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15.1
Overview
Timer R consists of triple 8-bit down-counters. It carries VCR mode identification function and
slow tracking function in addition to the reloading function and event counter function.
15.1.1
Features
The Timer R consists of triple 8-bit reloading timers. By combining the functions of three units of
reloading timers/counters and by combining three units of timers, it can be used for the following
applications:
• Applications making use of the functions of three units of reloading timers.
• For identification of the VCR mode.
• For reel controls.
• For acceleration and braking of the capstan motor when being applied to intermittent
movements.
• Slow tracking mono-multi applications.
15.1.2
Block Diagram
Timer R consists of three units of reload timer counters, namely, two units of reload timer
counters equipped with capturing function (TMRU-1 and TMRU-2) and a unit of reload timer
counter (TMRU-3).
Figure 15.1 is a block diagram of timer R.
Section 15 Timer R
Rev. 1.0, 02/00, page 289 of 1141
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