8-BIT MICROCONTROLLER
W78C58 8-BIT MICROCONTROLLER
GENERAL DESCRIPTION
The W78C58 is a derivative of the W78C52 microcontroller family that pr...
Description
W78C58 8-BIT MICROCONTROLLER
GENERAL 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 device 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.
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
-1-
Publication Release Date: December 1997 Revision A5
W78C58
PIN CONFIGURATIONS
40-Pin DIP (W78C58)
T2, P1.0 T2EX, P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST RXD, P3.0 TXD, P3.1 INT0, P3.2 INT1, P3.3 T0, P3.4 T1, P...
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