Analog Devices SHARC ADSP-2136 Series Hardware Reference Manual page 327

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TIMERx_I
PERIOD
P_BUF
COUNTER
IRQ
Figure 9-8. EXT_CLK Timing
Interrupts
This section describes all relevant registers and hardware to raise and ser-
vice interrupts.
Sources
Each timer generates a unique interrupt request signal. A common register
latches these interrupts so that a program can determine the interrupt
source without reference to the timer's interrupt signal. The
ter contains an interrupt latch bit (
indicator bit (
TIMxOVF
These sticky bits are set by the timer hardware and may be watched by
software. They need to be cleared in the
itly. To clear, write a one to the corresponding bit in the
in the following example.
ADSP-2136x SHARC Processor Hardware Reference
www.BDTIC.com/ADI
for the ADSP-21362/3/4/5/6 Processors
cycle
cycle
P
P - 1
P - 2
TIMxIRQ
) for each timer.
TMSTAT
Peripheral Timers
P
P
2
1
0
TMSTAT
) and an overflow/error
register by software explic-
TMSTAT
P
P - 1
P - 2
sync delay
regis-
register as
9-19

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