TPMC533 User Manual Issue 1.0.1
Page 33 of 107
3.2.1.4 DAC Global Registers
The following registers exist only once and deal with all DACs on-board the TPMC533.
These Registers are Reserved on TPMC533-20R.
3.2.1.4.1
Global DAC Control Register (0x158)
The Global DAC Control Register provides control options for each DAC (for all four DAC Channels of each
DAC) on-board the TPMC533.
Bit
Symbol
Description
Access
Reset
Value
31:4
-
Reserved
-
-
3
DAC4_CONV_REQ
DAC4 Conversion Request
Refer to the DAC1 Conversion Request bit for description.
R/S
0
2
DAC3_CONV_REQ
DAC3 Conversion Request
Refer to the DAC1 Conversion Request bit for description.
R/S
0
1
DAC2_CONV_REQ
DAC2 Conversion Request
Refer to the DAC1 Conversion Request bit for description.
R/S
0
0
DAC1_CONV_REQ
DAC1 Conversion Request
Write ‘1’ to start the conversion of the four DAC Channels of
DAC1.
Before requesting DAC1 Conversion, software should check
the DAC1 Busy Bit to be clear in the Global DAC Status
Register.
This bit is self-clearing.
Note: If DAC1 is configured to operate in Sequencer
Mode or to operate in Immediate Conversion in Manual
Mode, DAC1 Conversion Requests are ignored.
R/S
0
Table 3-31: Global DAC Control Register