
48
AT/TSC8x251G2D
4135F–8051–11/06
Waveforms in Non-Page Mode
Figure 8.
External Bus Cycle: Code Fetch (Non-Page Mode)
Note:
1. The value of this parameter depends on wait states. See
Table 39 and
Table 40.
Figure 9.
External Bus Cycle: Data Read (Non-Page Mode)
Note:
1. The value of this parameter depends on wait states. See
Table 39 and
Table 40.
TAVDV2
(1)
TAVDV1
(1)
TLLAX
TRHDZ1
TRHDX
TRHAX
TAVRL
(1)
P2/A16/A17
P0
PSEN#
ALE
TLHLL(1)
TRLRH(1)
Instruction In
A15:8/A16/A17
TRLAZ
TLLRL(1)
TRHLH1
TRLDV(1)
TAVLL
(1)
TLHAX
(1)
A7:0
D7:0
TAVDV2
(1)
TAVDV1
(1)
TLLAX
TRHAX
TRHDX
TRHDZ2
TAVLL
(1)
TAVRL
(1)
P2/A16/A17
P0
RD#/PSEN#
ALE
TLHLL(1)
TRLRH(1)
TLHAX
(1)
Data In
A15:8/A16/A17
TRLAZ
TLLRL(1)
TRHLH2
TRLDV(1)
D7:0
A7:0