—
1.110
1.17
1.230
V
P
1
Typical values are measured at 25
C. Characterized, not tested
2
As the supply voltage rises, the LVD circuit will hold the MCU in reset until the supply has risen above VLVDL.
3 Does not include analog module pins. Dedicated analog pins should not be pulled to VDD or VSS and should be left floating when not
used to reduce current leakage.
4 Measured with VIn = VDD.
5
All functional non-supply pins are internally clamped to VSS and VDD except PTD1.
6
Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate
resistance values for positive and negative clamp voltages, then use the larger of the two values.
7
Power supply must maintain regulation within operating VDD range during instantaneous and operating maximum current conditions.
If positive injection current (VIn > VDD) is greater than IDD, the injection current may flow out of VDD and could result in external power
supply going out of regulation. Ensure external VDD load will shunt current greater than maximum injection current. This will be the
greatest risk when the MCU is not consuming power. Examples are: if no system clock is present, or if clock rate is very low (which
would reduce overall power consumption).
8
Maximum is highest voltage that POR is guaranteed.
9
Run at 1 MHz bus frequency
10 Low voltage detection and warning limits measured at 1 MHz bus frequency.
11 Factory trimmed at V
DD = 3.0 V, Temp = 25C
Table 9. DC Characteristics (continued)
Num Symbol
Characteristic
Condition
Min
Typ1
Max
Unit
C
MCF51MM256/128, Rev. 5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF51MM256VMLJ 功能描述:32位微控制器 - MCU 32BIT 256K FLASH RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小: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
MCF51QE128 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:32-Bit Version 1 ColdFire㈢ Central Processor Unit (CPU)
MCF51QE128_08 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:32-Bit Version 1 ColdFire㈢ Central Processor Unit (CPU)
MCF51QE128CLH 功能描述:32位微控制器 - MCU Flexis Series 32 Bit 128K FLASH RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小: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
MCF51QE128CLK 功能描述:32位微控制器 - MCU Flexis Series 32 Bit 128K FLASH RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小: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
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