SCC2691AC1A28 NXP Semiconductors, SCC2691AC1A28 Datasheet
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SCC2691AC1A28
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SCC2691 Universal asynchronous receiver/transmitter (UART) Product data sheet Supersedes data of 1998 Sep 04 INTEGRATED CIRCUITS 2006 Aug 04 ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) DESCRIPTION The Philips Semiconductors SCC2691 Universal Asynchronous Receiver/Transmitter (UART single-chip CMOS-LSI communications device that provides a full-duplex asynchronous receiver/transmitter fabricated with Philips Semiconductors CMOS technology which combines the benefits of ...
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... OSCILLATOR POWER DOWN LOGIC X1/CLK CSR ACR X2 CTUR CTLR 2006 Aug 04 COMMERCIAL V = +5V +10 + SCC2691AC1N24 SCC2691AE1N24 SCC2691AC1A28 SCC2691AE1A28 SCC2691AC1D24 INTERNAL DATA BUS CHANNEL A TRANSMIT HOLDING REG TRANSMIT SHIFT REGISTER RECEIVE CONTROL HOLDING REG (3) RECEIVE SHIFT REGISTER MR1 TIMING INPUT PIN CHANGE OF STATE ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) PIN DESCRIPTION PIN NO. MNEMONIC MNEMONIC TYPE TYPE DIP PLCC D0–D7 22–15 27, 25, I 24, 22–18 CEN WRN RDN A0–A2 8–6 11–9 I RESET ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) 1 ABSOLUTE MAXIMUM RATINGS SYMBOL T Operating ambient temperature range A T Storage temperature range STG V Voltage from V to GND Voltage from any pin to ground S P Power ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) AC ELECTRICAL CHARACTERISTICS SYMBOL SYMBOL PARAMETER PARAMETER Reset timing (Figure 3) t Reset pulse width RES 5 Bus timing (Figure 4) t A0–A2 setup time to RDN, WRN low AS t A0–A2 hold time ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) BLOCK DIAGRAM As shown in the block diagram, the UART consists of: data bus buffer, interrupt control, operation control, timing, receiver and transmitter. Data Bus Buffer The data bus buffer provides the interface between ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) values of CTUR and CTLR at any time, but the new count becomes effective only on the next start counter command following a stop counter command. If new values have not been loaded, the ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) In addition to the normal transmitter and receiver operation described above, the UART incorporates a special mode which provides automatic wake-up of the receiver through address frame recognition for multi-processor communications. This mode is ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) parity mode is programmed. In the special wake-up mode, it selects the polarity of the transmitted A/D bit. MR1[1:0] – Bits Per Character Select This field selects the number of data bits per character ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) Table 2. Register Bit Formats Bit 7 Bit 6 Bit 5 MR1 (Mode Register 1) RxRTS Control RxINT Select Error Mode RxRDY 0 = Char 1 = yes 1 ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) Table 2. Register Bit Formats (Continued) CTUR (Counter/Timer Upper Register) C/T[15] C/T[14] C/T[13] Bit 7 Bit 6 Bit 5 CTLR (Counter/Timer Lower Register) C/T[7] C/T[6] C/T[5] CSR – Clock Select Register (see Table 6. ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) CR[1] – Disable Receiver This command terminates operation of the receiver immediately; a character being received will be lost. The command has no effect on the receiver status bits or any other control registers. ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) to placing the SCC2691 in this mode. Note that this bit must be set to a logic 1 after reset. When the power-down mode is enabled, internal circuitry forces the X1/CLK pin to the ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) IMR – Interrupt Mask Register The programming of this register selects which bits in the ISR cause an interrupt output bit in the ISR is a ‘1’ and the corresponding bit in ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) RDN MPI WRN MPO WRN 1 INTERRUPT OUTPUT RDN 1 INTERRUPT OUTPUT NOTES: 1. INTRN or MPO when used as interrupt outputs. 2. The test for open drain outputs is ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) TxC (INPUT) TxD TxC (1X OUTPUT) RxC (1X INPUT) RxD 2006 Aug 04 1 BIT TIME ( CLOCKS) t TXD t TCS SD00092 Figure 8. Transmit Timing t t RXS RXH SD00093 ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) TxD D1 TRANS- MITTER ENABLED TxRDY (SR2) WRN CTSN (MPI) 2 RTSN (MPO) CR[7:4] = 1010 NOTES: 1. TIMING SHOWN FOR MR2[ TIMING SHOWN FOR MR2[ ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) MASTER STATION BIT 9 ADD#1 1 TxD TRANSMITTER ENABLED TxRDY (SR2) CSN (WRITE] MR1[4: ADD#1 MR1[ MR1[ PERIPHERAL STATION BIT 9 RxD 0 ADD#1 RECEIVER ENABLED RxRDY ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) Table 6. Baud Rates Extended CSR[7:4] ACR[ 0000 50 0001 110 0010 134.5 0011 200 0100 300 0101 600 0110 1,200 0111 1,050 1000 2,400 1001 4,800 1010 7,200 1011 9,600 1100 ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) DIP24: plastic dual in-line package; 24 leads (300 mil) 2006 Aug 04 21 Product data sheet SCC2691 SOT222-1 ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) SO24: plastic small outline package; 24 leads; body width 7.5 mm 2006 Aug 04 22 Product data sheet SCC2691 SOT137-1 ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) PLCC28: plastic leaded chip carrier; 28 leads 2006 Aug 04 23 Product data sheet SCC2691 SOT261-2 ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) REVISION HISTORY Rev Date Description _3 20060804 Product data sheet (9397 750 14951). Supersedes data of 1998 Sep 04 (9397 750 04358). Modifications: Ordering information: changed Version for PLCC28 from SOT261–3 to SOT261–2 Changed ...
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Philips Semiconductors Universal asynchronous receiver/transmitter (UART) Legal Information Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualification Product [short] data sheet Production [1] Please consult the most recently issued document before ...