SC2200 datasheet(73/433 Pages) NSC

номер детали	SC2200

подробное описание детали	Thin Client On a Chip

PDF	433 Pages

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производитель	NSC [National Semiconductor (TI)]

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Revision 3.0

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Signal Definitions (Continued)

2.4.14 AC97 Audio Interface Signals

Signal Name

Ball No.

Type

Description

Mux

EBGA

TEPBGA

BIT_CLK

AL14

U30

Audio Bit Clock. The serial bit clock from

the codec.

Note:

If selected as BIT_CLK function but

not used, tie BIT_CLK low.

F_TRDY#

SDATA_OUT

AK13

P29

Serial Data Output. This output transmits

audio serial data to the codec.

TFT_PRSNT (Strap)

SDATA_IN

AK14

U31

Serial Data Input. This input receives serial

data from the primary codec.

Note:

If selected as SDATA_IN function but

not used, tie SDATA_IN low.

F_GNT0#

SDATA_IN2

H31

AL8

Serial Data Input 2. This input receives

serial data from the secondary codec. This

signal has wakeup capability.

---

SYNC

AL13

P30

Serial Bus Synchronization. This bit is

asserted to synchronize the transfer of data

between the SC2200 and the AC97 codec.

CLKSEL3 (Strap)

AC97_CLK

AJ14

P31

Codec Clock. It is twice the frequency of the

Audio Bit Clock.

---

AC97_RST#

AJ15

U29

Codec Reset. S3 to S5 wakeup is not sup-

ported because AC97_RST# is powered by

VIO. If wakeup from states S3 to S5 are

needed, a circuit in the system board should

be used to reset the AC97 codec.

F_STOP#

PC_BEEP

AL15

V31

PC Beep. Legacy PC/AT speaker output.

GPIO16+

F_DEVSEL#

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