MAX7302AEE datasheet(11/29 Pages) MAXIM

Part #	MAX7302AEE

Description	SMBus/I2C Interfaced 9-Port, Level-Translating GPIO and LED Driver with CLA

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Manufacturer	MAXIM [Maxim Integrated Products]

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SMBus/I2C Interfaced 9-Port,

Level-Translating GPIO and LED Driver with CLA

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11

DEBOUNCE LOGIC

TRANSITION

DETECTION

TRANSITION

DETECTION

I/O

PORT_ [4:3]

0

1

PORT_ [2]

(DEBOUNCE)

INTERRUPT

LOGIC

INT

INT2

INT9

INT

PORT_ [5]

INTERRUPT

ENABLE

PORT_ [0]

(PORTIN)

PORT_ [6]

(THRESHOLD

SELECT)

VDD

VLA

Figure 1. Input Port Structure

REGISTER BIT

DESCRIPTION

VALUE

FUNCTION

D7

Port I/O set bit

0

Sets the I/O port as an output.

0

Sets the output type to open drain.

D6

Output port set to

push-pull

or open drain

1

Sets the output type to push-pull.

0

Sets the output to PWM mode.

D5

PWM/blink enable

1

Sets the output to blink mode.

D4

Duty-cycle bit 4

0/1

MSB of the 5-bit duty-cycle setting. See Tables 9 and 11.

D3

Duty-cycle bit 3

0/1

Bit 3 of the 5-bit duty-cycle setting. See Tables 9 and 11.

D2

Duty-cycle bit 2

0/1

Bit 2 of the 5-bit duty-cycle setting. See Tables 9 and 11.

D1

Duty-cycle bit 1

0/1

Bit 1 of the 5-bit duty-cycle setting. See Tables 9 and 11.

D0

Duty-cycle bit 0

0/1

LSB of the 5-bit duty-cycle setting. See Tables 9 and 11.

Table 7. Port I/O Registers (I/O Port Set as an Output, Registers 0x01 to 0x09)

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