at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 250

• Manufacturer Part Number: at85c51snd3
• Description: At85c51snd3 Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
• Manufacturer: ATMEL Corporation

MMC Interface
Definition of symbols
Timings
Waveforms
LCD Interface
Definition of Symbols
250
AT85C51SND3B
Table 278. MMC Interface Timing Symbol Definitions
Table 279. MMC Interface AC timings
V
Figure 144. MMC Input-Output Waveforms
Table 280. LCD Interface Timing Symbol Definitions
C
D
O
t
t
t
t
t
t
t
t
t
D
Q
CHCH
CHCX
CLCX
CLCH
CHCL
DVCH
CHDX
CHOX
OVCH
DD
= 1.65 to 3.6 V; T
Symbol
MCMD Output
MDAT Output
MCMD Input
MDAT Input
Signals
Signals
MCLK
Parameter
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
LCD7:0 In
LCD7:0 Out
A
= -40 to +85°C, CL ≤ 40pF (4 cards)
t
CHIX
t
CHCX
t
CHOX
t
CHCL
t
CHCH
H
L
V
X
H
L
t
CLCX
Min
t
40
10
10
OVCH
3
3
5
5
t
CLCH
t
Conditions
Conditions
IVCH
Max
High
Low
Valid
No Longer Valid
High
Low
10
10
7632D–MP3–01/07
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns