MAX7315ATE+ Maxim Integrated Products, MAX7315ATE+ Datasheet - Page 22

IC I/O EXPANDER I2C 8B 16TQFN-EP

MAX7315ATE+

Manufacturer Part Number

MAX7315ATE+

Description

IC I/O EXPANDER I2C 8B 16TQFN-EP

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX7315ATE.pdf (26 pages)

Specifications of MAX7315ATE+

Interface

I²C, SMBus

Number Of I /o

8

Interrupt Output

Yes

Frequency - Clock

400kHz

Voltage - Supply

2 V ~ 3.6 V

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

16-TQFN Exposed Pad

Operating Supply Voltage

2 V to 3.6 V

Power Dissipation

1176 mW

Operating Temperature Range

- 40 C to + 125 C

Input Voltage

1.08 V to 1.4 V

Maximum Clock Frequency

400 KHz

Mounting Style

SMD/SMT

Output Voltage

0.15 V

Chip Configuration

8 Bit

Bus Frequency

400kHz

Ic Interface Type

I2C, SMBus

No. Of I/o's

8

Supply Voltage Range

2V To 3.6V

Digital Ic Case Style

TQFN

No. Of Pins

16

Filter Terminals

SMD

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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8-Port I/O Expander with LED Intensity

Control, Interrupt, and Hot-Insertion Protection

Table 14. Output Intensity Registers

22

Output P1 intensity duty cycle is 14/16

Output P1 intensity duty cycle is 15/16

Output P1 intensity duty cycle is 16/16

Output P0 intensity duty cycle is 14/16

Output P0 intensity duty cycle is 15/16

Output P0 intensity duty cycle is 16/16

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 P0 intensity duty cycle is 1/16

Output P0 intensity duty cycle is 2/16

Output P0 intensity duty cycle is 3/16

Read back output P1, P0 intensity

Read back output P3, P2 intensity

Read back output P5, P4 intensity

Read back output P7, P6 intensity

______________________________________________________________________________________

OUTPUTS P1, P0 INTENSITY

OUTPUTS P3, P2 INTENSITY

OUTPUTS P5, P4 INTENSITY

OUTPUTS P7, P6 INTENSITY

Write output P1, P0 intensity

Write output P3, P2 intensity

Write output P5, P4 intensity

Write output P7, P6 intensity

(static logic level, no PWM)

(static logic level, no PWM)

OUTPUT O8 INTENSITY

REGISTER

—

—

R/W

—

—

—

—

—

—

—

—

—

—

—

—

—

—

0

1

0

1

0

1

0

1

ADDRESS

CODE

(HEX)

0X10

0x11

0x12

0x13

MSB

MSB

MSB

MSB

P1I3

P3I3

P5I3

P7I3

D7

—

—

—

—

—

—

—

—

0

0

0

1

1

1

OUTPUT P1 INTENSITY

OUTPUT P3 INTENSITY

OUTPUT P5 INTENSITY

OUTPUT P7 INTENSITY

P1I2

P3I2

P5I2

P7I2

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

D6

—

—

—

—

—

—

—

—

0

0

0

1

1

1

P1I1

P3I1

P5I1

P7I1

D5

—

—

—

—

—

—

—

—

0

0

1

0

1

1

REGISTER DATA

LSB

P1I0

LSB

P3I0

LSB

P5I0

LSB

P7I0

D4

—

—

—

—

—

—

—

—

0

1

0

1

0

1

MSB

MSB

MSB

MSB

P0I3

P2I3

P4I3

P6I3

D3

—

—

—

—

—

—

—

—

0

0

0

1

1

1

OUTPUT P0 INTENSITY

OUTPUT P2 INTENSITY

OUTPUT P4 INTENSITY

OUTPUT P6 INTENSITY

P0I2

P2I2

P4I2

P6I2

D2

—

—

—

—

—

—

—

—

0

0

0

1

1

1

P0I1

P2I1

P4I1

P6I1

D1

—

—

—

—

—

—

—

—

0

0

1

0

1

1

LSB

P0I0

LSB

P2I0

LSB

P4I0

LSB

P6I0

D0

—

—

—

—

—

—

—

—

0

1

0

1

0

1

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