ST70136B 데이터 시트보기 (PDF) - STMicroelectronics
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ST70136B Datasheet PDF : 24 Pages
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ST70136
Figure 4 : Control Register Interface Read cycle
CLKM
CLKWD
b15
CTRLIN
CTRLOUT
R/NW
Don’t care
[b2:b0]
b15
Data [b14:b3]
4.7.1 - AFE registers
4.7.1.1 - Rx Gain Control
This register is located at the address “000” and is used to program the gain in the receive path.
Table 2 : Rx Gain Control (address [b2:b0]=”000”)
Name
GC[1:0]
Other
RxAGC
RxAtt
Other
Pos.
14.13
12
11..7
6..5
4.3
Type
R/W
R/W
R/W
R/W
R/W
Def.
Description
00
GC1
GC0
bit14: selects External Gain Control
bit13: selects External Gain control
0 Reserved
00000
Select internal gain for Receive amplifier
00000 : 0dB
11111 : 31dB
00 Receive attenuator
00 = 0dB
01 = -4dB
10 = -8dB
11 = -12dB
00 Reserved
4.7.1.2 - Tx Gain Control
This register is located at the address “001” and is used to program the gain in the transmit path.
Table 3 : Tx Gain Control (address [b2:b0]=”001”)
Name
TxAGC
Other
Pos.
14..11
10..3
Type
R/W
R/W
Def.
Description
0000
0..0
Select internal gain for Transmit amplifier
0000 : -15dB
1111 : 0dB
Reserved
10/24
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