Rainbow-electronics MAX7313 Manual de usuario descargar pdf (Pagina 22)

MAX7313

16-Port I/O Expander with LED Intensity

Control and Interrupt

22 ______________________________________________________________________________________

Table 14. Output Intensity Registers

ADDRESS

CODE

(HEX)

D7 D6 D5 D4 D3 D2 D1 D0

MSB LSB MSB

LSB

OUTPUTS P1, P0 INTENSITY

R/W

OUTPUT P1 INTENSITY OUTPUT P0 INTENSITY

Write output P1, P0 intensity

Read back output P1, P0 intensity

P1I3 P1I2 P1I1 P1I0 P0I3 P0I2 P0I1

P0I0

Output P1 intensity duty cycle is 1/16

—

0000————

Output P1 intensity duty cycle is 2/16

—

0001————

Output P1 intensity duty cycle is 3/16

—

0010————

—

————————

Output P1 intensity duty cycle is 14/16

—

1101————

Output P1 intensity duty cycle is 15/16

—

1110————

Output P1 intensity duty cycle is 16/16

(static logic level, no PWM)

—

1111————

Output P0 intensity duty cycle is 1/16

—

———— 0000

Output P0 intensity duty cycle is 2/16

—

———— 0001

Output P0 intensity duty cycle is 3/16

—

———— 0010

—

————————

Output P0 intensity duty cycle is 14/16

—

———— 1101

Output P0 intensity duty cycle is 15/16

—

———— 1110

Output P0 intensity duty cycle is 16/16

(static logic level, no PWM)

—

0X10

———— 1111

MSB LSB MSB

LSB

OUTPUTS P3, P2 INTENSITY

OUTPUT P3 INTENSITY OUTPUT P2 INTENSITY

Write output P3, P2 intensity

Read back output P3, P2 intensity

0x11

P3I3 P3I2 P3I1 P3I0 P2I3 P2I2 P2I1

P2I0

MSB LSB MSB

LSB

OUTPUTS P5, P4 INTENSITY

OUTPUT P5 INTENSITY OUTPUT P4 INTENSITY

Write output P5, P4 intensity

Read back output P5, P4 intensity

0x12

P5I3 P5I2 P5I1 P5I0 P4I3 P4I2 P4I1

P4I0

MSB LSB MSB

LSB

OUTPUTS P7, P6 INTENSITY

OUTPUT P7 INTENSITY OUTPUT P6 INTENSITY

Write output P7, P6 intensity

Read back output P7, P6 intensity

0x13

P7I3 P7I2 P7I1 P7I0 P6I3 P6I2 P6I1

P6I0

1 2 ... 17 18 19 20 21 22 23 24 25 26 27

Control and Interrupt 1

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Rainbow-electronics MAX7313 Manual de usuario Pagina 22

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