Rainbow-electronics MAX7315 Bedienungsanleitung PDF herunterladen (Seite 23)

MAX7315

8-Port I/O Expander with LED Intensity

Control and Interrupt

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Table 15. MAX7311, PCA9535, and PCA9555 Register Compatibility

PCA9534,

PCA9554(A)

ADDRESS MAX7313 IMPLEMENTATION

MAX7311, PCA9535,

PCA9555

IMPLEMENTATION

COMMENTS

Inputs 0x00 Inputs registers Implemented Same functionality

Outputs 0x01 Blink phase 0 registers Implemented Same functionality

Polarity inversion 0x02

Not implemented; register writes are

ignored; register reads return 0x00

Implemented;

power-up default is

0x00

If polarity inversion feature

is unused, MAX7313

defaults to correct state

Configuration 0x03 Ports configuration registers Not implemented Same functionality

No registers 0x0B Blink phase 1 registers Not implemented

No register 0x0E Master and global/O8 intensity register Not implemented

No register 0x0F Configuration register Not implemented

No registers 0x10–0x13 Outputs intensity registers Not implemented

Power-up default disables

the blink and intensity

(PWM) features

Figure 18. Diode-Protected Switching Inductive Load

MAX7315

V+

2V TO 3.6V

µC

SDA

SCL

SDA

I/O

AD0

SCL

GND

AD2

AD1

0.047µF

INT/O8

BAS16

AD0

V+

SDA

SCL

TOP VIEW

MAX7315AEE

MAX7315AUE

QSOP/TSSOP

AD1

AD2

GND

INT/O8

Pin Configurations (continued)

1 2 ... 18 19 20 21 22 23 24 25 26 27

Control and Interrupt 1

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