參數(shù)資料
型號(hào): M64886FP
廠商: Renesas Technology Corp.
英文描述: RF Transceiver for Short-range Wireless
中文描述: 射頻收發(fā)器的短距離無線
文件頁數(shù): 28/28頁
文件大?。?/td> 445K
代理商: M64886FP
M64886FP
Rev.1.0, Sep.22.2003, page 9 of 27
2. Shift Resister Bit Configuration
MSB
LSB
LO
Amp
DBL
*
RA
RB
Icp
LLL
DK
L
*
DA
DB
DC
ON/OFF
DG
DD
DF
DI
DJ
DH
Volume
DE
Mute
L
H
Division ratio for RX divider (17 bits)
RX divider
2
16
2
0
2
9
2
0
Division ratio for REF divider (10bits)
3
L
H
L
H
1
Division ratio for TX divider (17 bits)
TX divider
2
16
2
0
L
Test Mode
Control Data
Invalid Data
REF divider
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Shift register
Notes:
4. DA , DB and DC are used to turn on / off the power supply to the TX and RX systems .
DC (AF)
DB (RX / IF)
DA (TX)
Description
L
TX and RX / IF and Speaker / Mic amp / Compander are all on .
H
L
ID mode. TX and RX / IF are on .
L
H
L
TX and Speaker/Mic amp / Compander are on .
H
L
Only TX is on .
L
H
RX /IF and Speaker / Mic amp / Compander are on .
H
L
H
Stand by mode . Only RX / IF is on .
L
H
Only Speaker / Mic amp / Compander are on .
H
TX and RX / IF and Speaker / Mic amp / Compander are all off .
Notes: 5. DD and DE are used to turn on/off the mute to the TX (DD) and RX (DE) systems .
DE / DD
Description
L
Mute on .
H
Mute off .
Notes: 6. DF, DG and DH are used to select volume level to be updated .
DH
DG
DF
volume level
HH
H0dB
H
L
–2.5dB
HL
H5.0dB
H
L
–7.5dB
L
H
–10.0dB
L
H
L
–12.5dB
L
H
–15.0dB
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