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RC56LD Datasheet(PDF) 13 Page - Synaptics Incorporated.

Part # RC56LD
Description  Integrated V.90/K56flex/V.34/V.32bis Modem Device Sets for Low Power Applications
PDF  22 Pages
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Manufacturer  CONEXANT [Synaptics Incorporated.]
Direct Link  https://www.synaptics.com/
Logo CONEXANT - Synaptics Incorporated.

RC56LD Datasheet(HTML) 13 Page - Synaptics Incorporated.

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MD213
Conexant
13
MICRO
CONTROLLER
UNIT
(MCU)
1156F3-2 IF Par
MODEM
DATA
PUMP
(MDP)
RS0-RS4
EXTERNAL
BUS
RIN*
TXA1*
TXA2*
MICM
SPKMD
TELIN (SP Models)
TELOUT (SP Models)
MICV (SP Models)
SPK
~EXTOH (Firmware option, instead of DAA/CEL)
CELDATA**
~CELBSY**
CELCLK**
DAA/CEL (Firmware option, instead of ~EXTOH)
~RLY1 (~OH)*/CTRL0**
~RLY2 (~VOICE)*/CTRL1**
~RLY3 (~MUTE)*
~RLY4 (~CALLID)*
LCS*
RINGD*
~READ
~WRITE
A0-A18****
D0-D7
~ROMSEL
~RAMSEL
~READ
~WRITE
A0-A4
D0-D7
CELLULAR
PHONE/
TELEPHONE
LINE
TELEPHONE
HANDSET
MICROPHONE
CELLULAR
PHONE/
TELEPHONE/
TELEPHONE
LINE/
TELEPHONE
HANDSET/
TELEPHONY
EXTENSIONS/
AUDIO
INTERFACE
CIRCUIT
HEADPHONE/
SPEAKER
~RESET
RES1
RES2
MCU
CRYSTAL
XTLI
XTLO
NVMDATA
NVMCLK
NVRAM
(OPTIONAL)
PARALLEL
HOST
BUS
INTERFACE
HD0-HD7
HA0-HA2
~HCS
~HWT
~HRD
HINT
~RES
~RESET
~RESET
VDD
AVDD
VAA
DGND, AGND
+3.3V
+3.3V
+3.3V
VDD
+3.3V
DGND
NOTES
*
WIRELINE INTERFACE
**
ANALOG CELLULAR INTERFACE
*** GSM INTERFACE
**** A18/~SCPSEL IS A18 WHEN A 4M ROM IS INSTALLED
FOR GSM OR IS ~SCPSEL WHEN THE RCDSVD SCP IS
INSTALLED FOR ON-BOARD DSVD.
DAA/GSM
CTRL0***
GSMINP0***
GSMRXD***
RXDCLK***
GSMTXD***
TXDCLK***
GSM
PHONE
INTERFACE
CLKIN
IRQ
~CS
CLKOUT
DPIRQ
~DPSEL
A0-A16
D0-D7
~READ
~WRITE
~RAMSEL
A0-A18****
D0-D7
~READ
~WRITE
~ROMSEL
RCDSVD
SCP
(R6715)
~RESET
~CS
~IRQ1
A0-A4
D0-D7
~READ
~WRITE
MICIN
SPKP
LINEIN
LINEOUT
~WKRESOUT
~SCPSEL****
~SCPIRQ
DGND, AGND
VDD
AVDD
VAA
+5V
+5V
+5V
~WKRES
XTLI
XCLK
PARIF
NC
ROM/FLASH ROM
2M (256K X 8) [RC56 w/o GSM]
4M (512K X 8) [RC56 or RC336 w/ GSM]
1M (128K x 8) [RC336 w/o GSM or RC144]
RAM
1M (128K X 8) [RC56]
None (Use internal RAM [RC336 or RC144]
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