SC26C198C1A PHILIPS [NXP Semiconductors], SC26C198C1A Datasheet
SC26C198C1A
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SC26C198C1A Summary of contents
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table of Contents Description . . . . . . . . . . . . . . . . . . . . . . . ...
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... TTL input levels. Outputs switch between full V High speed CMOS technology 68 pin PLCC 10% CC Commercial Commercial Industrial Industrial + + + +85 C SC26C198C1A SC26C198A1A SC68C198C1A SC68C198A1A V = 3.3V 10% CC Commercial Industrial + +85 C SC26L198C1A SC26L198A1A SC68L198C1A ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages PIN CONFIGURATIONS PINOUT Pin Function CEN 4 W_RN DACKN 9 I/O0a 10 I/O1a ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Pin Description MNEMONIC TYPE SClk I Host system clock. Used to time operations in the Host Interface and clock internal logic. Must be greater than twice the ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages BLOCK DIAGRAM INPUT BUFFERS AND OUTPUT DRIVERS As shown in the block diagram, the Octal UART consists of: an interrupt arbiter, host interface, timing blocks and eight ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Timing Circuits The timing block consists of a crystal oscillator, a fixed baud rate generator (BRG), a pair of programmable 16 bit register based counters. A buffer ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages initiate any of the automatic sequences or and/or an interrupt that may have enabled via the MR0 register. The characters of the recognition system are not controlled ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages loaded into the TxFIFO while the transmitter is disabled, hence it is necessary to enable the transmitter and then load the TxFIFO not possible to ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages overrun error, and change of break. The first three are appended to each byte and stored in the RxFIFO. The last two are not necessarily related to ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages 38.4 KHz baud rate and will signal a change when a transition has been stable for two rising edges of this clock. Thus a level on the ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages every 22 Sclk cycles. New arbitration values presented to the arbitration block during an arbitration cycle will be evaluated in the next arbitration cycle. For sources other ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table 1. Interrupt Arbitration Priority Type B9 Receiver w/o error RxFIFO Byte Count –1 Receiver w/ error RxFIFO Byte Count –1 Transmitter 0 Change of Break Programmed ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages The remote loop back mode (also used for diagnostic purposes) is similar to auto echo except that the characters are not sent to the local CPU, nor ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages While in this mode, the receiver continuously looks at the received data stream, whether it is enabled or disabled. If disabled, it sets the RxRDY status bit ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages activity of the Xon/Xoff logic is initiated by commands to the CRx command forces the transmitter to disable exactly as though an Xoff character had been received ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages REGISTER DEFINITIONS The operation of the Octal UART is programmed by writing control words into the appropriate registers. Operational feedback is provided via status registers which can ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages * If these bits are not 0 the characters will be stripped regardless of bits (3:2) or (1:0) MR0[7:6] – Control the handling of recognized Xon/Xoff or ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages MR2[7:6] – Mode Select The Octal UART can operate in one of four modes: MR2[7:6] = b’00 is the normal mode, with the transmitter and receiver operating ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table 7. Data Clock Mux CCLK maximum rate is 8MHz. Data clock rates will follow exactly the ratio of CCLK to 3.6864MHz. Clock selection, Clock Select Code ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages 01101 Block error status mode. Upon reset of the device or an individual receiver, the block mode of receiver error status accumulates as each character moves to ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table 9. Command Register Code Commands x’12, x13, x’14, x’15, x’1f (marked with*) are global and exist only in channel A’s register space. Channel Command Channel Code ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages SR[0] – Receiver Ready (RxRDY) This bit indicates that a character has been received and is waiting in the RxFIFO to be read by the CPU. It ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages IMR[7] – Controls if a change of state in the inputs equipped with input change detectors will cause an interrupt. IMR[6] – Controls the generation of an ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table 22. XISR – Xon–Xoff Interrupt Status Register Bits 7:6 Received X Character Automatic X Character Status transmission status 00 – none 00 – none 01 – ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages