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2.3 Counter and Period Registers Used in GP Timer Modes
Table 1 summarizes the counter registers (CNTLO and CNTHI) and period registers (PRDLO and PRDHI)
used in each GP timer mode.
Table 1. Counter and Period Registers Used in GP Timer Modes
Timer Mode Counter Registers Period Registers
64-bit general-purpose CNTHI:CNTLO PRDHI:PRDLO
Dual 32-bit chained
Prescaler (TIMHI) CNTHI PRDHI
Timer (TIMLO) CNTLO PRDLO
Dual 32-bit unchained
Timer (TIMLO) CNTLO PRDLO
Timer with prescaler (TIMHI) PSCHI bits and CNTHI TDDRHI bits and PRDHI
12
C6472/TCI648x 64-Bit Timer SPRU818B–December 2005–Revised September 2010
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