W7020 Datasheet, PDF (19/36 Pages) List of Unclassifed Manufacturers – Bluetooth Radio Module

Preliminary Data Sheet
September 2000
W7020 Bluetooth Radio Module
Serial Interface (continued)
W7020 Registers (continued)
Table 15. Control Register (Address = 22)*
Bit No.
7
6
5
4
3
2
1
0
Bit Name
—
Ltr3
Ltr2
Ltr1
Ltr0
XOctr
—
—
Reset Value
—
1
0
0
0
0
—
—
Function
—
LPO course trimming. Lower value gives higher fLPO.
XOctr crystal oscillator start-up control. After power-on reset, a 0 to
1 transition enables the XO to be controlled by SYS_CLK_REQ.
—
—
* — = not applicable.
Table 16. CHP and TX Control Register (Address = 23)
Bit
Bit
Reset
Baseband
No.
Name
Value Standard Setting
Function
7
ChpTst
0
0
Must be programmed to 0.
6
TX2
0
5
TX1
0
4
TX0
0
1
Sets the frequency deviation amplitude
0
000 —> maximum deviation.
111 —> minimum deviation.
0
3
EnLo1
0
0
Must be programmed to 0.
2
CHP2
0
0
Must be programmed to 0.
1
CHP1
0
0
0
CHP0
0
0
Lucent Technologies Inc.
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