參數(shù)資料
型號: PRISM1RC
廠商: Intersil Corporation
英文描述: ()
中文描述: ()
文件頁數(shù): 9/12頁
文件大?。?/td> 112K
代理商: PRISM1RC
4-387
Programming Examples
Example for baseband processor HFA3824A continuous transmit mode programming (Table 2).
TABLE 2.
Example for synthesizer (HFA3524A or HFA3524) programming CH1 (RF and IF)
IF R Counter
(Read in MSB First)
R16 = 1 --> IF positive
R17 = 0 --> Low current
R18 = 0 --> D
OUT
IF normal operation
R19 = 0, R20 = 0 --> F
O
/LD disable
IF N Counter
F
VCO
= [(P x B) + A] x 22MHz/R <-- see IF R counter set up for “R” value.
IF
VCO
= [(16 x 023H ) + 0] x 22MHz/(16H) = 560MHz
N19 = P = 1 --> /16
N20 = 0 = IF powered
REGISTER
NAME
HEX VALUE
COMMENT
CR0
00
Preamble + SFD Field
CR1
00
CR2
04
11 Chips/Symbol for RX
CR3
04
11 Chips/Symbol for TX, DQPSK
CR4
00
CR5
00
CR9
00
I/O Definition
CR11
01
A/D Cal. Positive
CR12
FD
A/D Cal. Negative
CR13
05
TX Spread Sequence
CR14
B8
CR15
7F
TX Scrambler Seed
CR16
48
TX Scrambler Tap
CR19
1E
RSSI Threshold
CR20
05
RX Spread Sequence
CR21
B8
CR22
01
Rx Quality 1 Acq. Threshold
CR23
E8
CR26
0F
Rx Quality 1 Data Threshold
CR27
FF
CR30
00
Rx Quality 2 Acq. Threshold
CR31
CA
CR34
09
Rx Quality 2 Data Threshold
CR35
80
CR39
5C
CR41
90
SDF Search Time
CR42
0A
DBPSK Signal
CR43
14
CR49
F3
SDF Data
CR50
A0
CR51
00
Tx Service Field
CR56
80
TX Preamble Length
REGISTER
NAME
HEX VALUE
COMMENT
LSB
MSB
0
0
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
C1C2
R
16 17 18 19 20
LSB
MSB
1
0
0
0
0
0
0
0
0
1
1
0
0
0
1
0
0
0
0
0
1
0
C1C2
A
B
P, 20
Application Note 9808
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