DS80C320-FCG Maxim Integrated Products, DS80C320-FCG Datasheet - Page 28

• Manufacturer Part Number: DS80C320-FCG
• Description: IC MCU HI SPEED 25MHZ 44-MQFP
• Manufacturer: Maxim Integrated Products
• Series: 80Cr

Specifications of DS80C320-FCG

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SIO, UART/USART
• Peripherals: Power-Fail Reset, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-MQFP, 44-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

MOVX CHARACTERISTICS—DS80C323
Note: t
t
MCS
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
Low
Port 0 Address Valid to
or
Port 2 Address Valid to
or
Data Valid to
Data Hold After Write
ALE High
RD
RD
RD
RD
WR
WR
WR
for each Stretch selection.
Pulse Width
Low to Valid Data In
Low to Address Float
or
Pulse Width
MCS
PARAMETER
WR
Low
Low
is a time period related to the Stretch memory cycle selection. The following table shows the value of
High to
RD
WR
or
Transition
WR
M2
0
0
0
0
1
1
1
1
RD
RD
M1
SYMBOL
0
0
1
1
0
0
1
1
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AVWL1
AVWL2
t
AVDV1
AVDV2
WLWH
QVWX
WHQX
WHLH
RHDX
LLWL
RLRH
RLDV
RHDZ
LLDV
RLAZ
M0
0
1
0
1
0
1
0
1
DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
0.5t
1.5t
1.5t
2.5t
3 machine cycles (default)
2t
2t
2t
2t
28 of 38
t
t
t
t
t
t
CLCL
CLCL
CLCL
MCS
MCS
CLCL
CLCL
CLCL
CLCL
CLCL
MIN
VARIABLE CLOCK
CLCL
CLCL
CLCL
CLCL
-14
MOVX CYCLES
-1
2 machine cycles
4 machine cycles
5 machine cycles
6 machine cycles
7 machine cycles
8 machine cycles
9 machine cycles
0
-11
-11
-10
-13
-15
-11
-11
-10
-13
-5
-18
-11
-27
-25
1.5t
2.5t
2t
2.5t
3.5t
CLCL
0.5t
1.5t
2t
3t
CLCL
CLCL
t
(Note 5)
2t
t
CLCL
t
MAX
MCS
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
-42+t
14
-45+t
-59+t
-36
+16
-32
-5
-40
-7
-43
-58
+7
+8
MCS
MCS
MCS
12 t
16 t
20 t
24 t
28 t
4 t
8 t
t
MCS
CLCL
CLCL
0
CLCL
CLCL
CLCL
CLCL
CLCL
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
STRETCH
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
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