7906 datasheet(191/531 Pages) RENESAS

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PULSE OUTPUT PORT MODE

7906 Group User’s Manual Rev.2.0

9-10

9.2 Block description

Fig. 9.2.5 Relationship between port P2/P7 direction register and pulse output trigger input pins

Corresponding pin

Bit

7 to 5

Port P7 direction register (Address 1116)

Function

At reset

R/W

Undefined

—

b7 b6 b5 b4 b3 b2 b1 b0

Pin AN0

Pin AN1

Pin AN2

Pin AN3/DA0

Pin RTPTRG0 (Pin AN4/DA1/INT3)

(Note 1)

Nothing is assigned.

0 : Input mode

1 : Output mode

When using this pin as a pulse output trigger

input pin, be sure to clear the corresponding bit

to “0.”

Corresponding pin

Bit

Port P2 direction register (Address 816)

Functions

At reset

R/W

Pin TA4OUT

Pin TA4IN

Pin TA9OUT

Pin TA9IN

Pin TB0IN

(Note 1)

Pin TB1IN

(Note 2)

Pin TB2IN

(Note 3)

Pin RTPTRG0 (Pin INT3) (Note 4)

b7 b6 b5 b4 b3 b2 b1 b0

0 : Input mode

1 : Output mode

When using this pin as a pulse output trigger

input pin, be sure to clear the corresponding bit

to “0.”

Notes 1: This applies when the pin TB0IN select bit (bit 0 at address AE16) = 1.

2: This applies when the pin TB1IN select bit (bit 1 at address AE16) = 1.

3: This applies when the pin TB2IN select bit (bit 2 at address AE16) = 1.

4: This applies when the pin INT3/RTPTRG0 select bit (bit 3 at address AE16) = 1.

5: ( ) shows the I/O pin of another internal peripheral device which is multiplexed.

Notes 1: This applies when the pin INT3/RTPTRG0 select bit (bit 3 at address AE16) = 0.

2: ( ) shows the I/O pin of another internal peripheral device which is multiplexed.

7906 Datasheet(PDF) 191 Page - Renesas Technology Corp

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