aduc831bcp-reel Analog Devices, Inc., aduc831bcp-reel Datasheet - Page 67
aduc831bcp-reel
Manufacturer Part Number
aduc831bcp-reel
Description
Microconverter, 12-bit Adcs And Dacs With Embedded 62 Kbytes Flash Mcu
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUC831BCP-REEL.pdf
(76 pages)
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Parameter
EXTERNAL PROGRAM MEMORY READ CYCLE
t
t
t
t
t
t
t
t
t
t
t
t
REV. 0
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
AVIV
PLAZ
PHAX
ALE Pulsewidth
Address Valid to ALE Low
Address Hold after ALE Low
ALE Low to Valid Instruction In
ALE Low to PSEN Low
PSEN Pulsewidth
PSEN Low to Valid Instruction In
Input Instruction Hold after PSEN
Input Instruction Float after PSEN
Address to Valid Instruction In
PSEN Low to Address Float
Address Hold after PSEN High
PORT 0 (I/O)
PORT 2 (O)
PSEN (O)
ALE (O)
M
CLK
Figure 70. External Program Memory Read Cycle
t
LHLL
t
AVLL
(OUT)
PCL
t
t
LLPL
LLAX
Min
127
43
53
53
205
0
0
t
AVIV
–67–
12 MHz
t
PLAZ
PCH
59
Max
234
145
312
25
t
PLPH
t
t
LLIV
PLIV
INSTRUCTION
(IN)
t
PXIX
Min
2t
t
t
t
3t
0
0
CK
CK
CK
CK
CK
Variable Clock
– 40
– 30
– 30
– 40
– 45
t
PXIZ
t
PHAX
Max
4t
3t
t
5t
25
CK
CK
CK
CK
– 25
– 100
– 105
– 105
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ADuC831
Figure
70
70
70
70
70
70
70
70
70
70
70
70
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