TSC80251A1 Datasheet, PDF (129/166 Pages) TEMIC Semiconductors – Extended 8-bit Microcontroller with Analog Interfaces

TSC 80251A1
ALE
WR#
T_LHLL^K
T_WLWH^K
T_WHLH
T_LHAX^K
T_AVLL^K
T_LLAX
T_QVWH
T_WHQX
P0
A7:0
T_AVWL1^K
T_AVWL2^K
D7:0
Data Out
T_WHAX
P2
A15:8
K The value of this parameter depends on wait states. See the table of AC characteristics.
Figure 2.3. External Write Data Bus Cycle in non–page mode
ALE
PSEN#
T_LHLL^K
T_LLRL^K
T_RLRH^K
T_RHRL
T_RHLH1
T_RLDV^K
T_RLAZ
T_LHAX^K
T_AVLL^K
T_LLAX
T_RHDZ
T_RHDX
P0
A15:8
D7:0
D7:0
T_AVRL^K
T_AVDV1^K
T_AVDV2^K
Instruction In
Instruction In
T_AVDV3^K
P2
A7:0
A7:0
Page Miss ^KK
Page hit ^KK
K The value of this parameter depends on wait states. See the table of AC characteristics.
KK A page hit (i.e., a code fetch to the same 256-byte “page” as the previous code fetch) requires one state
(2T_OSC); a page miss requires two states (4T_OSC).
Figure 2.4. External Instruction Bus Cycle in page mode
III. 2.4
Rev. B (20/09/96)