Texas Instruments TMS320F2837 D Series Workshop Guide And Lab Manual

Digital-to-Analog Converter (DAC)
TMS320F2837xD Microcontroller Workshop - Analog Subsystem 6 - 25
Buffered DAC Block Diagram
Buffered DAC Block Diagram
DACVALA * DACREF
4096
V
DACOUT
=
Ideal Output
VREFHIA can supply reference
for DAC A and DAC B; VREFHIB
can supply reference for DAC C
0
1
AMP
12-bit
DAC
DACV
ALS
DACREFSEL
V
DAC
V
REFHI
V
SSA
V
DDA
DACOUTEN
V
DACOUT
DACV
ALA
V
SSA
Note: registers lock protected
Two sets of DACVAL registers are present in the buffered DAC module: DACVALA and
DACVALS. DACVALA is a read-only register that actively controls the DAC value. DACVALS is a
writable shadow register that loads into DACVALA either immediately or synchronized with the
next PWMSYNC event. The ideal output of the internal DAC can be calculated as shown in the
equation below.

Texas Instruments TMS320F2837 D Series Specifications

General

Brand	Texas Instruments
Model	TMS320F2837 D Series
Category	Microcontrollers
Language	English