SCC2692AE1A44,512 NXP Semiconductors, SCC2692AE1A44,512 Datasheet
SCC2692AE1A44,512
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SCC2692AE1A44,512 Summary of contents
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SCC2692 Dual asynchronous receiver/transmitter (DUART) Product specification Supersedes data of 1998 Feb 19 IC19 Data Handbook Philips Semiconductors INTEGRATED CIRCUITS 1998 Sep 04 ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) DESCRIPTION The Philips Semiconductors SCC2692 Dual Universal Asynchronous Receiver/Transmitter (DUART) which is compatible with the SCN2681 single-chip CMOS-LSI communications device that provides two full-duplex asynchronous receiver/transmitter channels in a single package. ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART IP3 2 39 IP4 IP5 A0 1 IP1 4 37 IP6 IP2 CEN A3 4 IP0 ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) BLOCK DIAGRAM 8 D0–D7 BUS BUFFER OPERATION CONTROL RDN WRN ADDRESS DECODE CEN 4 A0–A3 R/W CONTROL RESET INTERRUPT CONTROL INTRN IMR ISR TIMING BAUD RATE GENERATOR CLOCK SELECTORS COUNTER/ TIMER X1/CLK XTAL OSC ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) PIN DESCRIPTION APPLICABLE SYMBOL TYPE SYMBOL TYPE 40,44 28 D0- I/O Data Bus: Bidirectional 3-State data bus used to transfer commands, data and status between the DUART and the CPU ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) DC ELECTRICAL CHARACTERISTICS SYM- PARAMETER PARAMETER BOL V Input low voltage IL V Input high voltage (except X1/CLK Input high voltage (except X1/CLK Input high voltage (X1/CLK Output ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) AC CHARACTERISTICS (Continued) SYMBOL SYMBOL 5 Port Timing (See Figure 5) Port input setup time before RDN Low Port input hold time after RDN High output valid from ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) BLOCK DIAGRAM The SCC2692 DUART consists of the following eight major sections: data bus buffer, operation control, interrupt control, timing, communications Channels A and B, input port and output port. Refer to the Block ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) conditions of the UART. When this 8-bit port is used as a general purpose output, the pins so defined will assume the compliment of the associated bit in the Output Port Register (OPR). OPR(n) ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) mode reading the SR does not affect the FIFO. The FIFO is ‘popped’ only when the RHR is read. Therefore the status register should be read prior to reading the FIFO. If the FIFO ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) Table 1. SCC2692 Register Addressing ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) Table 2. Register Bit Formats (Continued) BIT 7 BIT 6 RECEIVED FRAMING SRA BREAK* ERROR* SRB SRB Yes 1 = Yes NOTE: *These status bits are ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) PROGRAMMING The operation of the DUART is programmed by writing control words into the appropriate registers. Operational feedback is provided via status registers which can be read by the CPU. The addressing of the ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) 1. Received data is re-clocked and retransmitted on the TxDA out- put. 2. The receive clock is used for the transmitter. 3. Received data is not sent to the local CPU, and the error ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) MR1B – Channel B Mode Register 1 MR1B is accessed when the Channel B MR pointer points to MR1. The pointer is set to MR1 by RESET ‘set pointer’ command applied ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) 1110 Power Down Mode On. In this mode, the DUART oscillator is stopped and all functions requiring this clock are suspended. The execution of commands other than disable power down mode (1111) requires a ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) OPCR – Output Port Configuration Register OPCR[7] – OP7 Output Select This bit programs the OP7 output to provide one of the following: 0 The complement of OPR[7]. 1 The Channel B transmitter interrupt ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) Table 5. ACR 6:4 Field Definition ACR MODE CLOCK SOURCE 6:4 000 Counter External (IP2) TxCA – 1X clock of Channel A 001 Counter transmitter TxCB – 1X clock of Channel B 010 Counter ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) data clock. The formula for calculating the divisor n to load to the CTUR and CTLR for a particular 1X data clock is shown below: counter clock frequency ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) A0– CEN t CS RDN D0–D7 FLOAT (READ WDN D0–D7 (WRITE) RDN IP0–IP6 (a) INPUT PINS WRN OP0–OP7 (b) OUTPUT PINS 1998 Sep ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) WRN INTERRUPT OUTPUT RDN INTERRUPT OUTPUT NOTES: 1. INTRN or OP3-OP7 when used as interrupt outputs. 2. The test for open-drain outputs is intended to guarantee switching of the output transistor. Measurement of this ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) TxC (INPUT) TxD TxC (1X OUTPUT) RxC (1X INPUT) RxD TxD D1 TRANSMITTER ENABLED TxRDY (SR2) WRN CTSN (IP0) 2 RTSN (OP0) OPR( NOTES: 1. Timing shown for MR2(4) ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) D1 RxD RECEIVER ENABLED RxRDY (SR0) FFULL (SR1) RxRDY/ FFULL 2 (OP5) RDN STATUS DATA D1 OVERRUN (SR4) 1 RTS (OP0) OPR( NOTES: 1. Timing shown for MR1( Shown ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) 2.7K INTRN 50pF D0–D7 TxDA/B OP0–OP7 150pF Figure 13. Test Conditions on Outputs Output Port Notes The output ports are controlled from four places: the OPCR register, the OPR register, the MR registers and ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) A condition that occurs infrequently has been observed where the receiver will ignore all data caused by a corruption of the start bit generally due to noise. When this occurs the receiver ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) DIP40: plastic dual in-line package; 40 leads (600 mil) 1998 Sep 04 26 Product specification SCC2692 SOT129-1 ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) DIP28: plastic dual in-line package; 28 leads (600 mil) 1998 Sep 04 27 Product specification SCC2692 SOT117-1 ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) PLCC44: plastic leaded chip carrier; 44 leads 1998 Sep 04 28 Product specification SCC2692 SOT187-2 ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) QFP44: plastic quad flat package; 44 leads (lead length 1.3 mm); body 1.75 mm 1998 Sep 04 29 Product specification SCC2692 SOT307-2 ...
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Philips Semiconductors Dual asynchronous receiver/transmitter (DUART) Data sheet status Data sheet Product Definition status status Objective Development This data sheet contains the design target or goal specifications for product development. specification Specification may change in any manner without notice. Preliminary ...