VR4102 datasheet(487/701 Pages) NEC

487 / 701 page

CHAPTER 25 HSP (MODEM INTERFACE UNIT)

487

(3) HSPEXTOUT (0x0C00 0022: Index 2, Write)

Bit

D15

D14

D13

D12

D11

D10

Name

Reserved

R/W

WWW

RTCRST

Undefined

Other resets

Undefined

Bit

D6D5

D4D3D2

Name

Reserved

HC0

TELECON

Reserved

MUTE

AFERST

Reserved

OFFHOOK

R/W

WWW

RTCRST

Undefined

Other resets

Undefined

Bit

Name

Function

D[15:7]

Reserved

Write 0 when writing.

D[6]

HC0

Select CODEC mode

This bit is connected to the HC0 pin.

1 : High-level signal output

0 : Low-level signal output

D[5]

TELECON

Hand set relay control

This bit is connected to the TELECON pin.

1 : High-level signal output

0 : Low-level signal output

D[4]

Reserved

Write 0 when writing.

D[3]

MUTE

Mute speaker

This bit is connected to the MUTE pin.

1 : High-level signal output

0 : Low-level signal output

D[2]

AFERST

CODEC reset

This bit is connected to the AFERST# pin.

1 : High-level signal output

0 : Low-level signal output

D[1]

Reserved

Write 0 when writing.

D[0]

OFFHOOK

OFF HOOK relay control

This bit is connected to the OFFHOOK pin.

1 : High-level signal output

0 : Low-level signal output

This register is used to set output values of various signals when the INDEX number is 2.

VR4102 Datasheet(PDF) 487 Page - NEC

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