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S80L186EB16 Datasheet(PDF) 40 Page - InnovASIC, Inc |
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S80L186EB16 Datasheet(HTML) 40 Page - InnovASIC, Inc |
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40 / 85 page  IA186EB/IA188EB Data Sheet 8-Bit/16-Bit Microcontrollers July 10, 2011 IA211080314-13 http://www.Innovasic.com UNCONTROLLED WHEN PRINTED OR COPIED Customer Support: Page 40 of 85 1-888-824-4184 Table 8. IA188EB Pin/Signal Descriptions (Continued) Signal Pin Description Name PLCC LQFP PQFP rxd0 rxd0 53 40 3 Receive (rx) data, Serial Port 0. Input/Output. This pin is the serial data input for Serial Port 0. During synchronous serial communications, rxd0 is bidirectional and functions an output for data transmission (txd0 becomes the clock). rxd1 p2.0/rxd1 57 44 7 Receive (rx) data, Serial Port 1. Input/Output. This pin is the serial data input for Serial Port 1. During synchronous serial communications, rxd1 is bidirectional and functions an output for data transmission (txd1 becomes the clock). s0_n s0_n 10 79 42 statusN (N = 0 –2). Output. During a bus cycle the status (i.e., type) of cycle is encoded on these lines as follows: s2_n s1_n s0_n Bus Cycle Status 0 0 0 Interrupt Acknowledge 0 0 1 Read I/O 0 1 0 Write I/O 0 1 1 Processor HALT 1 0 0 Queue Instruction Fetch 1 0 1 Read Memory 1 1 0 Write Memory 1 1 1 No Bus Activity s1_n s1_n 9 78 41 s2_n s2_n 8 77 40 sint1 p2.3/sint1 55 42 5 serial interrupt, Serial Port 1. Output. Active High. When sint1 is asserted (high), it indicates that Serial Port 1 requires service. t0in t0in 46 33 76 timer 0 input. Input. Depending on the Timer Mode programmed for Timer 0, this input is used either as clock input or a control signal. t0out t0out 45 32 75 timer 0 output. Output. Depending on the Timer Mode programmed for Timer 0, this output can provide a single clock or a continuous waveform. t1in t1in 48 35 78 timer 1 input. Input. Depending on the Timer Mode programmed for Timer 1, this input is used either as clock input or a control signal. t1out t1out 47 34 77 timer 1 output. Output. Depending on the Timer Mode programmed for Timer 1, this output can provide a single clock or a continuous waveform. |
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