TS80C52X2ZZZ-VIE ATMEL Corporation, TS80C52X2ZZZ-VIE Datasheet - Page 43
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TS80C52X2ZZZ-VIE
Manufacturer Part Number
TS80C52X2ZZZ-VIE
Description
At87c52x2 8-bit Microcontroller 8 Kbytes Rom/otp, Romless
Manufacturer
ATMEL Corporation
Datasheet
1.TS80C52X2ZZZ-VIE.pdf
(55 pages)
- Current page: 43 of 55
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External Program Memory
Read Cycle
Figure 18. External Program Memory Read Cycle
External Data Memory
Characteristics
4184I–8051–02/08
PORT 0
PORT 2
PSEN
ALE
INSTR IN
OR SFR-P2
ADDRESS
T
LHLL
Table 29. Symbol Description
T
T
LLAX
AVLL
Symbol
A0-A7
T
T
T
T
T
T
T
T
T
T
T
T
T
T
QVWH
WHQX
WLWH
QVWX
WHLH
RLRH
RHDX
RHDZ
AVDV
AVWL
RLDV
LLWL
RLAZ
LLDV
T
AVIV
ADDRESS A8-A15
T
LLIV
T
Parameter
RD Pulse Width
WR Pulse Width
RD to Valid Data In
Data Hold After RD
Data Float After RD
ALE to Valid Data In
Address to Valid Data In
ALE to WR or RD
Address to WR or RD
Data Valid to WR Transition
Data set-up to WR High
Data Hold After WR
RD Low to Address Float
RD or WR High to ALE high
LLPL
TPLAZ
T
PLIV
T
PLPH
INSTR IN
T
PXIX
12 T
CLCL
T
PXIZ
T
PXAV
A0-A7
ADDRESS A8-A15
INSTR IN
43
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