73K324BL-IH データシートの表示（PDF） - TDK Corporation

部品番号

コンポーネント説明

メーカー

73K324BL-IH

V.22, V.21, Bell 212A, Bell 103 Single-Chip Modem with Integrated Hybrid

TDK Corporation 

73K222BL

V.22, V.21, Bell 212A, Bell 103

Single-Chip Modem with Integrated Hybrid

TONE REGISTER (continued)

D7

D6

TR

RXD TRANSMIT

011 OUTPUT GUARD

CONTR.

TONE

BIT NO.

NAME

D6

Transmit

Guard Tone

D7

RXD Output

Control

ID REGISTER

D5

D4

D3

D2

D1

D0

TRANSMIT

ANSWER

TONE

TRANSMIT

DTMF

DTMF 3

DTMF 2

DTMF 1/

OVER-

SPEED

DTMF 0/

ANSWER/

GUARD

CONDITION DESCRIPTION

0

Disables guard tone generator.

1

Enables guard tone generator (See D0 for selection of

guard tones).

0

Enables RXD pin. Receive data will be output on

RXD.

1

Disables RXD pin. The RXD pin reverts to a high

impedance with internal weak pull-up resistor.

ID

D7

D6

D5

D4

D3

D2

D1

D0

110

1

0

X

OH

X

X

X

X

BIT NO.

NAME

CONDITION DESCRIPTION

D7, D6

D5, D4

D4

DEVICE ID

OH

D7 D6 D5 D4

0 0 XX

0 1 XX

1 0 XX

1 1 00

1 1 10

1 1 00

1 1 10

0

Indicates device type.

73K212AL, 73K321L or 73K322L

73K221AL or 73K302L

73K222AL, 73K222BL

73K224AL

73K324L

73K224BL

73K324BL

Relay driver open

1

Open drain driver pulling low.

D5, D3-D1

Not Used

NA

Mask in firmware.

14

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