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DS80CH11 Datasheet, PDF (77/88 Pages) Dallas Semiconductor – System Energy Manager | |||
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DS80CH11
13.3.2 MOVX USING STRETCH MEMORY CYCLES
(0°C to 70°C; VCC=5.0 ± 10%)
VARIABLE CLOCK
PARAMETER
SYMBOL
MIN
MAX
UNITS STRETCH
Data Access ALE Pulse Width
tLHLL2
1.5tCLCLâ5
ns
2tCLCLâ5
Address Hold after ALE Low for
tLLAX2
0.5tCLCLâ5
ns
MOVX Write
tCLCLâ5
RD Pulse Width
tRLRH
2tCLCLâ5
ns
tMCSâ10
WR Pulse Width
tWLWH
2tCLCLâ5
ns
tMCSâ10
RD Low to Valid Data In
tRLDV
2tCLCLâ20
ns
tMCSâ20
Data Hold after Read
tRHDX
0
ns
Data Float after Read
tRHDZ
tCLCLâ5
ns
2tCLCLâ5
ALE Low to Valid Data In
tLLDV
2.5tCLCLâ20
ns
tMCS+tCLCLâ40
Port 0 Address to Valid Data In
tAVDV1
3tCLCLâ20
ns
tMCS+1.5tCLCLâ20
Port 2 Address to Valid Data In
tAVDV2
3.5tCLCLâ20
ns
tMCS+2tCLCLâ20
ALE Low to RD or WR Low
tLLWL
0.5tCLCLâ5
0.5tCLCL+5
ns
tCLCLâ5
tCLCL+5
Port 0 Address to RD or WR Low
tAVWL1
tCLCLâ5
ns
2tCLCLâ5
Port 2 Address to RD or WR Low
tAVWL2
1.5tCLCLâ5
ns
2.5tCLCLâ5
Data Valid to WR Transition
tQVWX
â5
ns
Data Hold after Write
tWHQX
tCLCLâ5
ns
2tCLCLâ5
RD Low to Address Float
tRLAZ
â0.5tCLCLâ5
ns
RD or WR High to ALE High
tWHLH
0
10
ns
tCLCLâ5
tCLCL+5
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
tMCS>0
tMCS=0
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
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
MOVX CYCLES
2 machine cycles
3 machine cycles (default)
4 machine cycles
5 machine cycles
6 machine cycles
7 machine cycles
8 machine cycles
9 machine cycles
tMCS
0
4 tCLCL
8 tCLCL
12 tCLCL
16 tCLCL
20 tCLCL
24 tCLCL
28 tCLCL
011200 77/88
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