Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 user manual Basic Timer

S3C9228/P9228 (Preliminary Spec) BASIC TIMER

10 BASIC TIMER

OVERVIEW

Basic timer (BT) can be used in two different ways:

—As a watchdog timer to provide an automatic reset mechanism in the event of a system malfunction.

—To signal the end of the required oscillation stabilization interval after a reset or a stop mode release.

The functional components of the basic timer block are:

—Clock frequency divider (fxx divided by 4096, 1024, 128, or 16) with multiplexer

—8-bit basic timer counter, BTCNT (DDH, read-only)

—Basic timer control register, BTCON (DCH, read/write)

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