MAX335
Serial Controlled, 8-Channel SPST Switch
8 _______________________________________________________________________________________
X
D6 D5
0 X X
1 X X
0 X
X
D7
1 X
X X X
X X X
X X 1
X X 0
X X X
X X X
X X X
X X X
X X X
D0
X
X
X
X
X
X
X
X
X
X
X
X
X
D3
X
X
X
X
X
X
X
X
X
X
X
1
0
D4
X
X
X
X
1
0
X
X
X
X
X
X
X
D2
X
X
X
X
X
X
X
X
X
1
0
X
X
Switch 7 open (off)
Switch 7 closed (on)
Switch 6 open
Switch 6 closed
Switch 4 closed
Switch 4 open
Switch 5 closed
Switch 5 open
Switch 1 open
Switch 2 closed
Switch 2 open
Switch 3 closed
Switch 3 open
D1
X
X
X
X
X
X
X
X
0
X
X
X
X
X X X X X X 1 X Switch 1 closed
X X X X X X X 0 Switch 0 open
X X X X X X X 1 Switch 0 closed
Table 1. Serial-Interface Switch Programming
X = Don't care
SCLK
DIN
DOUT
CS
SK
SO
SI
I/0
MICROWIRE
PORT
MAX335
THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE
MAX335, BUT MAY BE USED FOR DATA-ECHO PURPOSES.
DOUT
DIN
SCLK
CS
MISO
MOSI
SCK
I/0
SPI
PORT
MAX335
THE DOUT-MISO CONNECTION IS NOT REQUIRED FOR WRITING TO THE
MAX335, BUT MAY BE USED FOR DATA-ECHO PURPOSES.
CPOL = 0, CPHA = 0
Figure 3. Connections for Microwire
Figure 4. Connections for SPI
DATA BITS
FUNCTION
