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decaWave DW1000 - Page 155

decaWave DW1000
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DW1000 User Manual
© Decawave Ltd 2017
Version 2.12
Page 155 of 242
REG:28:0C RF_TXCTRL Transmitter Analog Settings
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESERVED
TXMQ
TXMTUNE
-
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
1
1
1
1
0
0
0
0
0
Definition of the bit fields within Sub-Register 0x28:0C RF_TXCTRL:
Field
Description of fields within Sub-Register 0x28:0C RF_TXCTRL
Reserved
reg:28:0C
bits:31:12,4:0
These fields are reserved. Program only as directed in Table 38.
TXMTUNE
reg:28:0C
bits:8:5
Transmit mixer tuning register. This register should be set as directed in Table 38. It is
possible to tune to optimise performance for individual part as described in section 8.2.2
Other TX adjustments to consider.
TXMQ
reg:28:0C
bits:11:9
Transmit mixer Q-factor tuning register. This register should be set as directed in Table 38.
It is possible to tune to optimise performance for individual part as described in section
8.2.2 Other TX adjustments to consider.
7.2.41.5 Sub-Register 0x28:10 RF_RES2
ID
Length
(octets)
Type
Mnemonic
Description
28:10
16
RW
RF_RES2
Reserved area 2
Register file: 0x28 Analog RF configuration block, sub-register 0x10 is a reserved register. Please take care
not to write to this register as doing so may cause the DW1000 to malfunction.
7.2.41.6 Sub-Register 0x28:2C RF_STATUS
ID
Length
(octets)
Type
Mnemonic
Description
28:2C
4
RO
RF_STATUS
RF Status Register
Register file: 0x28 Analog RF configuration block, sub-register 0x2C is the PLL lock status register.
Generally it is not necessary to monitor this register. However it may be useful as a diagnostic in the event
of problems. The RF_STATUS register contains the following status bits identified and described below:
REG:28:2C RF_STATUS RF Status Register
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
-
-
-
RFPLLLOCK
CPLLHIGH
CPLLLOW
CPLLLOCK
0
0
0
0
0
0
0
0
The bits of the RF_STATUS register identified above are individually described below:

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