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M30610MCA-XXXGP Datasheet(PDF) 8 Page - Mitsubishi Electric Semiconductor |
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M30610MCA-XXXGP Datasheet(HTML) 8 Page - Mitsubishi Electric Semiconductor |
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8 / 197 page  Mitsubishi microcomputers M16C / 61 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Pin Description 8 VCC, VSS CNVSS XIN XOUT BYTE AVCC AVSS VREF P00 to P07 D0 to D7 P10 to P17 D8 to D15 P20 to P27 A0 to A7 A0/D0 to A7/D7 A0, A1/D0 to A7/D6 P30 to P37 A8 to A15 A8/D7, A9 to A15 P40 to P47 Signal name Power supply input CNVSS Reset input Clock input Clock output External data bus width select input Analog power supply input Reference voltage input I/O port P0 I/O port P1 I/O port P2 I/O port P3 I/O port P4 Supply 2.7 to 5.5 V to the VCC pin. Supply 0 V to the VSS pin. Function This pin switches between processor modes. Connect it to the VSS pin when operating in single-chip or memory expansion mode. Connect it to the VCC pin when in microprocessor mode. A “L” on this input resets the microcomputer. These pins are provided for the main clock generating circuit.Connect a ceramic resonator or crystal between the XIN and the XOUT pins. To use an externally derived clock, input it to the XIN pin and leave the XOUT pin open. This pin selects the width of an external data bus. A 16-bit width is selected when this input is “L”; an 8-bit width is selected when this input is “H”. This input must be fixed to either “H” or “L”. When operating in single-chip mode,connect this pin to VSS. This pin is a power supply input for the A-D converter. Connect this pin to VCC. This pin is a power supply input for the A-D converter. Connect this pin to VSS. This pin is a reference voltage input for the A-D converter. This is an 8-bit CMOS I/O port. It has an input/output port direction register that allows the user to set each pin for input or output individually. When used for input in single-chip mode, the port can be set to have or not have a pull-up resistor in units of four bits by software. In memory expansion and microprocessor modes, selection of the internal pull-resistor is not available. When set as a separate bus, these pins input and output data (D0–D7). This is an 8-bit I/O port equivalent to P0. When set as a separate bus, these pins input and output data (D8–D15). This is an 8-bit I/O port equivalent to P0. These pins output 8 low-order address bits (A0–A7). If the external bus is set as an 8-bit wide multiplexed bus, these pins input and output data (D0–D7) and output 8 low-order address bits (A0–A7) separated in time by multiplexing. If the external bus is set as a 16-bit wide multiplexed bus, these pins input and output data (D0–D6) and output address (A1–A7) separated in time by multiplexing. They also output address (A0). This is an 8-bit I/O port equivalent to P0. These pins output 8 middle-order address bits (A8–A15). If the external bus is set as a 16-bit wide multiplexed bus, these pins input and output data (D7) and output address (A8) separated in time by multiplexing. They also output address (A9–A15). This is an 8-bit I/O port equivalent to P0. Pin name Input Input Input Output Input Input Input/output Input/output Input/output Input/output I/O type Analog power supply input Input/output Output Input/output Output Input/output Input/output Output Input/output Output Input/output Output Output CS0 to CS3, A16 to A19 These pins output CS0–CS3 signals and A16–A19. CS0–CS3 are chip select signals used to specify an access space. A16–A19 are 4 high- order address bits. RESET Pin Description |
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