UPD360 datasheet(17/221 Pages) MICROCHIP

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 2016-2017 Microchip Technology Inc.

DS00002084C-page 17

UPD360

Configuration

Select 1

CFG_SEL1

AIO

This multi-level configuration signal is sampled after a sys-

tem reset to select the device’s default I2C slave address

based on the connected 1% precision resistor value

(UPD360-A/UPD360-B only).

Refer to Section 9.8.1, "Configuration Selection," on

page 81 for additional information.

Note:

This signal is not available in the UPD360-C.

General

Purpose I/O

0-15

GPIO0,

GPO1,

GPIO2,

GPIO3,

GPIO4,

GPIO5,

GPIO6,

GPIO7,

GPIO8,

GPIO9,

GPO10

IS/O8/

OD8

(PU)

The general purpose I/O signals are fully programmable as

either a push-pull output, an open-drain output, or a

Schmitt-triggered input (except GPO1 and GPO10). A pro-

grammable pull-up may optionally be enabled.

Note:

The GPO1 and GPO10 general purpose sig-

nals can only function as outputs and must

be kept in a low state coincident with de-

asserting RESET_N.

Note:

Tie these signals to ground when unused.

Note:

External pull-ups and pull-downs shall be placed

on GPIO pins to ensure that when in the reset

state the inputs to external devices are driven to

a valid state.

Note:

GPIO0 is not available in the UPD360-C.

Note:

In Standalone DFP/UFP modes (UPD360-A/

UPD360-B only), GPIOs 9-15 have alternate

dedicated functions, as defined in Section

3.1.1.1,

"UPD360-A/UPD360-B

GPIO[9:15]

Functions in Standalone DFP/UFP Modes," on

page 11.

Refer to Section 8.2, "General Purpose I/O," on page 37 for

additional information.

System Reset

RESET_N

Active low system reset.

Note:

If this signal is unused, it must be pulled up to

VDD33IO.

Refer to Section 7.7, "Reset Operation," on page 34 for

additional information.

Power Down

PWR_DN

When asserted, this signal places the device into the

SLEEP state.

Note:

Tie this signal to ground when unused.

Refer to Section 7.2.1, "SLEEP," on page 31 for additional

information.

Over-Current

Sense

Comparator 1

OCS_COMP1

This pin is used by the integrated OCS comparator to

detect for error conditions.

Note:

Tie this signal to ground when unused.

Refer to Section 8.3, "External Over-current Detection," on

page 39 for additional information.

TABLE 3-4:

BALL DESCRIPTIONS (CONTINUED)

NAME

SYMBOL

BUFFER

TYPE

DESCRIPTION

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