參數(shù)資料
型號(hào): MCIMX31
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Multimedia Applications Processors
中文描述: 多媒體應(yīng)用處理器
文件頁數(shù): 70/170頁
文件大?。?/td> 1562K
代理商: MCIMX31
i.MX31/i.MX31L Advance Information, Rev. 1.4
70
Freescale Semiconductor
Preliminary
Electrical Characteristics
4.3.3
Clock Amplifier Module (CAMP) Electrical Characteristics
This section outlines the Clock Amplifier Module (CAMP) specific electrical characteristics.
Table 19
shows clock amplifier electrical characteristics.
4.3.4
1-Wire Electrical Specifications
Figure 5
depicts the RPP timing, and
Table 20
lists the RPP timing parameters.
Figure 5. Reset and Presence Pulses (RPP) Timing Diagram
Figure 6
depicts Write 0 Sequence timing, and
Table 21
lists the timing parameters.
Table 19. Clock Amplifier Electrical Characteristics
Parameter
Min
Typ
Max
Units
Input Frequency
8.0
34.0
MHz
VIL (for square input)
0
0.3
V
VIH (for square input)
(VDD
1
- 0.25)
1
VDD is the supply voltage of CAMP
2
This value of the sinusoidal input will be measured through characterization.
3
V
Sinusoidal Input Amplitude
0.4
2
VDD
Vp-p
Duty Cycle
45
50
55
%
Table 20. RPP Sequence Delay Comparisons Timing Parameters
ID
Parameters
Symbol
Min
Typ
Max
Units
OW1
Reset Time Low
t
RSTL
480
511
μs
OW2
Presence Detect High
t
PDH
15
60
μs
OW3
Presence Detect Low
t
PDL
60
240
μs
OW4
Reset Time High
t
RSTH
480
512
μs
1-Wire bus
(BATT_LINE)
DS2502 Tx
“Presence Pulse”
OWIRE Tx
“Reset Pulse”
OW1
OW2
OW3
OW4
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