Analog Devices Blackfin ADSP-BF537 Hardware Reference Manual page 890

Modes of Operation
TMRCLK
1
0
TACLKx
TIN_SEL
Figure 15-4. Timer Flow Diagram, PWM_OUT Mode
generates a repeating (and possibly modulated) waveform. It generates an
interrupt (if enabled) at the end of each period and stops only after it is
disabled. A setting of
ting of
PERIOD_CNT
The
TIMERx_PERIOD
some operation modes. Be sure to set the
TIMERx_CONFIG
15-14
DATA BUS
TIMERx_PERIOD
PWM_CLK
1
SCLK
0
CLK_SEL
EQUAL?
YES
PERIOD_CNT
= counts to the end of the period.
1
and
TIMERx_WIDTH
register to
b#01
ADSP-BF537 Blackfin Processor Hardware Reference
CLOCK
TIMERx_COUNTER
TIMER_ENABLE
PULSE_HI
TOGGLE_HI
OUT_DIS
1
INTERRUPT
0
PERIOD_CNT
= counts to the end of the width; a set-
0
registers are read-only in
TMODE
before writing to these registers.
TIMERx_WIDTH
RESET
EQUAL?
YES
ASSERT DEASSERT
PWMOUT
LOGIC
TMRx
field in the