MAX7315 Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

MAX7315

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

Maxim Integrated 

8-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

MSB

LSB MSB

LSB

0x11

OUTPUT P3 INTENSITY

OUTPUT P2 INTENSITY

0

P3I3 P3I2 P3I1 P3I0 P2I3 P2I2 P2I1 P2I0

1

OUTPUTS P5, P4 INTENSITY

Write output P5, P4 intensity

Read back output P5, P4 intensity

MSB

LSB MSB

LSB

0x12

OUTPUT P5 INTENSITY

OUTPUT P4 INTENSITY

0

P5I3 P5I2 P5I1 P5I0 P4I3 P4I2 P4I1 P4I0

1

OUTPUTS P7, P6 INTENSITY

Write output P7, P6 intensity

Read back output P7, P6 intensity

MSB

LSB MSB

LSB

0x13

OUTPUT P7 INTENSITY

OUTPUT P6 INTENSITY

0

P7I3 P7I2 P7I1 P7I0 P6I3 P6I2 P6I1 P6I0

1

OUTPUT O8 INTENSITY

See the master, O8 intensity register (Table 13).

22 ______________________________________________________________________________________

Share Link: