參數(shù)資料
型號: MPC8569VTANKGB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 1 MM PITCH, PLASTIC, BGA-783
文件頁數(shù): 122/126頁
文件大小: 2847K
代理商: MPC8569VTANKGB
I2C
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
95
2.12.2
I2C AC Electrical Specifications
The following table provides the AC timing parameters for the I2C interface.
Pulse width of spikes that must be suppressed by the
input filter
tI2KHKL
050
ns
3
Input current each I/O pin (input voltage is between
0.1
× OVDD and 0.9 × OVDD (max) )
II
–10
10
μA4
Capacitance for each I/O pin
CI
—10
pF
Notes:
1. The min VILand max VIH values are based on the respective min and max OVIN values found in Table 3.
2. Output voltage (open drain or open collector) condition = 3 mA sink current.
3. See the MPC8569E PowerQUICC III Integrated Processor Family Reference Manual for information about the digital filter
used.
4. I/O pins obstruct the SDA and SCL lines if OVDD is switched off.
Table 57. I2C AC Timing Specifications
At recommended operating conditions with OVDD of 3.3 V ± 5%
Parameter
Symbol1
Min
Max
Unit
Notes
SCL clock frequency
fI2C
0400
kHz
2
Low period of the SCL clock
tI2CL
1.3
μs—
High period of the SCL clock
tI2CH
0.6
μs—
Setup time for a repeated START condition
tI2SVKH
0.6
μs—
Hold time (repeated) START condition (after this period,
the first clock pulse is generated)
tI2SXKL
0.6
μs—
Data setup time
tI2DVKH
100
ns
Data input hold time:
CBUS compatible masters
I2C bus devices
tI2DXKL
0
μs3
Data output delay time
tI2OVKL
—0.9
μs4
Setup time for STOP condition
tI2PVKH
0.6
μs—
Bus free time between a STOP and START condition
tI2KHDX
1.3
μs—
Table 56. I2C DC Electrical Characteristics (continued)
For recommended operating conditions, see Table 3
Parameter
Symbol
Min
Max
Unit
Notes
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