7548 Group

Features: • Basic machine-language instructions ..................71• The minimum instruction execution time .... 0.25 s(at 8 MHz oscillation frequency, double-speed mode)• Memory size ROM ................................... 2 K, 4K, 6 K bytes RAM ...................................

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7548 Group Picture
SeekIC No. : 004252110 Detail

7548 Group: Features: • Basic machine-language instructions ..................71• The minimum instruction execution time .... 0.25 s(at 8 MHz oscillation frequency, double-speed mode)• Memory ...

floor Price/Ceiling Price

Part Number:
7548 Group
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Features:

• Basic machine-language instructions ..................71
• The minimum instruction execution time .... 0.25 s
(at 8 MHz oscillation frequency, double-speed mode)
• Memory size
           ROM ................................... 2 K, 4K, 6 K bytes
           RAM ........................................ 192/256 bytes
• Programmable I/O ports
      I/O port............................................................15
      Output port........................................................1
• Key-on wakeup.....................................................6
• LED direct drive port............................................. 8
• Interrupts ............................13 sources, 13 vectors
• Timers .......................................................8-bit * 2
...................................................................16-bit * 1
• Output compare ...................................... 3 channel
• Input capture .......................................... 1 channel
• Serial interface...........................................8-bit * 1
(UART or clock synchronous)
• A/D converter ........... 10-bit resolution * 6-channel
• Clock generating circuit ........................ Built-in type
(connect to external ceramic resonator or quartz-crystal oscillator,
32 kHz quartz-crystal oscillation available)
• High-speed on-chip oscillator .............. Typ. : 4 MHz
• Low-speed on-chip oscillator ............ Typ. : 250 kHz
• Watchdog timer ...................................... 16-bit * 1
• Power-on reset circuit............................ Built-in type
• Low voltage detection circuit ................. Built-in type
• Power source voltage
XIN oscillation frequency
(at ceramic resonator, in double-speed mode)
           At 8 MHz ........................................ 4.5 to 5.5 V
           At 2 MHz ........................................ 2.4 to 5.5 V
           At 1 MHz ........................................ 2.2 to 5.5 V
XIN oscillation frequency
(at ceramic resonator, in high-speed mode)
           At 8 MHz ........................................ 4.0 to 5.5 V
           At 4 MHz ........................................ 2.4 to 5.5 V
           At 1 MHz ........................................ 1.8 to 5.5 V
High-speed on-chip oscillator oscillation frequency
           At 4 MHz......................................... 4.0 to 5.5 V
Low-speed on-chip oscillator oscillation frequency
      At 250 kHz (typ. value at VCC = 5 V)... 1.8 to 5.5 V
• Power dissipation .......................................... 30 mW
• Operating temperature range ............... -20 to 85°C



Application

Office automation equipment, factory automation equipment, home electric appliances, consumer electronics, etc.




Pinout

  Connection Diagram




Specifications

Symbol Parameter Conditions Ratings Unit
VCC Power source voltage All voltages are based
on VSS.
When an input voltage
is measured, output
transistors are cut off.
−0.3 to 6.5 V
VI Input voltage
P00−P07, P10−P15, P20, P21
−0.3 to VCC + 0.3 V
VI Input voltage RESET −0.3 to VCC + 0.3 V
VI Input voltage CNVSS −0.3 to VCC + 0.3 V
VO Output voltage
P00−P07, P10−P15, P20, P21
−0.3 to VCC + 0.3 V
Pd Power dissipation Ta = 25 °C 300 mW
Topr Operating temperature   −20 to 85 °C
Tstg Storage temperature −40 to 125 °C



Description

The 7548 Group is the 8-bit microcomputer based on the 740 family core technology.

The 7548 Group has an 8-bit timer, 16-bit timer, serial interface,A/D converter, power-on reset circuit and the low voltage detection circuit. Also, the Function set ROM is equipped.




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