at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 248
at85c51snd3
Manufacturer Part Number
at85c51snd3
Description
At85c51snd3 Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
Manufacturer
ATMEL Corporation
Datasheet
1.AT85C51SND3.pdf
(271 pages)
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Waveforms
248
AT85C51SND3B
Table 276. NFC Interface Write Cycle AC timings
V
Table 277. NFC Interface Read Cycle AC timings
V
Note:
Figure 140. NFC Command Latch Cycle Waveforms
t
t
t
t
t
t
t
t
t
t
t
ELWH
WHEH
WLWH
QVWH
WHQX
RLRH
ELDV
RLDV
RHDX
RHDZ
EHDZ
DD
DD
= 1.65 to 3.6 V; T
= 1.65 to 3.6 V; T
Symbol
Symbol
NFD7:0
NFCEn
NFCLE
NFALE
NFWE
1. Refer to TRS bit in NFCON register.
Parameter
NFCEn Write Setup Time
NFCEn Write Hold Time
NFWE Pulse Width
Data Setup Time
Data Hold Time
Parameter
NFRE Pulse Width
NFCEn Access Time
NFRE Access Time
Data Hold Time
Data Float after NFRE High
Data Float after NFCEn High
A
A
= -40 to +85°C, CL ≤ 40pF (4 NF)
= -40 to +85°C, CL ≤ 40pF (4 NF)
t
t
CHWH
ELWH
t
t
WLWH
QVWH
Command
t
t
t
WHQX
WHEH
WHCL
3·T
1·T
2·T
2·T
1·T
2·T
3·T
Min
Min
NFC
NFC
NFC
NFC
NFC
NFC
NFC
??
-??
-??
-??
-??
-??
-??
-??
Max
Max
??
??
??
??
7632D–MP3–01/07
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(1)
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