![Tews Technologies TPMC533 User Manual Download Page 40](http://html.mh-extra.com/html/tews-technologies/tpmc533/tpmc533_user-manual_1093649040.webp)
TPMC533 User Manual Issue 1.0.1
Page 40 of 107
3.2.1.5.4
DAC Status Registers (0x188, 0x1B8, 0x1E8 and 0x218)
Each DAC device provides an internal status register, which is reflected in the corresponding DAC Status
Register. The DAC Status Register is updated when a status register read is requested by writing a ‘1’ to the
DACx_RDSTA bit.
Bit
Symbol
Description
Access
Reset
Value
31
DACx_RDSTA
Read DAC internal Status Register
When set, a request for reading the DAC status is logged
and the status valid bit (DACx_SVAL) is cleared. When the
DAC status read is done, the DAC Status Register is
updated and the DACx_SVAL bit is set again.
This bit clears immediately.
R/S
0
30
DACx_SVAL
Status is valid
0: Outdated Status Information
1: Updated Status Information
This bit indicates that the other register bits of the DAC
Status Register have been updated after a DAC status read.
The bit is cleared upon a DAC status read request
(DACx_RDSTA) or by writing a '1' to this bit.
R/C
0
29
-
Reserved
-
-
28
DACx_AUTOSTA
Automatic DAC internal Status Register Read
0: No Automatic DAC Status Read
1: Automatic DAC Status Read after each conversion
In automatic mode, the DAC Status is read automatically
after a DAC conversion.
R/W
0
27:10
-
Reserved
-
-
9
DACx_TSD
DAC Thermal Shutdown Alert
In the event of an over-temperature situation, the DAC is
powered down and this bit is set.
R
0
8
DACx_OCD
DAC Channel D Over-current Alert. See OCA description.
R
0
7
DACx_OCC
DAC Channel C Over-current Alert. See OCA description.
R
0
6
DACx_OCB
DAC Channel B Over-current Alert. See OCA description.
R
0
5
DACx_OCA
DAC Channel A Over-current Alert
In the event of an over-current situation on DAC channel A it
is powered down and this bit is set.
R
0
4
DACx_PUREF
DAC Reference Power-Up
When set, this bit indicates that the DAC internal reference
is powered-up. Since the DACs are operating with the
internal reference, this bit should always be set for any
status read from the DACs.
R
0
3
DACx_PUD
DAC Channel D Power-Up. See PUA description.
R
0
2
DACx_PUC
DAC Channel C Power-Up. See PUA description.
R
0
1
DACx_PUB
DAC Channel B Power-Up. See PUA description.
R
0
0
DACx_PUA
DAC Channel A Power-Up
‘0’ when powered down,
‘1’ when powered up.
On detection of an over-current or thermal overtemperature
condition, DAC channel A will power down automatically.
DACx_PUA will be cleared to reflect this.
R
0
Table 3-40: DAC Status Register