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参数资料
| 型号： | MPC8349CVVAGDB |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672 |
| 封装： | 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, TBGA-672 |
| 文件页数： | 41/87页 |
| 文件大小： | 1037K |
| 代理商： | MPC8349CVVAGDB |
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MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 12
46
Freescale Semiconductor
I2C
Figure 31. I2C AC Test Load
Figure 32. I2C Bus AC Timing Diagram
Fall time of both SDA and SCL signals5
tI2CF
__
300
ns
Setup time for STOP condition
tI2PVKH
0.6
—
μs
Bus free time between a STOP and START condition
tI2KHDX
1.3
—
μs
Noise margin at the LOW level for each connected device (including
hysteresis)
VNL
0.1
× OV
DD
—V
Noise margin at the HIGH level for each connected device (including
hysteresis)
VNH
0.2
× OV
DD
—V
Notes:
1. The symbols for timing specifications follow the pattern of t(first two letters of functional block)(signal)(state)(reference)(state) for inputs
and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tI2DVKH symbolizes I
2C timing (I2) with
respect to the time data input signals (D) reach the valid state (V) relative to the tI2C clock reference (K) going to the high (H)
state or setup time. Also, tI2SXKL symbolizes I
2C timing (I2) for the time that the data with respect to the start condition (S)
goes invalid (X) relative to the tI2C clock reference (K) going to the low (L) state or hold time. Also, tI2PVKH symbolizes I
2C
timing (I2) for the time that the data with respect to the stop condition (P) reaches the valid state (V) relative to the tI2C clock
reference (K) going to the high (H) state or setup time. For rise and fall times, the latter convention is used with the appropriate
letter: R (rise) or F (fall).
2. The device provides a hold time of at least 300 ns for the SDA signal (referred to the VIH(min) of the SCL signal) to bridge
the undefined region of the falling edge of SCL.
3. The maximum tI2DVKH must be met only if the device does not stretch the LOW period (tI2CL) of the SCL signal.
4. CB = capacitance of one bus line in pF.
5.)The device does not follow the “I2C-BUS Specifications” version 2.1 regarding the tI2CF AC parameter.
Table 43. I2C AC Electrical Specifications (continued)
Parameter
Symbol1
Min
Max
Unit
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
Sr
S
SDA
SCL
tI2CF
tI2SXKL
tI2CL
tI2CH
tI2DXKL
tI2DVKH
tI2SXKL
tI2SVKH
tI2KHKL
tI2PVKH
tI2CR
tI2CF
PS
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相关代理商/技术参数 |
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|---|---|
| MPC8349CVVAGFB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MPC8349CVVAJDB | 功能描述:微处理器 - MPU 8349 TBGA NO PB W/O ENC RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MPC8349CVVAJFB | 功能描述:微处理器 - MPU 8349 TBGA NO-PB W/O ENCR RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MPC8349CVVALDB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MPC8349CVVALFB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
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