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UPD703039 Datasheet(PDF) 11 Page - NEC |
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UPD703039 Datasheet(HTML) 11 Page - NEC |
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11 / 44 page  Preliminary Data Sheet U14622EJ1V0DS00 11 µµµµPD70F3040, 70F3040Y (2/4) Pin Name I/O PULL Function Alternate Function INTTCLR8 Input No P135/TCLR8 INTTI8 P134/TI8 INTTI9 Input No External interrupt request input (digital noise elimination) P144/TI9 KR0 to KR7 Input Yes Key return input P170 to P177 LBEN Output No Lower byte enable signal output for external data bus P90/WRL NMI Input Yes Non-maskable interrupt request input P00 PWM0 to PWM3 Output No Output of PWM channels 0 to 3 P160 to P163 RD Output No Bus read strobe signal output P93/DSTB RESET Input – System reset input – RTP00 to RTP07 P100 to P107 RTP10 to RTP17 Output Yes Real-time output port P150 to P157 RTPTRG0 Yes P06 RTPTRG1 Input No RTP external trigger input P146 R/W Output No External read/write status output P92/WRH RXD0 P13/SI1 RXD1 Input Yes Serial receive data input for UART0 and UART1 P23/SI3 SCK0 P12/SCL0 SCK1 P15/ASCK0 SCK2 P22/SCL1 SCK3 Yes Serial clock I/O for CSI0 to CSI3 (3-wire mode) P25/ASCK1 SCK4 I/O No Variable-length CSI4 serial clock I/O P122 SCL0 P12/SCK0 SCL1 I/O Yes Serial clock I/O for I 2C0 and I2C1 ( µPD70F3040Y) P22/SCK2 SDA0 P10/SI0 SDA1 I/O Yes Serial transmit/receive data I/O for I 2C0 and I2C1 ( µPD70F3040Y) P20/SI2 SI0 P10/SDA0 SI1 P13/RXD0 SI2 P20/SDA1 SI3 Yes Serial receive data input for CSI0 to CSI3 (3-wire mode) P23/RXD1 SI4 Input No Variable-length CSI4 serial receive data input (3-wire mode) P120 SO0 P11 SO1 P14/TXD0 SO2 P21 SO3 Yes Serial transmit data output for CSI0 to CSI3 P24/TXD1 SO4 Output No Variable-length CSI4 serial transmit data output P121 TCLR8 Input No External clear input for TM8 P135/INTTCLR8 Remark PULL: On-chip pull-up resistor |
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