DS80C310-MCG+ Dallas Semiconductor, DS80C310-MCG+ Datasheet - Page 14

• Manufacturer Part Number: DS80C310-MCG+
• Description: 8BIT CISC ROMLESS 25MHZ 5V 40PDIP
• Manufacturer: Dallas Semiconductor

Specifications of DS80C310-MCG+

• Eeprom Memory: 0 Bytes
• Input Output: 32
• Interface: UART
• Memory Type: ROMless
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 0 Bytes
• Ram Size: 256 Bytes
• Speed: 25 MHz
• Timers: 3-16-bit
• Voltage, Range: 4-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part

MOVX CHARACTERISTICS
Data Access ALE Pulse Width
Port 0 Address Valid to ALE Low
Address Hold after ALE Low for
MOVX Write
RD Pulse Width
WR Pulse Width
RD Low to Valid Data In
Data Hold after Read
Data Float after Read
ALE Low to Valid Data In
Port 0 Address to Valid Data In
Port 2 Address to Valid Data In
ALE Low to RD or WR Low
Port 0 Address to RD or WR Low
Port 2 Address to RD or WR Low
Data Valid to WR Transition
Data Hold after Write
RD Low to Address Float
RD or WR High to ALE High
Note 1:
PARAMETER
t
stretch selection.
MCS
is a time period related to the stretch memory cycle selection. The following table shows the value of t
M2
0
0
0
0
1
1
1
1
M1
0
0
1
1
0
0
1
1
M0
0
1
0
1
0
1
0
1
3 machine cycles (default)
MOVX CYCLES
2 machine cycles
4 machine cycles
5 machine cycles
6 machine cycles
7 machine cycles
8 machine cycles
9 machine cycles
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AVWL1
AVWL2
AVDV1
AVDV2
t
AVLL2
LLAX2
WLWH
LHLL2
QVWX
WHQX
WHLH
RLDV
RHDX
RHDZ
LLWL
RLRH
LLDV
RLAZ
14 of 24
0.5t
0.5t
1.5t
2.5t
1.5t
0.5t
2t
12 t
16 t
20 t
24 t
28 t
2t
2t
2t
2t
t
t
t
4 t
8 t
t
t
t
t
t
CLCL
VARIABLE CLOCK
MCS
MCS
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
MIN
MCS
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
-14
CLCL
CLCL
0
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0
0
-10
-10
-11
-5
-7
-8
-9
-10
-5
-5
-5
-5
-8
-15
-14
-10
-10
-5
-5
2.0t
2.5t
t
CLCL
2.5t
3.5t
0.5t
2t
3t
(Note 2)
2t
t
t
t
t
CLCL+
CLCL+
MAX
MCS
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
+t
CLCL
CLCL
CLCL
25
35
10
MCS
-20
+5
+9
-20
-5
-22
-5
t
t
-28
-35
+5
MCS
MCS
-40
-
-
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MCS
STRETCH
for each
(Note 1)
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
DS80C310
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
MCS
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0
=0
>0