interrupt generation for details on how the various interrupt source bid values are calculated. Note: While a watch-dog Timer interrupt is pending, the ICR is not used ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table 33. Global Interrupting Type Register Bit 7:6 Receiver Interrupt Transmitter Interrupt 0x – not receiver 0 – not transmitter 10 – with receive errors 1 – ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages clocking mechanism that will allow the pin to change synchronously with an internal or external stimulus. See diagram below. Table 39. GPOSR – General Purpose Output Select ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages REGISTER MAPS The registers of the SC26C198 are partitioned into two groups: those used in controlling data channels and those used in handling the actual data flow ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table 44. Summary Register Map, Data Address (hex) ccc = Channel 1ccc 0000 (x80) Mode Register 2 1ccc 0001 (x81) Status Register 1ccc 0001 (x81) Command Register ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages A(7:0) A(7:0) 0001 0000 (x10) Mode Register 0 MR0b 0001 0001 (x11) Mode Register 1 MR1b 0001 0010 (x12) I/O Port Configuration Reg b I/OPCRb 0001 0011 ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages A(7:0) A(7:0) 0011 0000 (x30) Mode Register 0 MR0d 0011 0001 (x31) Mode Register 1 MR1d 0011 0010 (x32) I/O Port Configuration Reg d I/OPCRd 0011 0011 ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages 01010000 (x50) Mode Register 0 MR0f 01010001 (x51) Mode Register 1 MR1f 01010010 (x52) I/OPort Configuration Reg f I/OPCRf 01010011 (x53) 01010100 (x54) 01010101 (x55) 01010110 (x56) ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages 01110000 (x70) Mode Register 0 MR0h 01110001 (x71) Mode Register 1 MR1h 01110010 (x72) I/OPort Configuration Reg h I/OPCRh 01110011 (x73) 01110100 (x74) 01110101 (x75) 01110110 (x76) ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Table 46. Register Map, Data A(7:0) A(7:0) 1000 0000 (x80) Mode Register a (MR2a) 1000 0001 (x81) Status Register a (SRa) 1000 0010 (x82) Interrupt Status Register ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages A(7:0) A(7:0) 1010 0000 (xA0) Mode Register c (MR2c) 1010 0001 (xA1) Status Register c (SRc) 1010 0010 (xA2) Interrupt Status Register c (ISRc) 1010 0011 (xA3) ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages A(7:0) 11000000 (xC0) Mode Register e (MR2e) 11000001 (xC1) Status Register e (SRe) 11000010 (xC2) Interrupt Status Register e (ISRe) 11000011 (xC3) Receiver FIFO Reg e (RxFIFOe) ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages A(7:0) 11100000 (xE0) Mode Register g (MR2g) 11100001 (xE1) Status Register g (SRg) 11100010 (xE2) Interrupt Status Register g (ISRg) 11100011 (xE3) Receiver FIFO Reg g (RxFIFOg) ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages Limitations: Minimum RESETN pin pulse width is 10 SClk cycles after Vcc reaches operational range DC ELECTRICAL SPECIFICATIONS (26C198 and 68C198 5.0V 10 ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages AC ELECTRICAL CHARACTERISTICS SYMBOL SYMBOL FIGURE FIGURE RESET TIMING t RESET pulse width RES BUS TIMING t A0-A7 setup time before Sclk C3 rising edge AS t ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages AC ELECTRICAL CHARACTERISTICS (26C198 and 68C198) SYMBOL SYMBOL FIGURE FIGURE COMMUNICATION CRYSTAL CLOCK Fx1 X1 clock frequency Low / ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages DC ELECTRICAL SPECIFICATIONS (26L198 and 68L198 3 SYMBOL SYMBOL PARAMETER PARAMETER V Input low voltage IL Input high ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages AC ELECTRICAL CHARACTERISTICS SYMBOL SYMBOL FIGURE FIGURE RESET TIMING t RESET pulse width RES BUS TIMING t A0-A7 setup time before Sclk C3 rising edge AS t ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages AC ELECTRICAL CHARACTERISTICS SYMBOL SYMBOL FIGURE FIGURE COMMUNICATION CRYSTAL CLOCK Fx1 X1 clock frequency Low / High time T/RFx1 ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages C1 SCLK CEN W_RN ADDRESS INVALID DATA DACKN SCLK CEN W_RN ADDRESS INVALID DATA DACKN 1995 May RWH VALID INVALID ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages C1 SCLK CEN W_RN ADDRESS INVALID DATA DACKN SCLK CEN W_RN ADDRESS INVALID DATA DACKN 1995 May RWH VALID INVALID ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages C1 SCLK IACKN CEN W_RN INVALID ADDRESS DATA DACKN t CS NOTE: CEN must not be active during an IACKN cycle. If CEN is active, IACKN will ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages T/RF T/RF Figure 9. Counter/Timer Baud Rate Clock, External 1X DATA CLOCK Note: CEN must not be active during an IACKN cycle. If CEN is active IACKN ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages INDEX Numbers 1x and 16x modes, Receiver, 342 1x and 16x modes, Transmitter, 342 A Address Recognition Character Register, 357 ARCR, 357 Asynchronous bus cycle, 339 B ...
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Philips Semiconductors Octal UART with TTL compatibility at 3.3V and 5V supply voltages T Timing Circuits, 340 Transmitter, 341 Transmitter FIFO, 342, 357 Tx, Status Bits , 341 TxCSR , 352 TxEMT, 341 TxFIFO, 357 TxRDY, 341 U UCIR, 359 ...