参数资料
型号: XPC8240LVV200E
厂商: Freescale Semiconductor
文件页数: 11/52页
文件大小: 0K
描述: IC MPU INTEGRATED 200MHZ 352TBGA
标准包装: 24
系列: MPC82xx
处理器类型: 32-位 MPC82xx PowerQUICC II
速度: 200MHz
电压: 2.5V
安装类型: 表面贴装
封装/外壳: 352-LBGA
供应商设备封装: 352-TBGA(35x35)
包装: 托盘
MPC8240 Integrated Processor Hardware Specifications
19
Electrical and Thermal Characteristics
Figure 12 shows the PCI_HOLD_DEL effect on output valid and hold time.
Figure 12. PCI_HOLD_DEL Effect on Output Valid and Hold Time
1.4.2.5
I2C AC Timing Specifications
Table 11 provides the I2C input AC timing specifications for the MPC8240.
Table 11. I2C Input AC Timing Specifications
At recommended operating conditions (see Table 2) with LVDD = 3.3 V ± 0.3 V
Num
Characteristic
Min
Max
Unit
Notes
1
Start condition hold time
4.0
CLKs
1,2
2
Clock low period (the time before the MPC8240
will drive SCL low as a transmitting slave after
detecting SCL low as driven by an external
master)
8.0 + (16
× 2FDR[4:2]) × (5 –
4({FDR[5],FDR[1]} == b'10) –
3({FDR[5],FDR[1]} == b'11)–
2({FDR[5],FDR[1]} == b'00) –
1({FDR[5],FDR[1]} == b'01))
CLKs
1, 2, 4, 5
3
SCL/SDA rise time (from 0.5 to 2.4 V)
1
ms
PCI_SYNC_IN
PCI Inputs/Outputs
OVDD ÷ 2
33 MHz PCI
12a, 6 ns for 66 MHz PCI
PCI_HOLD_DEL = 100
13a, 2 ns for 33-MHz PCI
PCI_HOLD_DEL = 110
13a, 1 ns for 66-MHz PCI
PCI_HOLD_DEL = 100
Output Valid
Output Hold
Note: Diagram not to scale.
As PCI_HOLD_DEL
Values Decrease
As PCI_HOLD_DEL
Values Increase
PCI Inputs
and Outputs
PCI Inputs/Outputs
66 MHz PCI
12a, 8 ns for 33 MHz PCI
PCI_HOLD_DEL = 110
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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