AT83C51SND1C_03 ATMEL [ATMEL Corporation], AT83C51SND1C_03 Datasheet - Page 195

• Manufacturer Part Number: AT83C51SND1C_03
• Description: Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
• Manufacturer: ATMEL [ATMEL Corporation]

MMC Interface
Definition of symbols
Timings
Waveforms
4109E–8051–06/03
Table 168. MMC Interface Timing Symbol Definitions
Table 169. MMC Interface AC timings
V
Figure 151. MMC Input-Output Waveforms
C
D
O
T
T
T
T
T
T
T
T
T
DD
CHCH
CHCX
CLCX
CLCH
CHCL
DVCH
CHDX
CHOX
OVCH
= 2.7 to 3.3 V, T
Symbol
MCMD Output
MDAT Output
MCMD Input
MDAT Input
Signals
MCLK
Clock Period
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
Input Data Valid to Clock High
Input Data Hold after Clock High
Output Data Hold after Clock High
Output Data Valid to Clock High
Clock
Data In
Data Out
A
= -40 to +85°C, CL ≤ 100pF (10 cards)
Parameter
T
CHIX
T
T
CHCX
CHOX
T
CHCL
T
CHCH
H
L
V
X
AT8xC51SND1C
T
CLCX
Min
T
50
10
10
3
3
5
5
OVCH
T
CLCH
T
Conditions
IVCH
Max
High
Low
Valid
No Longer Valid
10
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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