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M37905F8CSP Datasheet(PDF) 8 Page - Renesas Technology Corp |
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M37905F8CSP Datasheet(HTML) 8 Page - Renesas Technology Corp |
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8 / 35 page  7 M37905F8CFP, M37905F8CSP PRELIMINAR Y Notice: This is not a final specification. Som e param etric lim its are subject to change. 16-BIT CMOS MICROCOMPUTER MITSUBISHI MICROCOMPUTERS PIN DESCRIPTION (MICROCOMPUTER MODE) Vcc, Vss MD0 MD1 RESET XIN XOUT VCONT AVcc, AVss VREF P10–P17 P20–P27 P40–P47 P51–P53, P55–P57 P60–P67 P70–P77 P80–P83 P4OUTCUT P6OUTCUT Power supply input MD0 MD1 Reset input Clock input Clock output Filter circuit connection Analog power supply input Reference voltage input I/O port P1 I/O port P2 I/O port P4 I/O port P5 I/O port P6 I/O port P7 I/O port P8 P4OUTCUT input P6OUTCUT input — Input Input Input Input Output — — Input I/O I/O I/O I/O I/O I/O I/O Input Input Apply 5 V±0.5 V to Vcc, and 0 V to Vss. Connect this pin to VSS. Connect this pin to Vss. The microcomputer is reset when “L” level is applies to this pin. These are input and output pins of the internal clock generating circuit. Connect a ceramic resonator or quartz-crystal oscillator between pins XIN and XOUT. When an external clock is used, the clock source should be connected to pin XIN, and pin XOUT should be left open. When using the PLL frequency multiplier, connect this pin to the filter circuit. When not using the PLL frequency multiplier, this pin should be left open. Power supply input pins for the A-D and D-A converters. Connect AVcc to Vcc, and AVss to Vss externally. This is the reference voltage input pin for the A-D and D-A converters. Port P1 is an 8-bit I/O port. This port has an I/O direction register, and each pin can be programmed for input or output. These pins enter the input mode ar reset. These pins also function as I/O pins of UART0, 1. In addition to having the same functions as port P1, these pins function as I/O pins for timers A4 and A9. Also, they can be programmed to function as input pins for tim- ers B0 to B2. In addition to having the same functions as port P1, these pins function as I/O pins for timers A5 to A8. Also, they function as output pins for motor drive waveform. In addition to having the same functions as port P1, these pins function as input pins for INT1 to INT3 and INT5 to INT7. Also, pins P55 to P57 function as input pins for tim- ers B0 to B2 and as input pins for position data in the three-phase waveform mode; and pins P52 and P53 function as trigger-input pins in the pulse output port mode. In addition to having the same functions as port P1, these pins function as I/O pins for timers A0 to A3. Also, they function as motor drive waveform output pins. In addition to having the same functions as port P1, these pins function as input pins for the A-D converter. Also, P77 functions as an output pin for the D-A converter. In addition to having the same functions as port P1, these pins function as input pins for the A-D converter. Also, these pins function as I/O pins for UART2, and pin P80 functions as an output pin for the D-A converter. This pin has the function to forcibly place port P4 pins in the input mode. Also, this pin functions as an input pin for INT0; and this pin is used to input a signal, which forcibly cuts off a motor drive waveform output. This pin has the function to forcibly place port P6 pins in the input mode. Also, this pin functions as an input pin for INT4; and this pin is used to input a signal, which forcibly cuts off a motor drive waveform output. Functions Input/ Output Name Pin |
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