參數(shù)資料
型號(hào): ADuC812
廠商: Analog Devices, Inc.
英文描述: 12-Bit ADC with Embedded FLASH MCU(12位8通道A/D轉(zhuǎn)換器)
中文描述: 12位ADC,嵌入式閃存微控制器(12位8通道的A / D轉(zhuǎn)換器)
文件頁(yè)數(shù): 22/31頁(yè)
文件大?。?/td> 543K
代理商: ADUC812
REV. 0
ADuC812
22
12 MHz
Min
Variable Clock
Min
Parameter
Max
Max
Units
Figure
EXTERNAL PROGRAM MEMORY
t
LHLL
ALE Pulsewidth
t
AVLL
Address Valid to ALE Low
t
LLAX
Address Hold After ALE Low
t
LLIV
ALE Low to Valid Instruction In
t
LLPL
ALE Low to
PSEN
Low
t
PLPH
PSEN
Pulsewidth
t
PLIV
PSEN
Low to Valid Instruction In
t
PXIX
Input Instruction Hold After
PSEN
t
PXIZ
Input Instruction Float After
PSEN
t
AVIV
Address to Valid Instruction In
t
PLAZ
PSEN
Low to Address Float
t
PHAX
Address Hold After
PSEN
High
127
43
53
2t
CK
– 40
t
CK
– 40
t
CK
– 30
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
22
22
22
22
22
22
22
22
22
22
22
22
234
4t
CK
– 100
53
205
t
CK
– 30
3t
CK
– 45
145
3t
CK
– 105
0
0
59
312
25
t
CK
– 25
5t
CK
– 105
25
0
0
MCLK
ALE (O)
PSEN
(O)
PORT 0 (I/O)
PORT 2 (O)
t
LHLL
t
AVLL
t
LLPL
t
PLPH
t
LLIV
t
PLIV
t
PLAZ
t
LLAX
t
PXIX
t
PXIZ
t
PHAX
t
AVIV
PCL (OUT)
INSTRUCTION
(IN)
PCH
Figure 22. External Program Memory Read Cycle
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