FM209 데이터 시트보기 (PDF) - Conexant Systems

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FM209

9600/14400 bps MONOFAX Modem Family

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HOST

Processor

(DTE)

USART

(Optional)

TXD

RXD

DCLK

RTS#

CTS#

RLSD#

READ#

WRITE#

DATA BUS

ADDR. BUS

DECODER

CS#

RESET#

IRQ1#

IRQ2#

FM209/214-VS

MONOFAX

MODEM

XTLI

CRYSTAL

XTLO

OffHook

Talk

RINGD

LINEOUT

LINEIN

SPKRP_P

SPKRM_P

SPKRP_S

SPKRM_S

MICP_P

MICM_P

MICP_S

MICM_S

MIC BIAS_P

MIC BIAS_S

EYEXY

EYECLK

EYESYNC

DAA

SPEAKER

DRIVER

MICROPHONE

AMP.

EYE PATTERN

GENERATOR

(Optional)

TELEPHONE

LINE

+5V +3.3V GND

POWER

SUPPLY

Figure 3. Modem Functional Interconnect Diagram (Fax, DTAM, and Speakerphone)

10

MD205

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