MC80F0704D 데이터 시트보기 (PDF) - Unspecified

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MC80F0704D

8-BIT SINGLE-CHIP MICROCONTROLLERS

Unspecified 

MC80F0704/0708/0804/0808

5. PIN FUNCTION

VDD: Supply voltage.

VSS: Circuit ground.

RESET: Reset the MCU.

XIN: Input to the inverting oscillator amplifier and input to the in-

ternal main clock operating circuit.

XOUT: Output from the inverting oscillator amplifier.

R00~R07: R0 is an 8-bit, CMOS, bidirectional I/O port. R0 pins

can be used as outputs or inputs according to “1” or “0” written

the their Port Direction Register(R0IO).

Port pin

R00

R01

R02

R03

R04

R05

R06

R07

Alternate function

INT3 ( External Interrupt Input Port3 )

SCK ( SPI CLK )

AN1 ( Analog Input Port 1 )

SI (SPI Serial Data Input )

AN2 ( Analog Input Port 2 )

SOUT ( SPI Serial Data Output )

AN3 ( Analog Input Port 3 )

INT2 ( External Interrupt Input Port2 )

AN4 ( Analog Input Port 4 )

EC0 ( Event Counter Input Source 0 )

AN5 ( Analog Input Port 5 )

T0O (Timer0 Clock Output )

AN6 ( Analog Input Port 6 )

T2O (Timer2 Clock Output )

AN7 ( Analog Input Port 7 )

EC1 ( Event Counter Input Source 1 )

Table 5-1 R0 Port

In addition, R0 serves the functions of the various special features

in Table 5-1 .

R10~R17: R1 is an 8-bit, CMOS, bidirectional I/O port. R1 pins

can be used as outputs or inputs according to “1” or “0” written

the their Port Direction Register (R1IO).

R1 serves the functions of the various following special features

in Table 5-2

Port pin

R10

R11

R12

R13

R14

R15

R16

R17

Alternate function

AN0 ( Analog Input Port 0 )

AVref ( External Analog Reference Pin )

PWM1O ( PWM1 Output )

INT0 ( External Interrupt Input Port 0 )

PWM3O ( PWM3 Output )

INT1 ( External Interrupt Input Port 1 )

BUZ ( Buzzer Driving Output Port )

-

-

-

-

AN8 ( Analog Input Port 8 )

Table 5-2 R1 Port

R20~R27 : R2 is an 8-bit, CMOS, bidirectional I/O port. R2 pins

can be used as outputs or inputs according to “1” or “0” written

the their Port Direction Register(R2IO)

In addition, R2 serves the functions of the various special features

in Table 5-3 .

Port pin

R20

R21

R22

R23

R24

R25

R26

R27

Alternate function

-

-

-

AN9 ( Analog Input Port 9 )

AN10 ( Analog Input Port 10 )

AN11 ( Analog Input Port 11 )

AN12 ( Analog Input Port 12 )

-

Table 5-3 R2 Port

R31~R35: R3 is a 6-bit, CMOS, bidirectional I/O port. R3 pins

can be used as outputs or inputs according to “1” or “0” written

the their Port Direction Register (R3IO).

R3 serves the functions of the serial interface following special

features in Table 5-4 .

Port pin

R30

R31

R32

R33

R34

R35

Alternate function

AN13 ( Analog Input Port 13)

AN14 ( Analog Input Port 14 )

AN15 ( Analog Input Port 15 )

XIN ( Oscillation Input )

XOUT ( Oscillation Output )

RESETB ( Reset input port )

Table 5-4 R3 Port

10

October 31, 2011 Ver 1.03

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