參數(shù)資料
型號(hào)： MCF5327
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Microprocessor Data Sheet
中文描述： 微處理器數(shù)據(jù)表
文件頁(yè)數(shù)： 38/48頁(yè)
文件大?。?/td> 922K
代理商： MCF5327
MCF5329 ColdFire
Microprocessor Data Sheet, Rev. 0.1
Preliminary
Preliminary Electrical Characteristics
Freescale Semiconductor
38
Table 22
lists specifications for the I
2
C output timing parameters shown in
Figure 25
.
Table 22. I
2
C Output Timing Specifications between SCL and SDA
Figure 25
shows timing for the values in
Table 22
and
Table 21
.
Table 21. I
2
C Input Timing Specifications between SCL and SDA
Num
Characteristic
Min
Max
Units
I1
Start condition hold time
2
—
t
cyc
I2
Clock low period
8
—
t
cyc
I3
I2C_SCL/I2C_SDA rise time (V
IL
= 0.5 V to V
IH
= 2.4 V)
—
1
ms
I4
Data hold time
0
—
ns
I5
I2C_SCL/I2C_SDA fall time (V
IH
= 2.4 V to V
IL
= 0.5 V)
—
1
ms
I6
Clock high time
4
—
t
cyc
I7
Data setup time
0
—
ns
I8
Start condition setup time (for repeated start condition only)
2
—
t
cyc
I9
Stop condition setup time
2
—
t
cyc
Num
Characteristic
Min
Max
Units
I1
1
NOTES:
1
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 22
. The I
2
C 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 IFDR; however, the numbers
given in
Table 22
are minimum values.
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.
3
Specified at a nominal 50-pF load.
Start condition hold time
6
—
t
cyc
I2
1
Clock low period
10
—
t
cyc
I3
2
I2C_SCL/I2C_SDA rise time (V
IL
= 0.5 V to V
IH
= 2.4 V)
—
—
μs
I4
1
Data hold time
7
—
t
cyc
I5
3
I2C_SCL/I2C_SDA fall time (V
IH
= 2.4 V to V
IL
= 0.5 V)
—
3
ns
I6
1
Clock high time
10
—
t
cyc
I7
1
Data setup time
2
—
t
cyc
I8
1
Start condition setup time (for repeated start condition only)
20
—
t
cyc
I9
1
Stop condition setup time
10
—
t
cyc
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF5327CVM240 功能描述:微處理器 - MPU MCF5329 V2-CORE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF5327CVM240J 制造商:Freescale Semiconductor 功能描述:MPC5XXX RISC 32-BIT CMOS 240MHZ 196-PIN MA-BGA TRAY - Trays
MCF5328 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor
MCF53281 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor
MCF53281CVM240 功能描述:微處理器 - MPU MCF5329 DRAGONFIRE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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