參數資料
型號: DRX3960A
廠商: Electronic Theatre Controls, Inc.
英文描述: Digital Receiver Front-end
中文描述: 數字接收機前端
文件頁數: 14/30頁
文件大?。?/td> 450K
代理商: DRX3960A
DRX 3960A
ADVANCE INFORMATION
14
Micronas
4.1.4. Proposals for General DRX 3960A I
2
C Telegrams
4.1.4.1. Symbols
daw
dar
<
>
aa
dd
write device address (82
hex
, 86
hex
or 8A
hex
)
read device address (83
hex
, 87
hex
or 8B
hex
)
Start Condition
Stop Condition
Address Byte
Data Byte
4.1.4.2. Write Telegrams
<daw 00 d0 00>
<daw 10 aa aa dd dd>
write to CONTROL register
write data into DRX
4.1.4.3. Read Telegrams
<daw 11 aa aa <dar dd dd>
read data from DRX
4.2. List of Control Registers
Table 4
5:
List of Control Registers
Write Register
Address
(hex)
Bits
Description
Reset
(hex)
I
2
C Subaddress = 03
hex
; Register is not readable.
Output ports
no
[5:0]
Output level of Ports
0
I
2
C Subaddress = 10
hex
; Register are not readable.
Standard select
00 20
[11:0]
Transmission standard
01 03
Level settings
10 01
[9:0]
[VID_PEAK, SIF_REF, VID_AMP]
Reference divider
10 10
[8:0]
[for 4 MHz, 13 MHz, 20.25 MHz, 27 MHz or other
REF_SW = high
REF_SW = low]
10D
0CA
Tuner take over point
10 12
[3:0]
[0 dB ... 20 dB]
3
Equalizer Coe. 0
10 70
[9:0]
Equalizer coefficient
025
Equalizer Coe. 1
10 71
[8:0]
Equalizer coefficient
197
Equalizer Coe. 2
10 72
[8:0]
Equalizer coefficient
0C5
Equalizer Coe. 3
10 73
[8:0]
Equalizer coefficient
12E
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