MAX4549EAX-T Maxim Integrated Products, MAX4549EAX-T Datasheet - Page 14

• Manufacturer Part Number: MAX4549EAX-T
• Description: Analog & Digital Crosspoint ICs
• Manufacturer: Maxim Integrated Products

Specifications of MAX4549EAX-T

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 7. “SPI” Protocol
SRT = Start Condition
ACK = Acknowledge Condition
STOP = Stop Condition
SRT = Start Condition
ACK = Acknowledge Condition
STOP = Stop Condition
Serially Controlled, Triple 3x2 Audio/Video
Crosspoint Switches
14
Table 5. “WriteByte” Protocol
Table 4. Clickless Mode Format (C7 = “1”)
SRT = Start Condition
ACK = Acknowledge Condition
STOP = Stop Condition
Table 6. “WriteWord” Protocol
C7
S
R
T
C
C
K
BIT
L
R
D7
D6
D5
D4
D3
D2
D1
D0
S
T
I
A7
1
C6
______________________________________________________________________________________
A7
B
A
S
1
I
A6
0
COMMAND BYTE
Don’t care
Don’t care
Controls COM2C clickless mode; 1 = enables clickless mode, 0 = disables clickless mode.
Controls COM1C clickless mode; 1 = enables clickless mode, 0 = disables clickless mode.
Controls COM2B clickless mode; 1 = enables clickless mode, 0 = disables clickless mode.
Controls COM1B clickless mode; 1 = enables clickless mode, 0 = disables clickless mode.
Controls COM2A clickless mode; 1 = enables clickless mode, 0 = disables clickless mode.
Controls COM1A clickless mode; 1 = enables clickless mode, 0 = disables clickless mode.
C5
A6
O
M
C
C
2
0
ADDRESS BYTE
A5
0
ADDRESS BYTE
C4
A5
A4
O
M
C
C
1
1
0
A3
1
C3
A4
O
M
C
B
2
1
A2
A1
C2
A3
M
C
O
B
1
1
A1
A0
C1 C0
A2
A1
M
A0
C
O
2
A
0
A
C
K
A1
A0
M
C
O
1
A
C7
C
L
C
K
I
D15
A0
0
C6
B
A
S
I
D14
COMMAND BYTE
C
C5
A
K
C
O
M
C
2
D13
C4
M
C
O
C
C7
1
C
C
K
L
I
C3
C
O
M
2
B
D12
C6
B
A
S
I
C2
M
C
O
B
1
COMMAND BYTE
D11
C5
DESCRIPTION
O
M
C
C
2
C1
C
O
M
2
A
D10
C0
C4
M
C
O
A
1
M
C
O
C
1
C
A
K
D9 D8
C3
M
C
O
2
B
D15
DATA WORD
C2
C
O
M
D14
1
B
D13
D7
C1
C
O
M
A
2
D12
D6
C0
O
M
C
A
1
D11
D5
A
C
K
D10
D4
D7
D9
DATA WORD
D8
D3
D6
A
C
K
D2 D1 D0
D5
D7
DATA BYTE
D4
D6
D5 D4
D3
D2 D1 D0
D3
D2
D1
POWER-UP
DEFAULT
STATE
D0
C
A
K
—
—
1
1
1
1
1
1
C
A
K
O
S
T
P
O
S
P
T