Position: Home  > All Categories> Integrated Circuits (ICs) > 3885

3885

Features: *Basic machine-language instructions .................................... 71*Minimum instruction execution time ................................ 0.5 µs (at 8 MHz oscillation frequency)*Memory size ROM ............................................................... 32K to 60K bytes ...

product image

3885 Picture
See larger image
SeekIC No. : 004229421 Detail

3885: Features: *Basic machine-language instructions .................................... 71*Minimum instruction execution time ................................ 0.5 µs (at 8 MHz oscillation frequenc...

3885 Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
3885
Supply Ability:
5000

Price Break

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

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2024/4/26

add to my favourite

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

*Basic machine-language instructions .................................... 71
*Minimum instruction execution time ................................ 0.5 µs
  (at 8 MHz oscillation frequency)
*Memory size
  ROM ............................................................... 32K to 60K bytes
  RAM............................................................. 1024 to 2048 bytes
*Programmable input/output ports ......................................... 72
*Software pull-up transistors .................................................... 8
*Interrupts ............................................... 22 sources, 16 vectors
*Timers .......................................................................... 8-bit * 4
*Watchdog timer ......................................................... 16-bit * 1
*PWM output ................................................................ 14-bit *2
*Serial I/O....................... 8-bit * 1(UART or Clock-synchronized)
*Multi-master I2C bus interface (option) ...................... 1 channel
*LPC interface ............................................................ 2 channels
*Serialized IRQ ................................................................ 3 factor
*A-D converter ............................................. 10-bit * 8 channels
*D-A converter ............................................... 8-bit * 2 channels
*Comparator circuit .................................................... 8 channels
*Clock generating circuit .................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
*Power source voltage.............................................. 3.0 to 3.6 V
*Power dissipation
  In high-speed mode ........................................................20 mW
  (at 8 MHz oscillation frequency, at 3.3 V power source voltage)
  In low-speed mode ....................................................... 330 mW
  (at 32 kHz oscillation frequency, at 3.3 V power source voltage)
*Operating temperature range...............................20 to 85°C


Application

Note book PC


Pinout

Connection Diagram


Specifications

Symbol Parameter Conditions Ratings Unit
VCC Power source voltages All voltages are based on VSS.
Output transistors are cut off.		 0.3 to 4.6 V
VI Input voltage P00P07, P10P17, P20P27,
P30P37, P40P47, P50P57,
P60P67, P80P87, VREF
RESET, XIN		 0.3 to VCC +0.3 V
VI Input voltage P70P77 0.3 to 5.8 V
VI Input voltage CNVSS (Note 1) 0.3 to 6.5 V
VI Input voltage CNVSS (Note 2) 0.3 to VCC +0.3 V
VO Output voltage P00P07, P10P17, P20P27,
P30P37, P40P47, P50P57,
P60P67, P80P87, XOUT		 0.3 to VCC +0.3 V
VO Output voltage P70P77 0.3 to 5.8 V
Pd Power dissipation Ta = 25 °C 500 mW
Topr Operating temperature   20 to 85 °C
Tstg Storage temperature 40 to 125 °C



Description

    The 3885 group is the 8-bit microcomputer based on the 740 family core technology.

    The 3885 group is designed for Keyboard Controller for the note book PC.

    The multi-master I2C-bus interface can be added by option.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
You may also be interested in :
Power Supplies - External/Internal (Off-Board)
A76L-0300-0077
A5E01231722-F2
Filters
PICO2205A
PICO2204A
Batteries, Chargers, Holders
ICR18650-28A
ICR18650-26F/h
Industrial Controls, Meters
SGDM-15ADA
41AA1600E
RF and RFID
X3C26P1-30S
1P620S
Test Equipment
TOP853
TOP2005
View more