Hitachi H8S/2199 - Section 11 Timer a; Overview; Features

Rev. 1.0, 02/00, page 247 of 1141
Section 11 Timer A
11.1 Overview
Timer A is an 8-bit interval timer. It can be used as a clock timer when connected to a 32.768 kHz
crystal oscillator.
11.1.1 Features
Features of timer A are as follows:
•
Choices of eight different types of internal clocks (
φ
/16384,
φ
/8192,
φ
/4096,
φ
/1024,
φ
/512,
φ
/256,
φ
/64 and
φ
/16) are available for your selection.
•
Four different overflowing cycles (1s, 0.5s, 0.25s and 0.03125s) are selectable as a clock timer.
(When using a 32.768 kHz crystal oscillator.)
•
Requests for interrupt will be output when the counter overflows.