Atmel AT85DVK-07 Spezifikationen PDF herunterladen (Seite 246)

AT85C51SND3Bx

7632A–MP3–03/06

AC Characteristics

NFC Interface

Definition of Symbols Table 1. NFC Interface Timing Symbol Definitions

Timings Table 267. NFC Interface AC timings

= 1.65 to 3.6 V; T

= -40 to +85°C, CL ≤ 40pF (4 NF)

Note: 1. Refer to TRS bit in NFCON register.

Signals Conditions

D NFD7:0 In H High

O NFD7:0 Out L Low

R NFRE V Valid

W NFWE X No Longer Valid

E NFCEn Z Floating

A NFALE

C NFCLE

Symbol Parameter Min Max Unit

ELWH

NFCEn Write Setup Time 3·T

NFC

-?? ns

WHEH

NFCEn Write Hold Time 1·T

NFC

-?? ns

CHWH

NFCLE Setup Time 3·T

NFC

-?? ns

WHCL

NFCLE Hold Time 1·T

NFC

-?? ns

AHWH

NFALE Setup Time 3·T

NFC

-?? ns

WHAL

NFALE Hold Time 1·T

NFC

-?? ns

WLWH

NFWE Pulse Width 2·T

NFC

-?? ns

OVWH

Data Setup Time 2·T

NFC

-?? ns

WHOX

Data Hold Time 1·T

NFC

-?? ns

ELDV

NFCEn Access Time ?? ns

RLRH

NFRE Pulse Width

2·T

NFC

-??

3·T

NFC

-??

(1)

RLDV

NFRE Access Time ?? ns

RHDX

Data Hold Time ?? ns

RHDZ

Data Float after NFRE High ?? ns

EHDZ

Data Float after NFCEn High ?? ns

1 2 ... 241 242 243 244 245 246 247 248 249 250 251 ... 262 263

Kommentare zu diesen Handbüchern

Keine Kommentare

Atmel AT85DVK-07 Spezifikationen Seite 246

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Vernetzung Atmel AT85DVK-07