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參數(shù)資料
| 型號(hào)： | TRF5001GQE |
| 英文描述： | RECEIVER|BICMOS|BGA|80PIN|PLASTIC |
| 中文描述： | 接收機(jī)| BICMOS工藝| BGA封裝| 80腳|塑料 |
| 文件頁(yè)數(shù)： | 10/19頁(yè) |
| 文件大?。?/td> | 258K |
| 代理商： | TRF5001GQE |
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DATE AND TRACKING INFORMATION
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
serial port interface
The TRF5001 device registers are controlled via a synchronous serial data port. Each word contains 24 bits
that are clocked into temporary holding registers with the MSB clocked in first. The total number of words hasn’t
been determined. Figure 4 shows what they might look like. Word 0 and 1 are for the users while Words 2
through 7 are for internal use The operation registers are loaded with the new data residing in the temporary
registers with the STROBE line. Each word can be written to the device independently. The 6 MSBs of each
word contain the address of the word while the balance of the 24 bits contain the data fields. Table 1 through
Table 7 describe each programming word definition bit-by-bit.
Word Desig.
Word0
Word1
Word2
Word3
Word4
Word5
Word6
Word7
Address
0
0
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Data
RD
O
SP
CF
H
CS
RS
x
x
x
x
x
S
x
x
x
x
x
S
x
x
x
x
x
S
x
x
x
x
0
0
0
0
0
0
0
0
0
1
DS BS
AG
Next words are reserved for internal use
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
1
1
1
0
1
0
1
x
x
x
x
EL EM EV ES EA EI
AS
LD
EF
EB
EA LR
CV
OB AB CT PL FO
MO AO EV
LT
LDW
MD
S
S
S
S
S
x
S
x
S
x
S
x
S
x
S
x
S
x
S
x
S
x
S
x
S
x
0
1
0
0
0
0
x
x
x
x
x
x
x
x
LE
PS
LS
Figure 4. Serial Word Format
For bit 23, 0 enables the write mode, and 1 enables the read mode.
In the read mode, register data are available at the PLL_LOCK terminal.
Word2 is a spare register. Word3 is reserved for future use.
Address 101000 is reserved to read LPF DACWORD, AGC gain setting, and chip ID at the PLL_LOCK terminal.
The first bit is MSB LPF DACWORD; the last bit is LSB chip ID.
Word Desig.
Word0
Word1
Word2
Word3
Word4
Word5
Address
0
0
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Data
000110100100 (=420)
1100
0011
0000
x
0
0
1
01
x
x
x
x
0
0
0
0
0
0
0
0
0
1
1
0
Next words are reserved for internal use
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1
0
1
x
x
x
x
x
x
x
x
x
x
x
x
x
110010000 (=400)
0
1
10000
001011000000101 (=5637)
1
1
1
0
1
0
0
0
0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Word6
Word7
0
0
0
0
0
0
1
1
1
1
0
1
x
1
x
x
x
x
0
x
x
x
1
0
x
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
Figure 5. Default Values
P
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