DS80C320 datasheet(1/42 Pages) DALLAS

No de pièce	DS80C320

Description	High-Speed/Low-Power Micro

PDF	42 Pages

Scroll/Zoom	100%

Fabricant	DALLAS [Dallas Semiconductor]

Site Internet	https://www.maximintegrated.com/en.html

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112299

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple

revisions of any device may be simultaneously available through various sales channels. For information about device errata,

click here: http://www.maxim-ic.com/errata.

FEATURES

§ 80C32-Compatible

- 8051 pin and instruction set compatible

- Four 8-bit I/O ports

- Three 16-bit timer/counters

- 256 bytes scratchpad RAM

- Addresses 64 kB ROM and 64 kB RAM

§ High-speed architecture

- 4 clocks/machine cycle (8032=12)

- DC to 33 MHz (DS80C320)

- DC to 18 MHz (DS80C323)

- Single-cycle instruction in 121 ns

- Uses less power for equivalent work

- Dual data pointer

- Optional variable length MOVX to access

fast/slow RAM/peripherals

§ High integration controller includes:

- Power- fail reset

- Programmable watchdog timer

- Early- warning power- fail interrupt

§ Two full-duplex hardware serial ports

§ 13 total interrupt sources with six external

§ Available in 40-pin DIP, 44-pin PLCC and

TQFP

PIN ASSIGNMENT

DS80C320/DS80C323

High-Speed/Low-Power Micro

www.maxim-ic.com

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