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SCC2681T Datasheet(PDF) 3 Page - NXP Semiconductors |
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SCC2681T Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 15 page Philips Semiconductors Product data SCC2681T Dual asynchronous receiver/transmitter (DUART) 2004 Apr 06 3 BLOCK DIAGRAM 8 D0–D7 RDN WRN CEN A0–A3 RESET INTRN X1/CLK X2 4 BUS BUFFER OPERATION CONTROL ADDRESS DECODE R/W CONTROL INTERRUPT CONTROL IMR ISR TIMING BAUD RATE GENERATOR CLOCK SELECTORS COUNTER/ TIMER XTAL OSC CSRA CSRB ACR CTLR CHANNEL A TRANSMIT HOLDING REG TRANSMIT SHIFT REGISTER RECEIVE HOLDING REG (3) RECEIVE SHIFT REGISTER MRA1, 2 CRA SRA INPUT PORT CHANGE OF STATE DETECTORS (4) OUTPUT PORT FUNCTION SELECT LOGIC OPCR TxDA RxDA IP0-IP6 OP0-OP7 VCC GND CHANNEL B (AS ABOVE) IPCR ACR OPR CTLR U RxDB TxDB 8 7 SD00099 Figure 1. Block Diagram NOTE: Refer to SCC2681 for functional description. |
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