st10f272z2 STMicroelectronics, st10f272z2 Datasheet - Page 170

• Manufacturer Part Number: st10f272z2
• Description: 16-bit Mcu With 256 Kbyte Flash Memory And 20 Kbyte Ram
• Manufacturer: STMicroelectronics

Electrical characteristics
Figure 55. External memory cycle: multiplexed bus, with/without r/w delay, normal ALE, r/w CS
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CLKOUT
ALE
A23-A16
(A15-A8)
BHE
Read Cycle
RdCSx
Write Cycle
WrCSx
Address/Data
Bus (P0)
Address/Data
Bus (P0)
t
t
5
t
6
6
Address
Address
t
t
43
43
t
t
42
42
t
7
t
17
t
45
t
t
16
16
t
47
t
Address
44
t
49
t
49
t
46
t
t
48
48
t
50
Data Out
Data In
t
51
t
t
27
t
55
t
52
25
Address
ST10F272Z2