参数资料
型号: AT89C51SND1C
厂商: Atmel Corp.
元件分类: DC/DC变换器
英文描述: DC-DC Converter, 15Watt, Input VDC: ?9~36, Output VDC: 15, Max Output Current(A): 1, Package: 2x1, Isolation(VDC): 1500, Operating Temp. -40??C to +75??C, Low Ripple & Noise, High Efficiency up to 85%, Low Profile Metal Package, Continuous Auto-Recovery, Single & Dual Ouput Regulated
中文描述: 单片微控制器,带有MP3解码器和人机界面
文件页数: 38/47页
文件大小: 791K
代理商: AT89C51SND1C
38
AT8xC51SND1C
4106F–8051–10/02
MMC Interface
Definition of Symbols
Table 48.
MMC Interface Timing Symbol Definitions
Timings
Table 49.
MMC Interface AC Timings
V
DD
= 2.7 to 3.3V, T
A
= 0 to 70
°
C, CL
100 pF (10 Cards)
Waveforms
Figure 24.
MMC Input-Output Waveforms
Signals
Conditions
C
Clock
H
High
D
Data In
L
Low
O
Data Out
V
Valid
X
No Longer Valid
Symbol
Parameter
Min
Max
Unit
T
CHCH
Clock Period
50
ns
T
CHCX
Clock High Time
10
ns
T
CLCX
Clock Low Time
10
ns
T
CLCH
Clock Rise Time
10
ns
T
CHCL
Clock Fall Time
10
ns
T
DVCH
Input Data Valid to Clock High
3
ns
T
CHDX
Input Data Hold after Clock High
3
ns
T
CHOX
Output Data Hold after Clock High
5
ns
T
OVCH
Output Data Valid to Clock High
5
ns
T
IVCH
MCLK
MDAT Input
T
CHCH
T
CLCX
T
CHCX
T
CHCL
T
CLCH
MCMD Input
T
CHIX
T
OVCH
MDAT Output
MCMD Output
T
CHOX
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