rtd DM5816, User Manual

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DM5816/DM6816 RTD Embedded Technologies, Inc.
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BA + 12: 8254 Timer/Counter 0 (Read/Write)
This address is used to read/write timer/counter 0. A read shows the count in the counter, and a write
loads the counter with a new value. Counting begins as soon as the count is loaded.
BA + 13: 8254 Timer/Counter 1 (Read/Write)
This address is used to read/write timer/counter 1. A read shows the count in the counter, and a write
loads the counter with a new value. Counting begins as soon as the count is loaded.
BA + 14: 8254 Timer/Counter 2 (Read/Write)
This address is used to read/write timer/counter 2. A read shows the count in the counter, and a write
loads the counter with a new value. Counting begins as soon as the count is loaded.
BA + 15: 8254 Timer/Counter Control Word (Write Only)
This address is used to write to the control register for the 8254. The control word is defined above.
BA + 16: Clear IRQ/IRQ Enable (Read/Write)
A read clears the P14 jumper-selectable IRQ status flag at BA + 17, bit 3.
IRQ Enable Register: