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參數(shù)資料
| 型號： | SCF5250CAG120 |
| 廠商： | Motorola, Inc. |
| 英文描述： | SCF5250 Integrated ColdFire Microprocessor |
| 中文描述： | SCF5250提供了集成的ColdFire微處理器 |
| 文件頁數(shù)： | 32/48頁 |
| 文件大?。?/td> | 767K |
| 代理商： | SCF5250CAG120 |
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SCF5250 Integrated ColdFire Microprocessor Data Sheet, Rev. 1.1
Electrical Characteristics
Freescale Semiconductor
32
Table 25. I2C-Bus Input Timing Specifications Between SCL and SDA
Num
Characteristic
Units
Min
Max
M1
Start Condition Hold Time
2
—
bus clocks
M2
Clock Low Period
8
—
bus clocks
M3
SCL/SDA Rise Time
(VIL= 0.5 V to VIH = 2.4 V)
—
1
mSec
M4
Data Hold Time
0
—
nSec
M5
SCL/SDA Fall Time
(VIH= 2.4 V to VIL = 0.5 V)
—
1
mSec
M6
Clock High time
4
—
bus clocks
M7
Data Setup Time
0
—
nSec
M8
Start Condition Setup Time
(for repeated start condition only)
2
—
bus clocks
M9
Stop Condition Setup Time
2
—
bus clocks
Table 26. I2C-Bus Output Timing Specifications Between SCL and SDA
Num
Characteristic
Units
Min
Max
M1
1
Start Condition Hold Time
6
—
bus clocks
M2
1
Clock Low Period
10
—
bus clocks
M3
2
SCL/SDA Rise Time
(V
IL
= 0.5 V to V
IH
= 2.4 V)
note 2
note 2
mSec
M4
1
Data Hold Time
7
—
bus clocks
M5
3
SCL/SDA Fall Time
(V
IH
= 2.4 V to V
IL
= 0.5 V)
—
3
nSec
M6
1
Clock High time
10
—
bus clocks
M7
1
Data Setup Time
2
—
bus clocks
M8
1
Start Condition Setup Time
(for repeated start condition only)
20
—
bus clocks
M9
1
Stop Condition Setup Time
10
—
bus clocks
1.
Note: Output numbers are dependent on the value programmed into the MFDR; an MFDR programmed
with the maximum frequency (MFDR = 0x20) will result in minimum output timings as shown in the above
table. The MBUS interface is designed to scale the actual data transition time to move it to the middle of
the SCL low period. The actual position is affected by the prescale and division values programmed into
the MFDR; however, numbers given in the above table are the minimum values.
2.
Since SCL and SDA are open-collector-type outputs, which the processor can only actively drive low, the
time required for SCL or SDA to reach a high level depends on external signal capacitance and pull-up
resistor values.
3.
Specified at a nominal 20 pF load.
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相關代理商/技術參數(shù) |
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| SCF5250CPV120 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:SCF5250 Integrated ColdFire Microprocessor |
| SCF5250DAG120 | 制造商:Freescale Semiconductor 功能描述:AMADEUS PLUS - Bulk |
| SCF5250LAG100 | 功能描述:IC MPU COLDFIRE 100MHZ 144-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:SCF52xx 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:260 系列:73S12xx 核心處理器:80515 芯體尺寸:8-位 速度:24MHz 連通性:I²C，智能卡，UART/USART，USB 外圍設備:LED，POR，WDT 輸入/輸出數(shù):9 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-VFQFN 裸露焊盤 包裝:管件 |
| SCF5250LPV100 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SCF5250PV120 | 制造商:Rochester Electronics LLC 功能描述:AMADEUS PLUS - Bulk |
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