參數(shù)資料
型號： MCF5235CVM100
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 100 MHz, RISC PROCESSOR, PBGA256
封裝： ROHS COMPLIANT, MAPBGA-256
文件頁數(shù)： 31/48頁
文件大小： 666K
代理商： MCF5235CVM100
Electrical Characteristics
MCF523x Integrated Microprocessor Hardware Specification, Rev. 4
Freescale Semiconductor
37
7.9
I2C Input/Output Timing Specifications
Table 16 lists specifications for the I2C input timing parameters shown in Figure 18.
Table 17 lists specifications for the I2C output timing parameters shown in Figure 18.
Figure 18 shows timing for the values in Table 16 and Table 17.
Table 16. I2C Input Timing Specifications between I2C_SCL and I2C_SDA
Num
Characteristic
Min
Max
Units
I1
Start condition hold time
2
—
tcyc
I2
Clock low period
8
—
tcyc
I3
I2C_SCL/I2C_SDA rise time (VIL = 0.5 V to VIH = 2.4 V)
—
1
ms
I4
Data hold time
0
—
ns
I5
I2C_SCL/I2C_SDA fall time (VIH = 2.4 V to VIL = 0.5 V)
—
1
ms
I6
Clock high time
4
—
tcyc
I7
Data setup time
0
—
ns
I8
Start condition setup time (for repeated start condition only)
2
—
tcyc
I9
Stop condition setup time
2
—
tcyc
Table 17. I2C Output Timing Specifications between I2C_SCL and I2C_SDA
Num
Characteristic
Min
Max
Units
I11
1
Note: Output numbers depend on the value programmed into the IFDR; an IFDR programmed with
the maximum frequency (IFDR = 0x20) results in minimum output timings as shown in Table 17. The
I2C interface is designed to scale the actual data transition time to move it to the middle of the
I2C_SCL low period. The actual position is affected by the prescale and division values programmed
into the IFDR; however, the numbers given in Table 17 are minimum values.
Start condition hold time
6
—
tcyc
I2 1
Clock low period
10
—
tcyc
I3 2
2
Because I2C_SCL and I2C_SDA are open-collector-type outputs, which the processor can only
actively drive low, the time I2C_SCL or I2C_SDA take to reach a high level depends on external
signal capacitance and pull-up resistor values.
I2C_SCL/I2C_SDA rise time (VIL = 0.5 V to VIH = 2.4 V)
—
s
I4 1
Data hold time
7
—
tcyc
I5 3
3
Specified at a nominal 50-pF load.
I2C_SCL/I2C_SDA fall time (VIH = 2.4 V to VIL = 0.5 V)
—
3
ns
I6 1
Clock high time
10
—
tcyc
I7 1
Data setup time
2
—
tcyc
I8 1
Start condition setup time (for repeated start condition only)
20
—
tcyc
I9 1
Stop condition setup time
10
—
tcyc
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相關代理商/技術參數(shù)
參數(shù)描述
MCF5235CVM100J 功能描述:32位微控制器 - MCU V2CORE 64KSRAM 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 安裝風格:SMD/SMT
MCF5235CVM150 功能描述:IC MPU 32BIT COLDF 256-MAPBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MCF523x 標準包裝:330 系列:- 核心處理器:- 芯體尺寸:8/16-位 速度:40MHz 連通性:UART/USART 外圍設備:DMA，PWM，WDT 輸入/輸出數(shù):32 程序存儲器容量:- 程序存儲器類型:外部程序存儲器 EEPROM 大小:- RAM 容量:- 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉換器:- 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:100-BQFP 包裝:管件
MCF5235CVM150 制造商:Freescale Semiconductor 功能描述:Microprocessor IC
MCF5235CVM150J 功能描述:32位微控制器 - MCU V2CORE 64KSRAM 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 安裝風格:SMD/SMT
MCF5235CVM150J 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU 150 MHz 256-BGA
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