Sharp FO-2150CM Manuel technique - Page 21

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3. Pin Function

PIN Name

Input/Output

P07 to P00

P17,P16

P15(TC2)

I/O(Input)

P14(PPG)

I/O(Output)

P13(OVO)

P12(INT2/TC1)

I/O(Input)

P11(INT1)

P10(INT0)

P22(XTOUT)

I/O(Output)

P21(XTIN)

I/O(Input)

P20(INT5/STOP)

P51,P50

Output

P67 to P60

I/O(Output)

P77(HSO)

I/O(Output)

P76(HSCK)

P75(SO)

P74(SI)

P73(SCK)

I/O(I/O)

P72(PWM/PDO)

I/O(Output)

P71(INT4)

I/O(Input)

P70(INT3/TC3)

XIN/XOUT

Input,Output

RESET

TEST

VDD,VSS

Power Supply

N.C.

I/O

Two 8-bit programmable input/output ports

(tri-state).

I/O

Each bit of these ports can be individually

configured as an input or an output under

software control.

During reset,all bits are configured as in-

puts.

When used as a divider output or a PPG

output, the latch must be set to "1".

3-bit input/output port with latch.

When used as an input port,the latch must

be set to "1".

2-bit output port with latch.

8-bit programmable input/output port (tri-

state). Each bit of the port can be indi-

vidually configured as an input or an out-

put under software control.

8-bit programmable input/output port (tri-

state).

When used as an input port, a SIO input/

output on external interrupt input or a

PWM/PDO output, the latch must be set

to "1".

Resonator connecting pins for high-frequency clock.

For inputting external clock. XIN is used and XOUT is opend.

I/O

Reset signal input or watchdog timer output/address-trap-reset output/system-

clock-reset output.

Test pin for out-going test. Be tied to low.

Input

+5V,0V(GND)

Be tied to low.

Function

Timer/Counter 2 input

Programmsble pulse generator output

Divider output

External interrupt input 2 or Timer/Counter 1 input

External interrupt input 1

External interrupt input 0

Resonator connecting pins(32.8kHz). For inputting

external clock,XTIN is used and XTOUT is opeded.

External interrupt input 5 or STOP mode retease signal input

HSO serial data output

HSO serial clock output

SIO serial data output

SIO serial data input

SIO serial clock input/output

8-bit PWM output or 8-bit programmable divider output

External interrupt input 4

External interrupt input 3 or Timer/Counter 3 input

–

UX-2200CMU/CMC

FO-2150CMU/CMC