參數(shù)資料
型號(hào): ST7538P
廠商: 意法半導(dǎo)體
英文描述: POWER LINE FSK TRANSCEIVER
中文描述: 電力線FSK收發(fā)器
文件頁數(shù): 23/30頁
文件大?。?/td> 264K
代理商: ST7538P
23/30
ST7538
Function
Value
Selection
Note
Default
Bit 13
Bit 12
12 to 13
Detection
Method
Carrier detection
without conditioning
0
0
Carrier Detection
Notification on CD_PD Line
CLR/T and RxD signal
always Present
Preamble
detection
without
conditioning
Carrier detection
with conditioning
0
1
CLR/T and RxD lines are
forced to “0” when Carrier
is not detected
Preamble detection
without conditioning
1
0
Preamble Detection
Notification on CD_PD Line
CLR/T and RxD signal
always Present
Preamble detection
with conditioning
1
1
Preamble Detection
Notification on CD_PD Line
CLR/T and RxD lines are
forced to “0” when
Preamble has not been
detected or PLL is in
Unlock condition
Bit 14
14
Mains
Interfacing
Mode
Synchronous
Asynchronous
0
1
Asynchronous
Bit 16
Bit 15
15 to 16
Output Clock
16 MHz
8 MHz
4 MHz
Not Used
0
0
1
1
0
1
0
1
4 MHz
Bit 18
Bit 17
17 to 18
Packet Mode
Baud Rate
Mclk/32
Mclk/64
Mclk/128
Mclk/256
0
0
1
1
0
1
0
1
MLCK/64
Bit 20
Bit 19
19 to 20
Packet Length
8 Bit
9 Bit
14 Bit
16 Bit
0
0
1
1
0
1
0
1
14 bits
Bit 21
21
Packet Mode
Enable
Disabled
Enabled
0
1
Disabled
Bit 22
22
Sensitivity
Mode
Normal Sensitivity
High Sensitivity
0
1
Normal
Bit 23
23
Input Filter
Disabled
Enabled
0
1
Disabled
Table 6. Control Register Functions
(continued)
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