TSC80251-SK TEMIC [TEMIC Semiconductors], TSC80251-SK Datasheet - Page 43
TSC80251-SK
Manufacturer Part Number
TSC80251-SK
Description
8/16-bit Microcontroller with Serial Communication Interfaces
Manufacturer
TEMIC [TEMIC Semiconductors]
Datasheet
1.TSC80251-SK.pdf
(63 pages)
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Note:
1. The value of this parameter depends on wait states. See Table 45 and Table 46.
Waveforms in Page Mode
Notes:
1. The value of this parameter depends on wait states. See Table 45 and Table 46.
2. A page hit (i.e., a code fetch to the same 256-byte “page” as the previous code fetch) requires one state (2·T
3. During a sequence of page hits, PSEN# remains low until the end of the last page-hit cycle.
Rev. A - May 7, 1999
a page miss requires two states (4·T
P2/A16/A17
P0/A16/A17
PSEN#
WR#
ALE
ALE
P0
P2
(3)
Figure 18. External Bus Cycle: Data Write (Non-Page Mode)
Figure 19. External Bus Cycle: Code Fetch (Page Mode)
OSC
).
T
T
T
T
LHLL
T
AVLL
LHLL
AVWL2
AVLL
T
A7:0/A16/A17
(1)
T
Page Miss
T
(1)
AVWL1
(1)
T
T
LHAX
(1)
AVDV2
LHAX
AVRL
(1)
A7:0
T
A15:8
T
AVDV1
(1)
T
T
(1)
RLAZ
(1)
(1)
T
LLRL
(1)
LLAX
LLAX
A15:8/A16/A17
(2)
(1)
(1)
T
T
RLDV
WLWH
(1)
(1)
Instruction In
T
D7:0
AXDX
T
QVWH
Data Out
T
T
WHAX
T
D7:0
AVDV3
WHQX
Page Hit
A7:0/A16/A17
TSC80251G2D
T
T
T
RHDZ1
WHLH
(1)
RHDX
(2)
Instruction In
D7:0
OSC
T
RHAX
);
43
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