Rev. 1.0, 07/01, page 154 of 372
12.3 Register Descriptions
Timer W has the following registers. For details on register addresses and register states during
each process, refer to section 19, Internal I/O Registers.
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Timer mode register W(TMRW)
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Timer control register W(TCRW)
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Timer interrupt enable register W(TIERW)
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Timer status register W(TSRW)
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Timer I/O control register 0(TIOR0)
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Timer I/O control register 1(TIOR1)
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Timer counter(TCNT)
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General register A(GRA)
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General register B(GRB)
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General register C(GRC)
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General register D(GRD)
12.3.1
Timer Mode Register W(TMRW)
The timer mode register W (TMRW) selects the general register functions and the timer output
mode.