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MAX7316

10-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection

Maxim Integrated 

10-Port I/O Expander with LED Intensity

Control, Interrupt, and Hot-Insertion Protection

Table 14. Output Intensity Registers

REGISTER

OUTPUTS P1, P0 INTENSITY

Write output P1, P0 intensity

Read back output P1, P0 intensity

Output P1 intensity duty cycle is 1/16

Output P1 intensity duty cycle is 2/16

Output P1 intensity duty cycle is 3/16

—

Output P1 intensity duty cycle is 14/16

Output P1 intensity duty cycle is 15/16

Output P1 intensity duty cycle is 16/16

(static logic level, no PWM)

ADDRESS

CODE

R/W (HEX)

0

1

—

—

—

—

—

—

0x10

—

REGISTER DATA

D7

D6

D5

D4

MSB

LSB

OUTPUT P1 INTENSITY

D3

D2

D1

D0

MSB

LSB

OUTPUT P0 INTENSITY

P1I3 P1I2 P1I1 P1I0 P0I3 P0I2 P0I1 P0I0

0

0

0

0

—

—

—

—

0

0

0

1

—

—

—

—

0

0

1

0

—

—

—

—

—

—

—

—

—

—

—

—

1

1

0

1

—

—

—

—

1

1

1

0

—

—

—

—

1

1

1

1

—

—

—

—

Output P0 intensity duty cycle is 1/16

—

Output P0 intensity duty cycle is 2/16

—

Output P0 intensity duty cycle is 3/16

—

—

—

Output P0 intensity duty cycle is 14/16 —

Output P0 intensity duty cycle is 15/16 —

Output P0 intensity duty cycle is 16/16

—

(static logic level, no PWM)

—

—

—

—

0

0

0

0

—

—

—

—

0

0

0

1

—

—

—

—

0

0

1

0

—

—

—

—

—

—

—

—

—

—

—

—

1

1

0

1

—

—

—

—

1

1

1

0

—

—

—

—

1

1

1

1

OUTPUTS P3, P2 INTENSITY

Write output P3, P2 intensity

Read back output P3, P2 intensity

OUTPUTS P5, P4 INTENSITY

Write output P5, P4 intensity

Read back output P5, P4 intensity

OUTPUTS P7, P6 INTENSITY

Write output P7, P6 intensity

Read back output P7, P6 intensity

OUTPUT O8 INTENSITY

MSB

LSB MSB

LSB

OUTPUT P3 INTENSITY

OUTPUT P2 INTENSITY

0x11

0

P3I3 P3I2 P3I1 P3I0 P2I3 P2I2 P2I1 P2I0

1

MSB

LSB MSB

LSB

OUTPUT P5 INTENSITY

OUTPUT P4 INTENSITY

0x12

0

P5I3 P5I2 P5I1 P5I0 P4I3 P4I2 P4I1 P4I0

1

MSB

LSB MSB

LSB

OUTPUT P7 INTENSITY

OUTPUT P6 INTENSITY

0x13

0

P7I3 P7I2 P7I1 P7I0 P6I3 P6I2 P6I1 P6I0

1

See master, O8 intensity register (Table 13).

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