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DS80C320-ECG+ Datasheet(PDF) 28 Page - Maxim Integrated Products

Part # DS80C320-ECG+
Description  High-Speed/Low-Power Microcontrollers
PDF  40 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS80C320-ECG+ Datasheet(HTML) 28 Page - Maxim Integrated Products

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DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
28 of 40
MOVX CHARACTERISTICS—DS80C323
VARIABLE CLOCK
PARAMETER
SYMBOL
MIN
MAX
UNITS
STRETCH
2tCLCL-11
tMCS=0
RD
Pulse Width
tRLRH
tMCS-11
ns
tMCS>0
2tCLCL-11
tMCS=0
WR
Pulse Width
tWLWH
tMCS-11
ns
tMCS>0
2tCLCL-32
tMCS=0
RD
Low to Valid Data In
tRLDV
tMCS-36
ns
tMCS>0
Data Hold After Read
tRHDX
0
ns
tCLCL-5
tMCS=0
Data Float After Read
tRHDZ
2tCLCL-7
ns
tMCS>0
2.5tCLCL-43
tMCS=0
ALE Low to Valid Data In
tLLDV
1.5tCLCL-45+tMCS
ns
tMCS>0
3tCLCL-40
tMCS=0
Port 0 Address to Valid Data
In
tAVDV1
2tCLCL-42+tMCS
ns
tMCS>0
3.5tCLCL-58
tMCS=0
Port 2 Address to Valid Data
In
tAVDV2
2.5tCLCL-59+tMCS
ns
tMCS>0
0.5tCLCL-18
0.5tCLCL+7
tMCS=0
ALE Low to RD or WR
Low
tLLWL
1.5tCLCL-11
1.5tCLCL+8
ns
tMCS>0
tCLCL-10
tMCS=0
Port 0 Address Valid to RD
or WR Low
tAVWL1
2tCLCL-10
ns
tMCS>0
1.5tCLCL-27
tMCS=0
Port 2 Address Valid to RD
or WR Low
tAVWL2
2.5tCLCL-25
ns
tMCS>0
-14
tMCS=0
Data Valid to WR Transition
tQVWX
tCLCL-13
ns
tMCS>0
tCLCL-15
tMCS=0
Data Hold After Write
tWHQX
2tCLCL-13
ns
tMCS>0
RD
Low to Address Float
tRLAZ
(Note 5)
ns
-1
14
tMCS=0
RD
or WR High to
ALE High
tWHLH
tCLCL-5
tCLCL+16
ns
tMCS>0
Note: tMCS is a time period related to the Stretch memory cycle selection. The following table shows the value of
tMCS for each Stretch selection.
M2
M1
M0
MOVX CYCLES
tMCS
0
0
0
2 machine cycles
0
0
0
1
3 machine cycles (default)
4 tCLCL
0
1
0
4 machine cycles
8 tCLCL
0
1
1
5 machine cycles
12 tCLCL
1
0
0
6 machine cycles
16 tCLCL
1
0
1
7 machine cycles
20 tCLCL
1
1
0
8 machine cycles
24 tCLCL
1
1
1
9 machine cycles
28 tCLCL



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