MAX7314ATG Ver la hoja de datos (PDF) - Maxim Integrated

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MAX7314ATG

18-Port GPIO with LED Intensity Control, Interrupt, and Hot-Insertion Protection

Maxim Integrated 

18-Port GPIO with LED Intensity Control,

Interrupt, and Hot-Insertion Protection

Table 4. Configuration Register

REGISTER

ADDRESS

CODE

REGISTER DATA

(hex)

D7

D6

D5

D4

D3

D2

D1

D0

R/W

CONFIGURATION

0x0F

Write device configuration

0

Read back device configuration

1

Disable blink

—

Enable blink

—

—

Flip blink register (see text)

—

Disable global intensity control—intensity

is set by registers 0x10–0x17 for ports P0

through P15 when configured as outputs, —

and by D3–D0 of register 0x0E for

INT/O16 when INT/O16 pin is configured

as an output port

Enable global intensity control—intensity

for all ports configured as outputs is set —

by D3–D0 of register 0x0E

Disable data change interrupt—INT/O16 —

output is controlled by the O0 and O1 bits

Enable data change interrupt—INT/O16

output is controlled by port input data —

change

INT/O16 output is low (blink is disabled) —

INT/O16 output is high impedance (blink —

is disabled)

INT/O16 output is low during blink phase 0 —

INT/O16 output is high impedance during —

blink phase 0

INT/O16 output is low during blink phase 1 —

INT/O16 output is high impedance during

blink phase 1

—

X = Don’t care.

INT BLINK O1

O0

I

G

B

E

X

X

X

X

X

X

X

0

X

X

X

X

X

X

X

1

X

X

X

X

X

X

0

1

X

X

X

X

X

X

1

1

X

X

X

X

X

0

X

X

X

X

X

X

X

1

X

X

X

X

X

X

0

X

X

X

X

X

X

X

1

X

X

X

X

X

X

0

0

X

X

0

X

X

X

1

0

X

X

0

X

X

X

0

0

X

X

1

X

X

X

1

0

X

X

1

X

X

0

X

0

X

X

1

X

X

1

X

0

X

X

1

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