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SAF-XC164GM-16F20F Datasheet(PDF) 11 Page - Infineon Technologies AG |
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SAF-XC164GM-16F20F Datasheet(HTML) 11 Page - Infineon Technologies AG |
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11 / 69 page  XC164GM Derivatives General Device Information Data Sheet 9 V1.2, 2007-03 Table 2 Pin Definitions and Functions Sym- bol Pin Num. Input Outp. Function RSTIN 63 I Reset Input with Schmitt-Trigger characteristics. A low-level at this pin while the oscillator is running resets the XC164GM. 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. NMI 64 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 XC164GM 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. Port 9 P9.0 P9.1 P9.2 P9.3 P9.4 P9.5 43-48 43 44 45 46 47 48 IO I/O I I I/O O I/O I I I/O O 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., CAN2_RxD: (CAN Node 2) Receive Data Input1), EX5IN: (Fast External Interrupt 5) Input (alternate pin A) CC17IO: (CAPCOM2) CC17 Capture Inp./Compare Outp., CAN2_TxD: (CAN Node 2) Transmit Data Output, CC18IO: (CAPCOM2) CC18 Capture Inp./Compare Outp., CAN1_RxD: (CAN Node 1) Receive Data Input1), EX4IN: (Fast External Interrupt 4) Input (alternate pin A) CC19IO: (CAPCOM2) CC19 Capture Inp./Compare Outp., CAN1_TxD: (CAN Node 1) Transmit Data Output, CC20IO: (CAPCOM2) CC20 Capture Inp./Compare Outp. CC21IO: (CAPCOM2) CC21 Capture Inp./Compare Outp. Note: At the end of an external reset P9.4 and P9.5 also may input startup configuration values. |
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