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UPD703100AF1-40-FA1 Datasheet(PDF) 11 Page - NEC |
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UPD703100AF1-40-FA1 Datasheet(HTML) 11 Page - NEC |
11 / 132 page Preliminary Data Sheet U14168EJ2V0DS00 11 µµµµPD703100A-33, 703100A-40, 703101A-33, 703102A-33 2. PIN FUNCTIONS 2.1 Port Pins (1/3) Pin Name I/O Function Alternate Function P00 TO100 P01 TO101 P02 TCLR10 P03 TI10 P04 INTP100/DMARQ0 P05 INTP101/DMARQ1 P06 INTP102/DMARQ2 P07 I/O Port 0 8-bit I/O port Input/output mode can be specified in 1-bit units INTP103/DMARQ3 P10 TO110 P11 TO111 P12 TCLR11 P13 TI11 P14 INTP110/DMAAK0 P15 INTP111/DMAAK1 P16 INTP112/DMAAK2 P17 I/O Port 1 8-bit I/O port Input/output mode can be specified in 1-bit units INTP113/DMAAK3 P20 I NMI P21 – P22 TXD0/SO0 P23 RXD0/SI0 P24 SCK0 P25 TXD1/SO1 P26 RXD1/SI1 P27 I/O Port 2 P20 is an input only port. When a valid edge is input, this pin operates as NMI input. Also, bit 0 of the P2 register indicates the NMI input status. P21 to P27 are a 7-bit I/O port. Input/output mode can be specified in 1-bit units SCK1 P30 TO130 P31 TO131 P32 TCLR13 P33 TI13 P34 INTP130 P35 INTP131/SO2 P36 INTP132/SI2 P37 I/O Port 3 8-bit I/O port. Input/output mode can be specified in 1-bit units INTP133/SCK2 P40 to P47 I/O Port 4 8-bit I/O port Input/output mode can be specified in 1-bit units D0 to D7 |
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