Rainbow Electronics MAX7360 User Manual
Page 21
I
2
C-Interfaced Key-Switch Controller and LED
Driver/GPIOs with Integrated ESD Protection
MAX7360
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Table 10. Key-Switch Interrupt Register Format (0x03)
Table 9. Debounce Register Format (0x02) (continued)
REGISTER DESCRIPTION
REGISTER DATA
D7
D6
D5
D4
D3
D2
D1
D0
PORTS ENABLE
DEBOUNCE TIME
GPO ports 7, 6, and 5 enabled
0
1
1
X
X
X
X
X
GPO ports 7, 6, 5, and 4 enabled
1
0
0
X
X
X
X
X
GPO ports 7, 6, 5, 4, and 3 enabled
1
0
1
X
X
X
X
X
GPO ports 7, 6, 5, 4, 3, and 2 enabled
1
1
X
X
X
X
X
X
Power-up default setting
1
1
1
1
1
1
1
1
REGISTER DESCRIPTION
REGISTER DATA
D7
D6
D5
D4
D3
D2
D1
D0
FIFO-BASED INTK
TIME-BASED INTK
INTK used as GPO
0
0
0
0
0
0
0
0
FIFO-based INTK disabled
0
0
0
Not all zero
INTK asserts every debounce cycle
0
0
0
0
0
0
0
1
INTK asserts every 2 debounce cycles
0
0
0
0
0
0
1
0
.
.
.
INTK asserts every 29 debounce cycles
0
0
0
1
1
1
0
1
INTK asserts every 30 debounce cycles
0
0
0
1
1
1
1
0
INTK asserts every 31 debounce cycles
0
0
0
1
1
1
1
1
Time-based INTK disabled
Not all zero
0
0
0
0
0
INTK asserts when FIFO has 2 key events
0
0
1
0
0
0
0
0
INTK asserts when FIFO has 4 key events
0
1
0
0
0
0
0
0
INTK asserts when FIFO has 6 key events
0
1
1
0
0
0
0
0
.
.
.
INTK asserts when FIFO has 16 key events
1
1
1
0
0
0
0
0
Both time-based and FIFO-based interrupts
active
Not all zero
Not all zero
Power-up default setting
0
0
0
0
0
0
0
0