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XC164S-8F Datasheet(PDF) 11 Page - Infineon Technologies AG |
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XC164S-8F Datasheet(HTML) 11 Page - Infineon Technologies AG |
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11 / 77 page  XC164S Derivatives General Device Information Data Sheet 9 V1.2, 2006-08 Table 2 Pin Definitions and Functions Symbol Pin Num. Input Outp. Function RSTIN 1 I Reset Input with Schmitt-Trigger characteristics. A low level at this pin while the oscillator is running resets the XC164S. A spike filter suppresses input pulses < 10 ns. Input pulses > 100 ns safely pass the filter. The minimum duration for a safe recognition should be 100 ns + 2 CPU clock cycles. Note: The reset duration must be sufficient to let the hardware configuration signals settle. External circuitry must guarantee low level at the RSTIN pin at least until both power supply voltages have reached the operating range. P20.12 2 IO For details, please refer to the description of P20. NMI 3 I Non-Maskable Interrupt Input. A high to low transition at this pin causes the CPU to vector to the NMI trap routine. When the PWRDN (power down) instruction is executed, the NMI pin must be low in order to force the XC164S into power down mode. If NMI is high, when PWRDN is executed, the part will continue to run in normal mode. If not used, pin NMI should be pulled high externally. P0H.0- P0H.3 4…7 IO For details, please refer to the description of PORT0. P9 P9.0 P9.1 P9.2 P9.3 P9.4 P9.5 10 11 12 13 14 15 IO I/O I I/O I I/O I I/O I I/O I/O Port 9 is a 6-bit bidirectional I/O port. Each pin can be programmed for input (output driver in high-impedance state) or output (configurable as push/pull or open drain driver). The input threshold of Port 9 is selectable (standard or special). The following Port 9 pins also serve for alternate functions: CC16IO CAPCOM2: CC16 Capture Inp./Compare Outp., EX7IN Fast External Interrupt 7 Input (alternate pin B) CC17IO CAPCOM2: CC17 Capture Inp./Compare Outp., EX6IN Fast External Interrupt 6 Input (alternate pin B) CC18IO CAPCOM2: CC18 Capture Inp./Compare Outp., EX7IN Fast External Interrupt 7 Input (alternate pin A) CC19IO CAPCOM2: CC19 Capture Inp./Compare Outp., EX6IN Fast External Interrupt 6 Input (alternate pin A) CC20IO CAPCOM2: CC20 Capture Inp./Compare Outp. CC21IO CAPCOM2: CC21 Capture Inp./Compare Outp. |
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