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26 PRELIMINARY
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Figure 11. External Bus Cycle: Data Read (Page Mode)
XTAL1
ALE
T
LHLL
†
T
RHDZ2
RD#/PSEN#
P2
P0/A16/A17
T
RHDX
T
RHLH2
T
RLRH
†
T
LLRL
†
T
AVLL
†
T
RLDV
†
T
RLAZ
T
AVRL
†
T
AVDV1
†
T
AVDV2
†
T
OSC
A4212-03
T
LHAX
†
Data In
†
The value of this parameter depends on wait states. See the table of AC characteristics.
A15:8
A7:0/A16/A17
D7:0
T
LLAX