SN260 데이터 시트보기 (PDF) - STMicroelectronics
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SN260 Datasheet PDF : 88 Pages
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Pin assignment
2
Pin assignment
Figure 1. SN260 pin assignment
SN260
VDD_VCO
RF_P
RF_N
VDD_RF
RF_TX_ALT_P
RF_TX_ALT_N
VD D _IF
BIAS _R
VDD_PADSA
TX_AC TIVE
40 39 38 37 36 35 34 33 32 31
1
41
30
2 GND
29
3
28
4
27
5
E SMN226600
26
6
25
7
24
8
23
9
22
10
21
11 12 13 14 15 16 17 18 19 20
nSIF_LO AD
S IF_M O S I
S IF_M ISO
S IF_C LK
nH O ST_IN T
RES
VDD_PADS
P TI_D ATA
P TI_EN
nSSEL
Table 1. Pin descriptions
Pin #
Signal
Direction
Description
1 VDD_VCO
2 RF_P
Power
I/O
1.8V VCO supply
Differential (with RF_N) receiver input/transmitter output
3 RF_N
4 VDD_RF
I/O
Power
Differential (with RF_P) receiver input/transmitter output
1.8V RF supply (LNA and PA)
5 RF_TX_ALT_P
6 RF_TX_ALT_N
O
Differential (with RF_TX_ALT_N) transmitter output (optional)
O
Differential (with RF_TX_ALT_P) transmitter output (optional)
7 VDD_IF
8 BIAS_R
Power
I
1.8V IF supply (mixers and filters)
Bias setting resistor
9 VDD_PADSA
Power Analog pad supply (1.8V)
10 TX_ACTIVE
Logic-level control for external RX/TX switch
O
The SN260 baseband controls TX_ACTIVE and drives it high (1.8V)
when in TX mode. (Refer to Table 6 and section TX_ACTIVE signal.)
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