vrs51c1000 Ramtron Corporation, vrs51c1000 Datasheet - Page 44
vrs51c1000
Manufacturer Part Number
vrs51c1000
Description
Versa 8051 Mcu With 64kb Of Iap/isp Flash
Manufacturer
Ramtron Corporation
Datasheet
1.VRS51C1000.pdf
(48 pages)
- Current page: 44 of 48
- Download datasheet (590Kb)
External Data Memory Read Cycle
The following timing diagram provides External Data Memory Read Cycle timing information.
______________________________________________________________________________________________
www.ramtron.com
F
IGURE
VRS51C1000
PORT 0
PORT 2
#PSEN
30: E
#RD
ALE
XTERNAL
D
ATA
M
EMORY
R
EAD
TAVLL
C
YCLE
From Ri or DPL
TAVYL
A0-A7
TLLAX
TLLYL
P2.0-P2.7 or A8 -A15 from DPH
TAVDV
TLLDV
TRLAZ
TRLDV
TRLRH
DATA IN
TRHDX
TRHDZ
TYHLH
From PCL
A8-A15 from PCH
A0-A7
page 44 of 48
INSTRL
IN
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