MAX7360 Maxim, MAX7360 Datasheet - Page 21

• Manufacturer Part Number: MAX7360
• Description: The MAX7360 I²C-interfaced peripheral provides microprocessors with management of up to 64 key switches, with an additional eight LED drivers/GPIOs that feature constant-current, PWM intensity control, and rotary switch control options
• Manufacturer: Maxim

Table 10. Key-Switch Interrupt Register Format (0x03)
Table 9. Debounce Register Format (0x02) (continued)
GPO ports 7, 6, and 5 enabled
GPO ports 7, 6, 5, and 4 enabled
GPO ports 7, 6, 5, 4, and 3 enabled
GPO ports 7, 6, 5, 4, 3, and 2 enabled
Power-up default setting
INTK used as GPO
FIFO-based INTK disabled
INTK asserts every debounce cycle
INTK asserts every 2 debounce cycles
INTK asserts every 29 debounce cycles
INTK asserts every 30 debounce cycles
INTK asserts every 31 debounce cycles
Time-based INTK disabled
INTK asserts when FIFO has 4 key events
INTK asserts when FIFO has 6 key events
INTK asserts when FIFO has 8 key events
INTK asserts when FIFO has 14 key events
Both time-based and FIFO-based interrupts
active
Power-up default setting
I
2
Driver/GPIOs with Integrated ESD Protection
C-Interfaced Key-Switch Controller and LED
REGISTER DESCRIPTION
REGISTER DESCRIPTION
______________________________________________________________________________________
D7
0
0
0
0
0
0
D7
0
0
0
0
1
0
0
1
1
1
1
FIFO-BASED INTK
PORTS ENABLE
Not all zero
Not all zero
D6
D6
0
0
0
0
0
0
0
0
1
1
1
0
1
0
0
1
1
.
.
.
.
.
.
D5
D5
X
1
0
1
1
0
0
0
0
0
0
0
1
0
1
1
0
REGISTER DATA
REGISTER DATA
D4
D4
X
X
X
X
1
0
0
0
1
1
1
0
0
0
0
0
0
D3
D3
X
X
X
X
1
0
0
0
1
1
1
0
0
0
0
0
0
TIME-BASED INTK
DEBOUNCE TIME
Not all zero
Not all zero
D2
D2
X
X
X
X
1
0
0
0
1
1
1
0
0
0
0
0
0
D1
D1
X
X
X
X
1
0
0
1
0
1
1
0
0
0
0
0
0
D0
D0
X
X
X
X
1
0
1
0
1
0
1
0
0
0
0
0
0
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