EVAL-ADUC842QSZ Analog Devices Inc, EVAL-ADUC842QSZ Datasheet - Page 79

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EVAL-ADUC842QSZ

Manufacturer Part Number
EVAL-ADUC842QSZ
Description
Analog MCU Evaluation Board
Manufacturer
Analog Devices Inc
Series
QuickStart™ Kitr
Type
MCUr

Specifications of EVAL-ADUC842QSZ

Silicon Manufacturer
Analog Devices
Core Architecture
8052
Silicon Core Number
ADuC842
Tool / Board Applications
General Purpose MCU, MPU, DSP, DSC
Mcu Supported Families
ADUC8xx
Contents
Evaluation Board, Power Supply, Cable, Software and Documentation
Development Tool Type
Hardware - Eval/Demo Board
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ADuC824
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Parameter
EXTERNAL DATA MEMORY READ CYCLE
t
t
t
t
t
t
t
t
t
t
t
t
RLRH
AVLL
LLAX
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
RLAZ
WHLH
RD Pulse Width
Address Valid after ALE Low
Address Hold after ALE Low
RD Low to Valid Data In
Data and Address Hold after RD
Data Float after RD
ALE Low to Valid Data In
Address to Valid Data In
ALE Low to RD or WR Low
Address Valid to RD or WR Low
RD Low to Address Float
RD or WR High to ALE High
PORT 0 (I/O)
PORT 2 (O)
PSEN (O)
ALE (O)
RD (O)
t
AVLL
A0 A7 (OUT)
A16 A23
t
AVDV
t
Figure 88. External Data Memory Read Cycle
LLAX
t
AVWL
t
LLWL
t
LLDV
Min
60
60
145
0
130
190
60
Rev. 0 | Page 79 of 88
t
RLAZ
t
16 MHz Core Clk
RLDV
A8 A15
Max
48
150
170
230
15
t
DATA (IN)
RLRH
t
RHDX
ADuC841/ADuC842/ADuC843
t
Min
125
120
290
0
255
375
120
WHLH
t
RHDZ
8 MHz Core Clock
Max
100
625
350
470
35
Unit
ns
ns
ns
Ns
ns
ns
ns
ns
ns
ns
ns
ns

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