Texas Instruments TMS320F2837 D Series

Sigma Delta Filter Module (SDFM)
TMS320F2837xD Microcontroller Workshop - Analog Subsystem 6 - 27
SDFM Block Diagram
SDFM Block Diagram
Filter Module
1
Direct
SDFM- Sigma Delta Filter Module
IN3
CLK3
Input
Ctrl
IN1
CLK
1
ΣΔ
Streams
IN4
CLK4
VBUS32
Register
Map
SDINT
Interrupt
Unit
PIE
SDFILRESn
R
R
IN2
CLK2
Comparator
Filter
Sinc Filter
PWM
PWM
CMPC/D
FILRES
Clk
_out
Sync
Filter Module
4
Filter Module
3
Filter Module 2
Sync
Sync
Sync