DS80C320-FCG Maxim Integrated Products, DS80C320-FCG Datasheet - Page 24

• 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—DS80C320
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
Port 0 Address Valid to
Port 2 Address Valid to
Data Valid to
Data Hold After Write
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
Low
Low
MCS
PARAMETER
WR
is a time period related to the Stretch memory cycle selection. The following table shows the value of
High to ALE
RD
WR
or
Transition
M2
WR
0
0
0
0
1
1
1
1
RD
RD
Low
or
or
M1
0
0
1
1
0
0
1
1
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AVDV1
AVDV2
AVWL1
AVWL2
t
WLWH
QVWX
WHQX
WHLH
RLDV
RHDX
RHDZ
LLWL
RLRH
LLDV
RLAZ
M0
0
1
0
1
0
1
0
1
DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
2.5t
0.5t
1.5t
1.5t
24 of 38
2t
2t
2t
t
t
t
2t
3 machine cycles (default)
t
t
t
CLCL
CLCL
CLCL
MCS
MCS
CLCL
CLCL
CLCL
CLCL
MIN
CLCL
CLCL
CLCL
CLCL
CLCL
-9
VARIABLE CLOCK
0
0
MOVX CYCLES
-11
-11
-11
-10
-12
2 machine cycles
4 machine cycles
5 machine cycles
6 machine cycles
7 machine cycles
8 machine cycles
9 machine cycles
-11
-11
-10
-5
-7
-13
-8
-7
-9
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
-31+t
10
-28+t
-34+t
-25
+11
-25
-5
-27
-5
-27
-32
+6
+8
MCS
MCS
MCS
12 t
16 t
20 t
24 t
28 t
4 t
8 t
t
MCS
CLCL
CLCL
0
UNITS
CLCL
CLCL
CLCL
CLCL
CLCL
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