Rainbow Electronics MAX7359 - Manual (Page 9)

MAX7359
2-Wire Interfaced Low-EMI
Key Switch Controller/GPO
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REGISTER BIT DESCRIPTION VALUE FUNCTION DEFAULT VALUE
0 Sleep mode
D7 Sleep
1 Operating mode
I 2 C write, autosleep and
autowakeup all can
change this bit. This bit
can be read back by
I
2 C any time for current
status.
0
D6 Reserved 0
This bit must always be 0. Improper operation
may result by writing a 1 to this location.
0
0 Clear when FIFO empty
D5 INTERRUPT
1
Clear after host read.
In this mode, I
2 C should read FIFO until
interrupt condition removed, or further INT
may be lost.
0
D4 Reserved 0
This bit must always be 0. Improper operation
may result by writing a 1 to this location.
0
0 Disable
D3 Key release enable
1 Enable
1
D2 Reserved 0
This bit must always be 0. Improper operation
results by writing a 1 to this location.
0
0 Disable
D1 Wakeup
1 Key press wakeup enable
1
0 I 2 C timeout enabled
D0 Timeout enable
1 I 2 C timeout disabled
0
Table 4. Configuration Register Format (0x01)