Rainbow-electronics MAX9135 Manual de usuario Pagina 10

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MAX9132/MAX9134/MAX9135
Programmable, High-Speed, Multiple
Input/Output LVDS Crossbar Switches
10 ______________________________________________________________________________________
REGISTER
ADDRESS
REGISTER BIT(S) DESCRIPTION VALUE FUNCTION
0 DOUT1 preemphasis off
D7 DOUT1 Preemphasis
1 DOUT1 preemphasis on
000 DOUT1 in high impedance
001 DOUT1 connected to DIN1
010 DOUT1 connected to DIN0
D[6:4]
DOUT1 Routing
Connection
011 DOUT1 connected to DIN2
0 DOUT0 preemphasis off
D3 DOUT0 Preemphasis
1 DOUT0 preemphasis on
000 DOUT0 in high impedance
001 DOUT0 connected to DIN1
010 DOUT0 connected to DIN0
0x01
D[2:0]
DOUT0 Routing
Connection
011 DOUT0 connected to DIN2
0 DOUT3 preemphasis off
D7 DOUT3 Preemphasis
1 DOUT3 preemphasis on
000 DOUT3 in high impedance
001 DOUT3 connected to DIN1
010 DOUT3 connected to DIN0
D[6:4]
DOUT3 Routing
Connection
011 DOUT3 connected to DIN2
0 DOUT2 preemphasis off
D3 DOUT2 Preemphasis
1 DOUT2 preemphasis on
000 DOUT2 in high impedance
001 DOUT2 connected to DIN1
010 DOUT2 connected to DIN0
0x02
(MAX9134 only)
D[2:0]
DOUT2 Routing
Connection
011 DOUT2 connected to DIN2
Table 2a. I
2
C/LIN Switch Routing Control Registers for the MAX9132/MAX9134
BIT 7…………….……………… BIT 0 ACK BIT BIT 7…………….…………………BIT 0 ACK BIT
8-BIT DATA AS
BIT 7…….…….…………BIT 0 ACK BIT
7-BIT SLAVE ID 0 AS
ADDR
AS
ADDRESS/COMMAND BYTE
S P
SINGLE WRITE
SINGLE READ
BIT 7…………….……….BIT 0 ACK BIT
BIT 7………….…………BIT 0 ACK BITBIT 7…………….……………BIT 0 ACK BIT
8-BIT DATA
/AM
BIT 7…….…………BIT 0 ACK BIT
7-BIT SLAVE ID
0AS
ADDR
AS S 7-BIT SLAVE ID
1AS
ADDRESS/COMMAND BYTE
S P
ADDR: 8-BIT REGISTER ADDRESS
S: 2-WIRE BUS START CONDITION BY MASTER
P: 2-WIRE BUS STOP CONDITION BY MASTER
AS: ACKNOWLEDGE BY SLAVE
AM: ACKNOWLEDGE BY MASTER
/AM: NO ACKNOWLEDGE BY MASTER
Figure 2. Single-Byte Write and Single-Byte Read
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