USB7016 datasheet(18/60 Pages) MICROCHIP

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USB7016

DS00003740B-page 18

 2022 Microchip Technology Inc. and its subsidiaries

3.3.2

NON-REMOVABLE PORT CONFIGURATION (CFG_NON_REM)

The CFG_NON_REM configuration strap is used to configure the non-removable port settings of the device to one of

six settings. These modes are selected by the configuration of an external resistor on the CFG_NON_REM pin. The

resistor options are a 200 kΩ pull-down, 200 kΩ pull-up, 10 kΩ pull-down, 10 kΩ pull-up, 10 Ω pull-down, and 10 Ω pull-

up, as shown in Table 3-2.

3.3.3

BATTERY CHARGING CONFIGURATION (CFG_BC_EN)

The CFG_BC_EN configuration strap is used to configure the battery charging port settings of the device to one of six

settings. These modes are selected by the configuration of an external resistor on the CFG_BC_EN pin. The resistor

options are a 200 kΩ pull-down, 200 kΩ pull-up, 10 kΩ pull-down, 10 kΩ pull-up, 10 Ω pull-down, and 10 Ω pull-up, as

shown in Table 3-3.

3.3.4

PF[31:3] CONFIGURATION (CFG_STRAP[2:1])

The USB7016 provides 29 programmable function pins (PF[31:3]). These pins can be configured to 2 predefined con-

figuration via the CFG_STRAP[2:1] pins. These configurations are selected via external resistors on the

CFG_STRAP[2:1] pins, as detailed in Table 3-4. Resistor values and combinations not detailed in Table 3-4 are reserved

and should not be used.

TABLE 3-2:

CFG_NON_REM RESISTOR ENCODING

CFG_NON_REM Resistor Value

Setting

200 kΩ Pull-Down

All ports removable

200 kΩ Pull-Up

Port 1 non-removable

10 kΩ Pull-Down

Ports 1, 2 non-removable

10 kΩ Pull-Up

Ports 1, 2, 3 non-removable

10 Ω Pull-Down

Ports 1, 2, 3, 4 non-removable

10 Ω Pull-Up

Ports 1, 2, 3, 4, 5, 6 non-removable

TABLE 3-3:

CFG_BC_EN RESISTOR ENCODING

CFG_BC_EN Resistor Value

Setting

200 kΩ Pull-Down

Battery charging not enable on any port

200 kΩ Pull-Up

BC1.2 DCP and CDP battery charging enabled on Port 1

10 kΩ Pull-Down

BC1.2 DCP and CDP battery charging enabled on Ports 1, 2

10 kΩ Pull-Up

BC1.2 DCP and CDP battery charging enabled on Ports 1, 2, 3

10 Ω Pull-Down

BC1.2 DCP and CDP battery charging enabled on Ports 1, 2, 3, 4

10 Ω Pull-Up

BC1.2 DCP and CDP battery charging enabled on Ports 1, 2, 3, 4, 5, 6

Note:

CFG_STRAP3 is not used and must be pulled-down to ground via a 200 k

 resistor.

TABLE 3-4:

CFG_STRAP[2:1] RESISTOR ENCODING

Mode

CFG_STRAP2

Resistor Value

CFG_STRAP1

Resistor Value

Configuration 1

200 kΩ Pull-Down

Configuration 2

200 kΩ Pull-Down

200 kΩ Pull-Up

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