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參數(shù)資料
| 型號： | TWR-MCF51JE-KIT |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 13/47頁 |
| 文件大?。?/td> | 0K |
| 描述： | TOWER SYSTEM KIT MCF51JE |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | ColdFire®, Flexis™ |
| 類型： | MCU |
| 適用于相關(guān)產(chǎn)品： | Freescale 電源塔系統(tǒng)，MCF51JE |
| 所含物品： | 4 個板，線纜，文檔，DVD |
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MCF51JE256 Datasheet, Rev. 4
Preliminary Electrical Characteristics
Freescale Semiconductor
20
11
RPU
Pull-up resistors
all digital inputs, when
enabled
—
17.5
—
52.5
k
P
12
RPD
Internal
pull-down
resistors4
—
17.5
—
52.5
k
P
13
IIC
DC injection
current 5, 6, 7
Single pin limit
VSS > VIN > VDD
–0.2
—
0.2
mA
D
Total MCU limit, includes
sum of all stressed pins
VSS > VIN > VDD
–5
—
5
mA
14
CIn
Input Capacitance, all pins
—
8
pF
C
15
VRAM
RAM retention voltage
—
0.6
1.0
V
C
16
VPOR
POR re-arm voltage8
—0.9
1.4
1.79
V
C
17
tPOR
POR re-arm time
—
10
—
sD
18
VLVDH Low-voltage detection threshold — high range
9
VDD falling
2.11
2.16
2.22
V
P
VDD rising
2.16
2.21
2.27
V
P
19
VLVDL Low-voltage detection threshold — low range
9
VDD falling
1.80
1.82
1.91
V
P
VDD rising
1.86
1.90
1.99
V
P
20
VLVWH Low-voltage warning threshold — high range
9
VDD falling
2.36
2.46
2.56
VP
VDD rising
2.36
2.46
2.56
V
P
21
VLVWL Low-voltage warning threshold — low range
9
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/recover
hysteresis10
——
50
—
mV
C
23
VBG
Bandgap Voltage Reference11
—
1.145
1.17
1.195
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).
Table 9. DC Characteristics (continued)
#
Symbol
Characteristic
Condition
Minimum Typical1 Maximum
Unit
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TWR-MCF51JF | 功能描述:開發(fā)板和工具包 - COLDFIRE MCF51QM Tower Module RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Kits 工具用于評估:MCF53017 核心:ColdFire V3 接口類型:Ethernet, UART, USB 工作電源電壓:12 V |
| TWR-MCF51JF-KIT | 功能描述:開發(fā)板和工具包 - COLDFIRE MCF51JF Tower Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Kits 工具用于評估:MCF53017 核心:ColdFire V3 接口類型:Ethernet, UART, USB 工作電源電壓:12 V |
| TWR-MCF51JG | 制造商:Freescale Semiconductor 功能描述:TWR-MCF51JG - Boxed Product (Development Kits) 制造商:Freescale Semiconductor 功能描述:MOD TOWER SYSTEM MCF51JX |
| TWR-MCF51MM | 功能描述:開發(fā)板和工具包 - COLDFIRE MCU BRD FOR FSL TWR RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Kits 工具用于評估:MCF53017 核心:ColdFire V3 接口類型:Ethernet, UART, USB 工作電源電壓:12 V |
| TWR-MCF51MM-KIT | 功能描述:開發(fā)板和工具包 - COLDFIRE KIT MCU BD FSL TOWER RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Kits 工具用于評估:MCF53017 核心:ColdFire V3 接口類型:Ethernet, UART, USB 工作電源電壓:12 V |
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