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W78C58

Features: · DC to 40 MHz extensive operating frequency· 256-byte on-chip scratch pad RAM· 32K-byte on-chip mask ROM· 64K-byte address space for external Program Memory· 64K-byte address space for external Data Memory· Three 16-bit timer/counters· Four 8-bit bit-addressable I/O ports· One extra 4-b...

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SeekIC No. : 004544992 Detail

W78C58: Features: · DC to 40 MHz extensive operating frequency· 256-byte on-chip scratch pad RAM· 32K-byte on-chip mask ROM· 64K-byte address space for external Program Memory· 64K-byte address space for ex...

W78C58 Data Sheet

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Part Number:
W78C58
Supply Ability:
5000

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

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Product Details

Description



Features:

· DC to 40 MHz extensive operating frequency
· 256-byte on-chip scratch pad RAM
· 32K-byte on-chip mask ROM
· 64K-byte address space for external Program Memory
· 64K-byte address space for external Data Memory
· Three 16-bit timer/counters
· Four 8-bit bit-addressable I/O ports
· One extra 4-bit bit-addressable I/O port, additonal INT2 / INT3(Available on 44-pin PLCC/QFP package)
· Eight-source, two priority-level interrupts
· Low EMI emission mode
· Built-in programmable power-saving modes - Idle mode & Power-down mode
· Packages:
   - DIP 40: W78C58-16/24/40
   - PLCC 44: W78C58P-16/24/40
   - QFP 44: W78C58F-16/24/40
   - TQFP 44: W78C58M-16/24/40


Pinout

Connection Diagram


Specifications

PARAMETER SYMBOL MIN MAX UNIT
DC Power Supply VCC-VSS -0.3 +7.0 V
Input Voltage VIN VSS -0.3 VCC +0.3 V
Operating Temperature TA 0 70 °C
Storage Temperatute Tst -55 +150 °C



Description

The W78C58 is a derivative of the W78C52 microcontroller family that provides extended internal ROM. The chip has 32K bytes of mask ROM and 256 bytes of RAM.

This W78C58 provides an enhanced architecture that makes it more powerful and suitable for a variety of applications for general control systems. It provides on-chip 32KB mask ROM to accommodate large program codes, 256-bytes of non-volatile on-chip RAM, four 8-bit I/O ports, one 4-bit I/O port, three 16-bit timer/counters, eight sources with two-level interrupt structures, and on-chip oscillator clock circuits




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