参数资料
型号: TRF3750IRGPR
厂商: TEXAS INSTRUMENTS INC
元件分类: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2400 MHz, PQCC20
封装: 4 X 4 MM, GREEN, PLASTIC, QFN-20
文件页数: 11/37页
文件大小: 860K
代理商: TRF3750IRGPR
TRF3750
SLWS146B MARCH 2004 REVISED AUGUST 2007
www.ti.com
19
Latch Description (Continued)
Table 4. AB Counter Latch
DB0
DB1
Control
Bits
C1(1)
C2(0)
DB2
A1
DB3
A2
DB4
A3
DB5
A4
DB6
A5
DB7
A6
DB8
B1
DB9
B2
DB11
B4
DB10
B3
DB12
B5
DB13
B6
DB14
B7
DB15
B8
6-Bit A Counter
DB16
B9
DB17
B10
DB22
X
DB23
X
Reserved
DB18
B11
DB19
B12
CP
Gain
DB21
G1
A Counter
0
A1
0
1
0
3
1
60
0
61
1
62
0
63
1
Charge Pump Current Setting Operation
Current setting 1 is always used
CP
Gain
0
1
F4 (Function Latch D89)
Fastlock Enable
0
1
Current setting 2 is used until fastlock mode exits (returns to current setting 1)
1
13-Bit B Counter
DB20
B13
Current setting 2 is always used
Current setting 1 used
1
2
A2
0
1
0
1
A5
0
1
A6
0
1
B Counter
Divide Ratio
N/A
B1
0
1
0
3
1
8188
0
8189
1
8190
0
8191
1
N/A
B2
0
1
0
1
B11
0
1
B12
0
1
4
0
0
B3
0
1
1
B13
0
1
0
B ≥ A
X = Don’t Care
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