參數(shù)資料
型號: MPC8560PXAPFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 833 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù): 59/108頁
文件大?。?/td> 2170K
代理商: MPC8560PXAPFB
MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1
54
Freescale Semiconductor
I2C
11 I2C
This section describes the DC and AC electrical characteristics for the I2C interface of the MPC8560.
11.1 I2C DC Electrical Characteristics
Table 39 provides the DC electrical characteristics for the I2C interface of the MPC8560.
11.2 I2C AC Electrical Specifications
Table 40 provides the AC timing parameters for the I2C interface of the MPC8560.
Table 39. I2C DC Electrical Characteristics
At recommended operating conditions with OVDD of 3.3 V ± 5%.
Parameter
Symbol
Min
Max
Unit
Notes
Input high voltage level
VIH
0.7
× OVDD
OVDD+ 0.3
V
Input low voltage level
VIL
–0.3
0.3
× OVDD
V
Low level output voltage
VOL
0
0.2
× OVDD
V
1
Pulse width of spikes which must be suppressed
by the input filter
tI2KHKL
0
50
ns
2
Input current each I/O pin (input voltage is
between 0.1
× OVDD and 0.9 × OVDD(max)
II
–10
10
A
3
Capacitance for each I/O pin
CI
10
pF
Notes:
1.Output voltage (open drain or open collector) condition = 3 mA sink current.
2.Refer to the MPC8560 PowerQUICC III Integrated Communications Processor Preliminary Reference Manual for
information on the digital filter used.
3.I/O pins will obstruct the SDA and SCL lines if OVDD is switched off.
Table 40. I2C AC Electrical Specifications
All values refer to VIH (min) and VIL (max) levels (see Table 39).
Parameter
Symbol 1
Min
Max
Unit
SCL clock frequency
fI2C
0
400
kHz
Low period of the SCL clock
tI2CL
6
1.3
s
High period of the SCL clock
tI2CH
6
0.6
s
Setup time for a repeated START condition
tI2SVKH
6
0.6
s
Hold time (repeated) START condition (after this period, the
first clock pulse is generated)
tI2SXKL
6
0.6
s
Data setup time
tI2DVKH
6
100
ns
Data hold time:
CBUS compatible masters
I2C bus devices
tI2DXKL
0 2
0.9 3
s
Set-up time for STOP condition
tI2PVKH
0.6
s
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