p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 253
p2125vps20
Manufacturer Part Number
p2125vps20
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.P2125VPS20.pdf
(700 pages)
- Current page: 253 of 700
- Download datasheet (5Mb)
This LSI has an on-chip 16-bit free-running timer (FRT). The FRT operates on the basis of the 16-
bit free-running counter (FRC), and outputs two independent waveforms, and measures the input
pulse width and external clock periods.
11.1
• Selection of four clock sources
• Two independent comparators
• Four independent input capture channels
• Counter clearing
• Seven independent interrupts
• Special functions provided by automatic addition function
Figure 11.1 shows a block diagram of the FRT.
TIM8FR1A_000020020300
One of the three internal clocks (φ/2, φ/8, or φ/32), or an external clock input can be
Two independent waveforms can be output.
The rising or falling edge can be selected.
Buffer modes can be specified.
The free-running counters can be cleared on compare-match A.
Two compare-match interrupts, four input capture interrupts, and one overflow interrupt
The contents of OCRAR and OCRAF can be added to the contents of OCRA
selected (enabling use as an external event counter).
can be requested independently.
automatically, enabling a periodic waveform to be generated without software intervention.
The contents of ICRD can be added automatically to the contents of OCRDM × 2, enabling
input capture operations in this interval to be restricted.
Features
Section 11 16-Bit Free-Running Timer (FRT)
Section 11 16-Bit Free-Running Timer (FRT)
Rev. 1.00 Sep. 21, 2006 Page 215 of 658
REJ09B0310-0100
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