參數(shù)資料
型號: MPC885ZP80
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
元件分類: 圓形連接器
英文描述: Circular Connector; Body Material:Aluminum; Series:PT07; Number of Contacts:12; Connector Shell Size:14; Connecting Termination:Solder; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Socket
中文描述: 硬件規(guī)格
文件頁數(shù): 68/92頁
文件大?。?/td> 1499K
代理商: MPC885ZP80
MPC885/MPC880 Hardware Specifications, Rev. 3
68
Freescale Semiconductor
CPM Electrical Characteristics
Table 29
provides the I
2
C (SCL > 100 KHz) timings.
210
SDL/SCL fall time
300
ns
211
Stop condition setup time
4.7
μ
s
1
SCL frequency is given by SCL = BRGCLK_frequency / ((BRG register + 3)
×
pre_scaler
×
2).
The ratio SyncClk/(BRGCLK/pre_scaler) must be greater or equal to 4/1.
Table 29. I
2
C Timing (SCL > 100 KH
Z
)
Num
Characteristic
Expression
All Frequencies
Unit
Min
Max
200
SCL clock frequency (slave)
fSCL
0
BRGCLK/48
Hz
200
SCL clock frequency (master)
1
1
SCL frequency is given by SCL = BrgClk_frequency / ((BRG register + 3)
×
pre_scaler
×
2).
The ratio SyncClk/(Brg_Clk/pre_scaler) must be greater or equal to 4/1.
fSCL
BRGCLK/16512
BRGCLK/48
Hz
202
Bus free time between transmissions
1/(2.2
×
fSCL)
s
203
Low period of SCL
1/(2.2
×
fSCL)
s
204
High period of SCL
1/(2.2
×
fSCL)
s
205
Start condition setup time
1/(2.2
×
fSCL)
s
206
Start condition hold time
1/(2.2
×
fSCL)
s
207
Data hold time
0
s
208
Data setup time
1/(40
×
fSCL)
s
209
SDL/SCL rise time
1/(10
×
fSCL)
s
210
SDL/SCL fall time
1/(33
×
fSCL)
s
211
Stop condition setup time
1/2(2.2
×
fSCL)
s
Table 28. I
2
C Timing (SCL < 100 KH
Z
) (continued)
Num
Characteristic
All Frequencies
Unit
Min
Max
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