DOC4106 datasheet(30/47 Pages) ATMEL

部件名	DOC4106

功能描述	Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface

PDF	47 Pages

Scroll/Zoom	100%

制造商	ATMEL [ATMEL Corporation]

网页	http://www.atmel.com

标志

30 / 47 page

AT8xC51SND1C

4106F–8051–10/02

Table 41. External 8-bit Bus Cycle – Data Write AC Timings

VDD =2.7 to 3.3V, TA =-40° to +85°C

Waveforms

Figure 15. External 8-bit Bus Cycle – Data Read Waveforms

Symbol

Parameter

Variable Clock

Standard Mode

Variable Clock

X2 Mode

Unit

Min

Max

Min

Max

CLCL

Clock Period

LHLL

ALE Pulse Width

2·T

CLCL-15

AVLL

Address Valid to ALE Low

CLCL-20

0.5·T

CLCL-20

LLAX

Address Hold after ALE

Low

CLCL-20

0.5·T

CLCL-20

TLLWL

ALE Low to WR Low

3·TCLCL-30

1.5·TCLCL-30

TWLWH

WR Pulse Width

6·TCLCL-25

3·TCLCL-25

TWHLH

WR High to ALE High

TCLCL-20

TCLCL+20

0.5·TCLCL-20

0.5·TCLCL+20

TAVWL

Address Valid to WR Low

4·TCLCL-30

2·TCLCL-30

TQVWH

Data Valid to WR High

7·TCLCL-20

3.5·TCLCL-20

TWHQX

Data Hold after WR High

TCLCL-15

0.5·TCLCL-15

TAVDV

LLAX

RHDX

RHDZ

AVLL

TAVRL

ALE

TLHLL

TRLRH

Data In

A15:8

RLAZ

TLLRL

TRHLH

TRLDV

D7:0

A7:0

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