UCS2113 datasheet(51/62 Pages) MICROCHIP

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DS20005680B-page 51

UCS2113

8.9

Product ID Register

The Product ID register stores a unique 8-bit value that

identifies the UCS device family.

8.10

Manufacture ID Register

The Manufacturer ID register stores a unique 8-bit

value that identifies Microchip Technology Inc.

bit 5

DISCHG_LOAD2: Connects the internal 100Ω load to discharge VBUS2 (Note 1). The SMBus host must

set this bit to discharge VBUS2 if the EN_VBUS_DISCHG bit from the General Configuration 2 register

12h is '0'. This functionality doesn't use any timer. The discharge time is controlled by the SMBus host,

which must clear this bit when its internal timer expires. The difference from DSCHG2 bit from the

General Configuration 2 register 12h is that, when that bit is set, the discharge time is controlled by the

UCS2113 internal timer.

The state of this bit is ignored when the EN_VBUS_DISCHG bit from the General Configuration 2

bit 4-2

SEL_R2_IMIN2_MIN<2:0>: Defines the IBUS_R2MIN current

000 =100 mA

001 =530 mA

010 =960 mA

011 =1280 mA

100 =1600 mA

101 =2130 mA

bit 1-0

Reserved: Do not change

Note 1: If the corresponding power switch is still turned on (PWR_EN2 control is active) while DISCHG_LOAD2 bit

is set, the internal 100Ω load will be connected in parallel with the load on the VBUS2 pins.

PORT 2 CURRENT LIMIT BEHAVIOR REGISTER (ADDRESS 24H) (CONTINUED)

PRODUCT ID REGISTER (ADDRESS FDH)

R-1

R-0

R-1

R-0

PID<7:0>

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-0

PID<7:0>: Product ID for the UCS2113

MANUFACTURER ID REGISTER (ADDRESS FEH)

R-0

R-1

R-0

R-1

R-0

R-1

MID<7:0>

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-0

MID<7:0>: Manufacturer ID for Microchip

UCS2113 数据表(PDF) 51 Page - Microchip Technology

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