MAX7316 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX7316
Maxim Integrated
MAX7316 Datasheet PDF : 24 Pages
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10-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
MASTER INTENSITY TIMESLOT
NEXT MASTER INTENSITY TIMESLOT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Figure 16. Individual (or Global) Set to 1/16
MASTER INTENSITY TIMESLOT
NEXT MASTER INTENSITY TIMESLOT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Figure 17. Individual (or Global) Set to 15/16
MASTER INTENSITY TIMESLOT CONTROL IS IGNORED
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Figure 18. Individual (or Global) Set to 16/16
Table 11. PWM Intensity Settings (Blink Disabled)
OUTPUT
(OR
GLOBAL)
INTENSITY
SETTING
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
0xB
0xC
0xD
0xE
PWM DUTY CYCLE
OUTPUT BLINK PHASE 0
REGISTER BIT = 0
LOW TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
10/16
11/16
12/16
13/16
14/16
15/16
HIGH TIME
15/16
14/16
13/16
12/16
11/16
10/16
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
0xF
Static low Static low
LED BEHAVIOR WHEN
OUTPUT BLINK PHASE 0
REGISTER BIT = 0
(LED IS ON WHEN
OUTPUT IS LOW)
Lowest PWM intensity
Highest PWM intensity
Full intensity, no PWM
(LED on continuously)
PWM DUTY CYCLE
OUTPUT BLINK PHASE 0
REGISTER BIT = 1
LOW TIME
15/16
14/16
13/16
12/16
11/16
10/16
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
Static high
impedance
HIGH TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
10/16
11/16
12/16
13/16
14/16
15/16
Static high
impedance
LED BEHAVIOR WHEN
OUTPUT BLINK PHASE 0
REGISTER BIT = 1
(LED IS ON WHEN
OUTPUT IS LOW)
Highest PWM intensity
Lowest PWM intensity
LED off continuously
18 ______________________________________________________________________________________
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