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參數資料
| 型號： | TRF7961RHBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁數： | 45/52頁 |
| 文件大小： | 1023K |
| 代理商： | TRF7961RHBR |
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SLOU186F – AUGUST 2006 – REVISED AUGUST 2010
3
Physical Characteristics
3.1
Terminal Functions
Figure 3-1. TRF796x Pin Assignments (Top View)
Table 3-1. Terminal Functions
TERMINAL
TYPE(1)
DESCRIPTION
NAME
NO.
VDD_A
1
OUT
Internal regulated supply (2.7 V – 3.4 V) for analog circuitry
VIN
2
SUP
External supply input to chip (2.7 V – 5.5 V)
VDD_RF
3
OUT
Internal regulated supply (2.7 V – 5 V), normally connected to VDD_PA (pin 4)
VDD_PA
4
INP
Supply for PA; normally connected externally to VDD_RF (pin 3)
TX_OUT
5
OUT
RF output (selectable output power, 100 mW at 8
or 200 mW at 4 , with VDD = 5 V)
VSS_RF
6
SUP
Negative supply for PA; normally connected to circuit ground
VSS_RX
7
SUP
Negative supply for RX inputs; normally connected to circuit ground
RX_IN1
8
INP
RX input, used for AM reception
RX_IN2
9
INP
RX input, used for PM reception
VSS
10
SUP
Chip substrate ground
BAND_GAP
11
OUT
Band-gap voltage (1.6 V); internal analog voltage reference; must be ac-bypassed to ground.
Also can be configured to provide the received analog signal output (ANA_OUT)
ASK/OOK
12
BID
Direct mode, selection between ASK and OOK modulation (0 = ASK, 1 = OOK)
IRQ
13
OUT
Interrupt request
MOD
14
INP
Direct mode, external modulation input
VSS_A
15
SUP
Negative supply for internal analog circuits; normally connected to circuit ground
Supply for I/O communications (1.8 V – 5.5 V). Should be connected to VIN for 5-V
VDD_I/O
16
SUP
communication, VDD_X for 3.3-V communication, or any other voltage from 1.8 V to 5.5 V.
I/O_0
17
BID
I/O pin for parallel communication
I/O_1
18
BID
I/O pin for parallel communication
I/O_2
19
BID
I/O pin for parallel communication
I/O_3
20
BID
I/O pin for parallel communication
I/O_4
21
BID
I/O pin for parallel communication
(1)
SUP = Supply, INP = Input, BID = Bi-directional, OUT = Output
Copyright 2006–2010, Texas Instruments Incorporated
Physical Characteristics
5
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