參數(shù)資料
型號： MCIMX258CVM4
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
封裝： 17 X 17 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-400
文件頁數(shù)： 147/154頁
文件大?。?/td> 1498K
代理商： MCIMX258CVM4
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
92
Freescale Semiconductor
3.7.11
Inter IC Communication (I2C) Timing
The I2C communication protocol consists of the following seven elements:
Start
Data source/recipient
Data direction
Slave acknowledge
Data
Data acknowledge
Stop
Figure 64 shows the timing of the I2C module. Table 69 and Table 70 describe the I2C module timing
parameters (IC1–IC6) shown in the figure.
Figure 64. I2C Module Timing Diagram
Table 69. I2C Module Timing Parameters: 3.0 V +/–0.30 V
ID
Parameter
Standard Mode
Fast Mode
Unit
Min.
Max.
Min.
Max.
IC1
I2CLK cycle time
10
-
2.5
μs
IC2
Hold time (repeated) START condition
4.0
-
0.6
-
μs
IC3
Set-up time for STOP condition
4.0
-
0.6
-
μs
IC4
Data hold time
01
3.452
μs
IC5
HIGH Period of I2CLK Clock
4.0
-
0.6
-
μs
IC6
LOW Period of the I2CLK Clock
4.7
-
1.3
-
μs
IC7
Set-up time for a repeated START condition
4.7
-
0.6
-
μs
IC8
Data set-up time
250
-
1003
-ns
IC9
Bus free time between a STOP and START condition
4.7
-
1.3
-
μs
IC10
Rise time of both I2DAT and I2CLK signals
-
1000
20+0.1Cb
4
300
ns
IC11
Fall time of both I2DAT and I2CLK signals
-
300
20+0.1Cb
300
ns
IC12
Capacitive load for each bus line (Cb)
-
400
-
400
pF
IC10
IC11
IC9
IC2
IC8
IC4
IC7
IC3
IC6
IC10
IC5
IC11
START
STOP
START
I2DAT
I2CLK
IC1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCIMX25LPDK 制造商:Freescale Semiconductor 功能描述:PRODUCT DEVELOPMENT KIT FOR THE I MX25 APPLICATIONS PROCESSO - Boxed Product (Development Kits) 制造商:Freescale Semiconductor 功能描述:KIT DEV I.MX25 FOR LINUX 制造商:Freescale 功能描述:Product Development Kit For The I.MX25 Applications Processor
MCIMX25LPDKJ 功能描述:開發(fā)板和工具包 - ARM HARDWARE RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V
MCIMX25LPDKJ 制造商:Freescale Semiconductor 功能描述:; LEADED PROCESS COMPATIBLE:YES; PEAK RE
MCIMX25PDKCPUJ 功能描述:開發(fā)板和工具包 - ARM CPU BD, MX25, LINUXJ RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V
MCIMX25WPDK 功能描述:開發(fā)板和工具包 - ARM MCIMX25 PDK ForLINUX RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V
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