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7906 Datasheet(PDF) 99 Page - Renesas Technology Corp |
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7906 Datasheet(HTML) 99 Page - Renesas Technology Corp |
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99 / 531 page  7906 Group User’s Manual Rev.2.0 INTERRUPTS 6-20 Fig. 6.10.3 Relationship between port P2/P5/P7 direction register and external interrupt’s input pins 6.10 External interrupts Corresponding pin Bit 0 1 2 3 4 5 6 7 Port P2 direction register (Address 816) Function 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 INT3 (RTPTRG0) (Note 4) 0 0 0 0 0 0 0 0 RW RW RW RW RW RW RW RW b7 b6 b5 b4 b3 b2 b1 b0 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 pins of other internal peripheral device which are multiplexed. 0 : Input mode 1 : Output mode When using this pin as an external interrupt’s input pin, be sure to clear the corresponding bit to “0.” Corresponding pin Bit 4 to 0 5 6 7 Port P5 direction register (Address D16) Function At reset R/W Nothing is assigned. Pin INT5 (TB0IN/IDW) Pin INT6 (TB1IN/IDV) Pin INT7 (TB2IN/IDU) — RW RW RW b7 b6 b5 b4 b3 b2 b1 b0 Note: ( ) shows the I/O pins of other internal peripheral devices which are multiplexed. 0 : Input mode 1 : Output mode When using this pin as an external interrupt’s input pin, be sure to clear the corresponding bit to “0.” Corresponding pin Bit 0 1 2 3 4 7 to 5 Port P7 direction register (Address 1116) Function At reset R/W 0 0 0 0 0 Undefined RW RW RW RW RW — b7 b6 b5 b4 b3 b2 b1 b0 Notes 1: This applies when the pin INT3/RTPTRG0 select bit (bit 3 at address AE16) = “0.” 2: ( ) shows the I/O pins of other internal peripheral devices which are multiplexed. 0 : Input mode 1 : Output mode When using this pin as an external interrupt’s input pin, be sure to clear the corresponding bit to “0.” Pin AN0 Pin AN1 Pin AN2 Pin AN3/DA0 Pin INT3 (AN4/DA1/RTPTRG0) (Note 1) Nothing is assigned. Undefined 0 0 0 |
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