Analog Devices SHARC ADSP-21368 User Manual

PWM Implementation
8-2 ADSP-21368 SHARC Processor Hardware Reference
Edge-Aligned Mode
In edge-aligned mode, the PWM waveform is left-justified in the period
window. A duty value of zero, programmed through the PWMAx registers,
produces a PWM waveform with 50% duty cycle. For even values of
period, the PWM pulse width is exactly period ÷ 2, whereas for odd values
Figure 8-1. Example PWM Module Block Diagram
PWMCHA
PWMCHB
PWMTM
PWMCTRL
PWM
CONFIGURATION
REGISTERS
PWM
DUTY CYCLE
REGISTERS
PWMSTAT
PWMDT
PWMSEG
PWM
Timing
Unit
Dead
Time
Control
Unit
Gate
Drive
Unit
PWM
Sync Pulse
Control Unit
PWM
Interrupt
Control Unit
PWM_AH
PWM_AL
PWM_BH
PWM_BL
CLK SYNC SR RESET
SYNC CLK
RESETB
PWM_SYNC_IRQ
CLK
PWMSEG
PHB BUS
Output
Control
Unit
PWMGSTAT
PWMGCTL
}
GLOBAL
REGISTERS

Analog Devices SHARC ADSP-21368 Specifications

General

Brand	Analog Devices
Model	SHARC ADSP-21368
Category	Computer Hardware
Language	English