Analog Devices ADSP-BF506F Hardware Reference Manual page 1096

Programming Examples
Listing 22-1. Using the ACM in Conjunction with a SPORT
/*************************************************
** Example pseudo code showing the process for **
** using the ACM in conjunction with a SPORT
*************************************************/
/* SPORT1 Selected
ACLK falling edge occurs after CS
Active low CS
Trigger 1 polarity set to rising edge
Trigger 0 polarity set to rising edge
Trigger 1 select set to PWM_SYNC1
Trigger 0 select set to PWM_SYNC0
ACMTMR1 enabled
ACMTMR0 enabled
ACM disabled */
write(ACM_CTL, 0x4026, 16bit);
/* Timing configurations 1 register
CS width (Tcsw) = 'd10
Hold cycles (Th) = 'd15
Zero cycles (Tz) = 'd2 */
write(ACM_TC1, 0x2f0a, 16bit);
/* Timing configurations 0 register
Clock divisor (CKDIV) = 'd1
Setup cycles (Ts) = 'd0 */
write(ACM_TC0, 0x0001, 16bit);
/* Event 2 ETIME = 'h00000001 */
write(ACM_ET2, 0x00000001, 32bit);
/* ACM signal settings for event 2:
22-42 ADSP-BF50x Blackfin Processor Hardware Reference
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