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3851 Group

Features: `Basic machine-language instructions ...................................... 71`Minimum instruction execution time .................................. 0.5 s (at 8 MHz oscillation frequency)`Memory size ROM ............................................................................. 16 Kby...

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SeekIC No. : 004229386 Detail

3851 Group: Features: `Basic machine-language instructions ...................................... 71`Minimum instruction execution time .................................. 0.5 s (at 8 MHz oscillation frequency)`...

3851 Group Data Sheet

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Part Number:
3851 Group
Supply Ability:
5000

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

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Upload time: 2024/12/21

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Product Details

Description



Features:

`Basic machine-language instructions ...................................... 71
`Minimum instruction execution time .................................. 0.5 s
   (at 8 MHz oscillation frequency)
`Memory size
   ROM ............................................................................. 16 Kbytes
   RAM.............................................................................. 512 bytes
`Programmable input/output ports ............................................ 34
`Interrupts ................................................. 16 sources, 16 vectors
`Timers ............................................................................. 8-bit * 4
`Serial I/O ....................... 8-bit * 1(UART or Clock-synchronized)
`Multi-master I2C-bus interface (option) ....................... 1 channel
`PWM ............................................................................... 8-bit *1
`A-D converter ............................................... 10-bit 5 * channels
`Watchdog timer ............................................................ 16-bit *1
`Clock generating circuit ..................................... Built-in 2 circuits
   (connect to external ceramic resonator or quartz-crystal oscillator)
`Power source voltage
   In high-speed mode .................................................. 4.0 to 5.5 V
   (at 8 MHz oscillation frequency)
   In high-speed mode .................................................. 2.7 to 5.5 V
   (at 4 MHz oscillation frequency)
   In middle-speed mode ............................................... 2.7 to 5.5 V
   (at 8 MHz oscillation frequency)
   In low-speed mode .................................................... 2.7 to 5.5 V
   (at 32 kHz oscillation frequency)
`Power dissipation
   In high-speed mode ..........................................................34 mW
   (at 8 MHz oscillation frequency, at 5 V power source voltage)
   In low-speed mode ............................................................ 60 mW
   (at 32 kHz oscillation frequency, at 3 V power source voltage)
`Operating temperature range.................................... 20 to 85


Application

Office automation equipment, FA equipment, Household products, Consumer electronics, etc.




Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Ratings
Unit
VCC
 Power source voltage All voltages are based on VSS.
Output transistors are cut off.
0.3 to 7.0
V
VI
 Input voltage
   P00P07, P10P17, P20, P21,
   P24P27, P30P34, P40P44,
   VREF
0.3 to VCC +0.3
V
VI
 Input voltage    P22, P23
0.3 to 5.8
V
VI
 Input voltage RESET, XIN
0.3 to VCC +0.3
V
VI
 Input voltage CNVSS
0.3 to 13
V
IO
 Output voltage
   P00P07, P10P17, P20, P21,
   P24P27, P30P34, P40P44,
   XOUT
0.3 to VCC +0.3
V
VO
 Output voltage    P22, P23
0.3 to 5.8
V
PD
 Power Dissipation Ta = 25
300
mW
Topr
 Operating temperature  
20 to 85
Tstg
 Storage temperature  
40 to 125



Description

The 3851 Group is the 8-bit microcomputer based on the 740 family core technology.

The 3851 Group is designed for the household products and office automation equipment and includes serial I/O functions, 8-bit timer, A-D converter, and I2C-bus interface.




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