MAX7360 Maxim, MAX7360 Datasheet - Page 27

• 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 20. Rotary Switch Configuration Register (0x46)
Table 19. Common PWM Register (0x45) (continued)
Common PWM ratio is 252/256
Common PWM ratio is 253/256
Common PWM ratio is 254/256
Common PWM ratio is 256/256
(100% duty cycle)
No debounce time
Debounce time is 1ms
Debounce time is 2ms
Debounce time is 3ms
Debounce time is 15ms
No interrupt generated by rotary switch
INTI asserted when rotary switch count = ±1
INTI asserted when rotary switch count = ±2
INTI asserted when rotary switch count = ±3
INTI asserted when rotary switch count = ±7
INTI asserted 25ms after first debounced event
INTI asserted 50ms after first debounced event
INTI asserted 75ms after first debounced event
INTI asserted 175ms after first debounced event
Power-up default setting
I
2
Driver/GPIOs with Integrated ESD Protection
REGISTER DESCRIPTION
C-Interfaced Key-Switch Controller and LED
REGISTER DESCRIPTION
______________________________________________________________________________________
D7
1
1
1
1
TYPE
INT
D7
X
X
X
X
X
X
0
0
0
0
1
1
1
1
0
D6
1
1
1
1
D6
X
X
X
X
X
0
0
0
0
1
0
0
0
1
0
.
.
.
.
.
.
.
.
.
COUNTS/CYCLES
D5
1
1
1
1
D5
X
X
X
X
X
0
0
1
1
1
0
1
1
1
0
REGISTER DATA
COMMON PWM
D4
REGISTER DATA
1
1
1
1
D4
X
X
X
X
X
0
1
0
1
1
1
0
1
1
0
D3
1
1
1
1
D3
X
X
X
0
0
0
0
1
X
X
X
X
X
X
0
DEBOUNCE CYCLE TIME
D2
1
1
1
1
D2
X
X
X
X
X
X
X
X
X
0
0
0
0
0
1
D1
0
0
1
1
D1
0
0
1
1
1
X
X
X
X
X
X
X
X
X
0
D0
D0
1
0
1
0
X
X
X
X
X
X
X
X
X
0
1
0
1
1
0
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