參數(shù)資料
型號(hào): Si3232
廠商: Electronic Theatre Controls, Inc.
英文描述: DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
中文描述: 兩個(gè)可編程的CMOS用戶接口與在線監(jiān)測(cè)
文件頁數(shù): 54/128頁
文件大?。?/td> 2327K
代理商: SI3232
Si3232
54
Preliminary Rev. 0.96
In Figure 28, the CID field is 0. As this field is decremented (LSB to MSB order), the value decrements for each SDI
down the line. The BRDCST, R/W, and REG/RAM bits remain unchanged as the control word passes through the
entire chain. The odd SDIs are internal to the device and represent the SDI to SDI_THRU connection between
channels of the same device. A unique CID is presented to each channel, and the channel receiving a CID value of
0 is the target of the operation (channel 0 in this case). The last line of Figure 28 illustrates that in broadcast mode,
all bits are passed through the chain without permutation.
Figure 28. Sample SPI Control Word to Address Channel 0
Figure 29. Register Write Operation via an 8-Bit SPI Port
SPI Control Word
BRDCST
R/W
REG/RAM
Reserved
CID[0]
CID[1]
CID[2]
CID[3]
0
A
B
C
0
0
0
0
0
A
B
C
1
1
1
1
0
A
B
C
0
1
1
1
0
A
B
C
1
0
1
1
0
A
B
C
0
1
0
0
0
A
B
C
1
0
0
0
1
A
B
C
D
E
F
G
SDI0
SDI1 (Internal)
SDI2
SDI3 (Internal)
SDI 0-15
SDI15
SDI0-15
CONTROL
ADDRESS
DATA [7:0]
SCLK
SDI
SDO
Hi-Z
CS
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