UCS81003 datasheet(66/108 Pages) MICROCHIP

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UCS81003

DS20005334A-page 66

 2014 Microchip Technology Inc.

10.12 Preloaded Emulation

Configuration Registers

The Preloaded Emulation Configuration registers store

the settings loaded from internal memory as required

for the preloaded charger emulation profile that is

actively being applied. These registers are read only.

The Legacy charger emulation profiles, the BC1.2 SDP,

and the BC1.2 DCP charger emulation profile do not

use the Stimulus 3 Configuration registers (39h - 3Bh).

Whenever

these charger

emulation profiles

are

applied, registers 39h - 3Bh will not be updated and

their contents should be ignored.

Whenever a Legacy charger emulation profile is

applied within the DCE Cycle, these controls will not be

updated and should be ignored. These settings are

only used by the BC1.2 CDP and BC1.2 DCP charger

emulation profiles.

The contents of registers 31h, 35 and 39h are not

retained in Sleep. They are updated as needed.

The contents of registers 32h, 33h, 34h, 36h, 37h, 38h,

3Ah, 3Bh, 40h are retained in Sleep.

10.12.1

APPLIED CHARGER EMULATION

The contents of this register are not retained in Sleep.

The contents are updated as the charger emulation

profile being applied changes.

U-x

R/W-0

R/W-1

—

L5EM_TO<1:0>

L6EM_TO<1:0>

L7EM_TO<1:0>

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 7-6

Unimplemented

bit 5-4

L5EM_TO<1:0>: Defines the tEM_TIMEOUT setting, as shown below. Is applied when the Legacy 5 charger emulation

profile is used during the DCE Cycle.

= 0.8s

= 1.6s

6.4s

= 12.8s

bit 3-2

L6EM_TOV<1:0>: Defines the tEM_TIMEOUT setting, as shown below. Is applied when the Legacy 6 charger

emulation profile is used during the DCE Cycle.

= 0.8s

= 1.6s

6.4s

= 12.8s

bit 1-0

L7EM_TO<1:0>: Defines the tEM_TIMEOUT setting, as shown below. Is applied when the Legacy 7 charger emulation

profile is used during the DCE Cycle.

= 0.8s

= 1.6s

6.4s

= 12.8s

Name

Bits

Address

Cof

Default

Applied Charger Emulation

30h

00h

Preloaded Emulation

Stimulus 1 - Config 1

31h

00h

Preloaded Emulation

Stimulus 1 - Config 2

32h

26h

Preloaded Emulation

Stimulus 1 - Config 3

33h

00h

Preloaded Emulation

Stimulus 1 - Config 4

34h

02h

Preloaded Emulation

Stimulus 2 - Config 1

35h

00h

Preloaded Emulation

Stimulus 2 - Config 2

36h

09h

Preloaded Emulation

Stimulus 2 - Config 3

37h

00h

Preloaded Emulation

Stimulus 2 - Config 4

38h

04h

Preloaded Emulation

Stimulus 3 - Config 1

39h

00h

Preloaded Emulation

Stimulus 3 - Config 2

3Ah

00h

Preloaded Emulation

Stimulus 3 - Config 3

3Bh

00h

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