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Table 13. master, o8 intensity register – Rainbow Electronics MAX7315 User Manual

Page 21

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MAX7315

8-Port I/O Expander with LED Intensity

Control and Interrupt

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21

Table 13. Master, O8 Intensity Register

REGISTER DATA

REGISTER

ADDRESS

CODE

(HEX)

D7

D6

D5

D4

D3

D2

D1

D0

MSB

LSB

MSB

LSB

MASTER AND GLOBAL INTENSITY

R/

W

MASTER INTENSITY

O8 INTENSITY

Write master and global intensity

0

Read back master and global intensity

1

M3

M2

M1

M0

G3

G2

G1

G0

Master intensity duty cycle is 0/15 (off);

internal oscillator is disabled;

all outputs will be static with no PWM

0

0

0

0

Master intensity duty cycle is 1/15

0

0

0

1

Master intensity duty cycle is 2/15

0

0

1

0

Master intensity duty cycle is 3/15

0

0

1

1

Master intensity duty cycle is 13/15

1

1

0

1

Master intensity duty cycle is 14/15

1

1

1

0

Master intensity duty cycle is 15/15 (full)

1

1

1

1

O8 intensity duty cycle is 1/16

0

0

0

0

O8 intensity duty cycle is 2/16

0

0

0

1

O8 intensity duty cycle is 3/16

0

0

1

0

O8 intensity duty cycle is 14/16

1

1

0

1

O8 intensity duty cycle is 15/16

1

1

1

0

O8 intensity duty cycle is 16/16

(static output, no PWM)

0X0E

1

1

1

1