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UPD78P322K Datasheet(PDF) 11 Page - NEC |
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UPD78P322K Datasheet(HTML) 11 Page - NEC |
11 / 56 page µPD78P322 11 1. PIN FUNCTIONS 1.1 Normal Operating Mode (1) Port Pins Pin Name Input/Output Function Alternate Function P00-P07 Input/Output PORT0 RTP0-RTP7 (Output) 8-bit input/output port Input or output mode can be specified bit-wise. The port can also operate as a real-time output port. P20 Input PORT 2 NMI P21 8-bit input-only port INTP0 P22 INTP1 P23 INTP2 P24 INTP3 P25 INTP4 P26 INTP5 P27 INTP6/TI P30 Input/Output PORT 3 TxD P31 5-bit input/output port RxD P32 Input or output mode can be specified bit-wise. SO/SB0 P33 SI/SB1 P34 SCK P40-P47 Input/Output PORT 4 AD0-AD7 8-bit input/output port Input or output mode can be specified in 8-bit units. P50-P57 Input/Output PORT 5 A8-A15 8-bit input/output port Input or output mode can be specified bit-wise. P70-P77 Input PORT 7 AN0-AN7 8-bit input-only port P80 Input/Output PORT 8 TO00 P81 6-bit input/output port TO01 P82 Input or output mode can be specified bit-wise. TO02 P83 TO03 P84 TO10 P85 TO11 P90 Input/Output PORT 9 RD P91 4-bit input/output port WR P92 Input or output mode can be specified bit-wise. TAS P93 TMD |
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