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SH7721 Datasheet(PDF) 561 Page - Renesas Technology Corp

Part # SH7721
Description  Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
PDF  1524 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7721 Datasheet(HTML) 561 Page - Renesas Technology Corp

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Section 14 Timer Unit (TMU)
TIMTMU0A_000020011000
Rev. 3.00 Jan. 18, 2008 Page 499 of 1458
REJ09B0033-0300
Section 14 Timer Unit (TMU)
This LSI includes a three-channel 32-bit timer unit (TMU).
14.1
Features
• Each channel is provided with an auto-reload 32-bit down counter
• All channels are provided with 32-bit constant registers and 32-bit down counters that can be
read or written to at any time
• All channels generate interrupt requests when the 32-bit down counter underflows
(H'00000000
→ H'FFFFFFFF)
• Allows selection among five counter input clocks: Pφ/4, Pφ/16, Pφ/64, Pφ/256, and RTC
output clock (16 kHz)
• Allows channels operate when this LSI is in standby mode
Even when this LSI is in standby mode, channels can operate when the RTC output clock is
used as a counter input clock.



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