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TPCE636 User Manual Issue 1.0.2
Page 18 of 104
BCC (Board Configuration Controller) FPGA
5.2
5.2.1
DAC Control / Status Register – 0x00
The output voltage ranges of the TPCE636 DAC outputs are set via
DAC Control / Status Register
and
DAC
Output Voltage Range Register
.
For the three predefined ranges (±10V, ±5V and ±2.5V), the
DAC Output Voltage Range Register
is set first
and then the values are transferred via the
DAC Control / Status Register
.
For the individual range selection the
Reference DAC Voltage Control Register
must also be set before
updating the data via
DAC Control / Status Register
.
Bit
Symbol
Description
Access
Reset
Value
31:16
-
Reserved
R
0
15:14
-
Reserved
R
0
13
DAC2_OUTP_UPD
Bits correspond to DAC #1
Refer description for DAC #1
12
DAC2_CLR
11
DAC2_OVRTMP
10
-
9
DAC2_OUTPSTTLE
8
DAC2_IOBSY
7:6
-
Reserved
R
0
5
DAC1_OUTP_UPD
DAC #1 Output Update
Initiate DAC Device Output Update with currently
adjusted output values
Self-Clearing
R/S
0
4
DAC1_CLR
DAC #1 Clear
Causes DAC to be cleared. Includes setup with
current adjusted values
Self-Clearing
R/S
0
3
DAC1_OVRTMP
DAC #1 Over Temperature
Status is provided by DAC device
R
0
2
-
Reserved
1
DAC1_OUTPSTTLE
DAC #1 Output Settle
Internal generated settling pulse (set to 20.5us)
R
0
0
DAC1_IOBSY
DAC #1 I/O Busy
Indicates that
Controller is not in idle
Span-Configuration update is pending
Output Value update is pending
Internal synchronization is pending
R
0
Table 5-1 : DAC Control and Status Register