DP8570A - Timer Clock Peripheral (TCP)

National Semiconductor

The DP8570A by National Semiconductor is a Timer Clock Peripheral (TCP). Below is the official datasheet preview.

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DP8570A Timer Clock Peripheral (TCP) by National Semiconductor - Datasheet Preview — Official preview page of the **DP8570A** Timer Clock Peripheral (TCP) datasheet (National Semiconductor).

Datasheet Details

Part number	DP8570A
Manufacturer	National Semiconductor
File Size	381.74 KB
Description	Timer Clock Peripheral (TCP)
Datasheet	DP8570A_NationalSemiconductor.pdf
Additional preview pages of the DP8570A datasheet.

DP8570A Product details

Description

The DP8570A is intended for use in microprocessor based systems where information is required for multi-tasking data logging or general time of day date information This device is implemented in low voltage silicon gate microCMOS technology to provide low standby power in battery back-up environments The circuit’s architecture is such that it looks like a contiguous block of memory or I O ports The address space is organized as 2 software selectable pages of 32 bytes This includes the Control Re

Features

Y Y Y Y Y Y Full function real time clock calendar 12 24 hour mode timekeeping Day of week and day of years counters Four selectable oscillator frequencies Parallel Resonant Oscillator Two 16-bit timers 10 MHz external clock frequency Programmable multi-function output Flexible re-trigger facilities Power fail features Internal power supply switch to external battery Power Supply Bus glitch protection Automatic log of time into RAM at power failure On-chip interrupt structure Periodic alarm.

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Published: Nov 23, 2005 |