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

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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 15. MAX7311, PCA9535, and PCA9555 Register Compatibility

PCA9534,

PCA9554(A)

REGISTER

Inputs

Outputs

Polarity inversion

Configuration

No registers

No register

No register

No registers

ADDRESS

MAX7313 IMPLEMENTATION

0x00

0x01

Inputs registers

Blink phase 0 registers

0x02

Not implemented; register writes are

ignored; register reads return 0x00

0x03

0x0B

0x0E

0x0F

0x10–0x13

Ports configuration registers

Blink phase 1 registers

Master and global/O8 intensity register

Configuration register

Outputs intensity registers

MAX7311, PCA9535,

PCA9555

IMPLEMENTATION

COMMENTS

Implemented

Implemented

Same functionality

Same functionality

Implemented;

power-up default is

0x00

If polarity inversion feature

is unused, MAX7313

defaults to correct state

Not implemented

Not implemented

Not implemented

Not implemented

Not implemented

Same functionality

Power-up default disables

the blink and intensity

(PWM) features

2V TO 3.6V

5V

0.047µF

µC

SDA

SCL

I/O

V+

P0

P1

SDA MAX7315 P2

SCL

P3

P4

P5

INT/O8

P6

AD0

P7

AD1

AD2

GND

BAS16

Figure 18. Diode-Protected Switching Inductive Load

Pin Configurations (continued)

TOP VIEW

AD0 1

AD1 2

AD2 3

P0 4

P1 5

P2 6

P3 7

GND 8

MAX7315AEE

MAX7315AUE

16 V+

15 SDA

14 SCL

13 INT/O8

12 P7

11 P6

10 P5

9 P4

QSOP/TSSOP

Typical Application Circuit

5V

0.047µF

µC

SDA

SCL

I/O

3.3V

V+

P0

P1

SDA MAX7315 P2

SCL

P3

P4

P5

INT/O8

P6

AD0

P7

AD1

AD2

GND

5V 3.3V

INPUT 1

INPUT 2

OUTPUT1

OUTPUT2

______________________________________________________________________________________ 23

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