DS80C390-QCR+ Maxim Integrated Products, DS80C390-QCR+ Datasheet - Page 21

• Manufacturer Part Number: DS80C390-QCR+
• Description: IC MPU CAN DUAL HS 68-PLCC
• Manufacturer: Maxim Integrated Products
• Series: 80Cr

Specifications of DS80C390-QCR+

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, EBI/EMI, SIO, UART/USART
• Peripherals: Power-Fail Reset, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3.85 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-LCC, 68-PLCC
• Processor Series: DS80C390
• Core: 8051
• Data Bus Width: 8 bit
• Program Memory Size: 4 KB
• Data Ram Size: 4 KB
• Interface Type: CAN, IrDA
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 3.85 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: 0 C
• Package: 68PLCC
• Device Core: 8051
• Family Name: 80C
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Figure 24. Nonmultiplexed 9-Cycle Data Memory CE0-3 Write
t
EXTERNAL CLOCK CHARACTERISTICS
Figure 25. External Clock Drive
MCS
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
4X/2X
SYSTEM CLOCK SELECTION
TIME PERIODS
X
X
1
0
PARAMETER
CD1
0
0
1
1
CD0
0
0
0
1
SYMBOL
t
t
t
t
CHCX
CLCH
CHCL
CLCX
1024 t
1 t
2 t
4 t
t
MCS
CLCL
CLCL
CLCL
CLCL
MIN
8
8
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MAX
4
4
UNITS
ns
ns
ns
ns