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RC56D-USB Datasheet(PDF) 3 Page - Synaptics Incorporated. |
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RC56D-USB Datasheet(HTML) 3 Page - Synaptics Incorporated. |
3 / 14 page ,QWHJUDWHG9.IOH[0RGHP'HYLFH6HWVZLWK86%,QWHUIDFH 5&'86% 0' System Architecture Hardware Interface A system block diagram is shown in Figure 1. The major interface signals are shown in Figure 2. MD234F1 BD TELEPHONE LINE/ TELEPHONE HANDSET/ AUDIO INTERFACE CIRCUIT TELEPHONE LINE TEL HANDSET MICROPHONE HEADPHONE/ SPEAKER MODEM DEVICE SET MICRO CONTROLLER UNIT (MCU) [80-PIN PQFP] (L2800) MODEM DATA PUMP (MDP) [100-PIN PQFP] (R6764) USB CONTROLLER UNIT (UCU) [68-PIN PLCC] (R8292/ 80931AA) 1M (128K x 8) RAM 2M (256K x 8) ROM/FLASH ROM 32K x 8 ROM USB INTERFACE Figure 1. Block Diagram MICRO CONTROLLER UNIT (MCU) MD234F2 IF MODEM DATA PUMP (MDP) RS0-RS4 ~CS EXTERNAL BUS RIN TXA1 TXA2 TELIN* TELOUT* SPKM MICV* MICM** ~RINGWAKE ~RLY1 (~OH) ~RLY2 (~VOICE) ~RLY3 (~MUTE) ~RLY4 (~CALLID) ~EXTOH LCS RINGD VD3.3 CLKOUT ~WKRESOUT DPIRQ ~READ ~WRITE A0-A17 D0-D7 ~DPSEL ~ROMSEL ~RAMSEL ~READ ~WRITE A0-A4 D0-D7 ~DPSEL TELEPHONE LINE TELEPHONE HANDSET MICROPHONE TELEPHONE LINE/ TELEPHONE HANDSET/ AUDIO INTERFACE CIRCUIT HEADPHONE/ SPEAKER ~RES1 ~RES2 2M (256K X 8) ROM/ FLASH ROM A0-A16 D0-D7 ~READ ~WRITE ~RAMSEL 1M (128K X 8) RAM A0-A17 D0-D7 ~READ ~WRITE ~ROMSEL VGG AVDD VAA DGND, AGND SVCC (+5V) SVCC (+5V) SVCC (+5V) VCC ~RESET A0-A2 D0-D7 A0-A15 D0-D7 32K X 8 ROM USB CONTROLLER UNIT (UCU) USB A0-A15 D0-D7 ~READ D+ D- VDD SVCC (+5V) DGND CRYSTAL CIRCUIT XTAL1 XTAL2 SVCC VDD CLKIN ~WKRES IRQ CRYSTAL CIRCUIT XTLI XTLO * SP MODEL. ** NON-SP MODEL. Figure 2. Hardware Interface Signals |
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Similar Description - RC56D-USB |
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