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UPD17072 Datasheet(PDF) 59 Page - Renesas Technology Corp |
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UPD17072 Datasheet(HTML) 59 Page - Renesas Technology Corp |
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59 / 228 page  57 µPD17072,17073 10. GENERAL-PURPOSE PORT The general-purpose ports output high or low floating signals to external circuits, and reads high or low level signals from external circuits. 10.1 General Table 10-1 shows the relations between each port and port register. The general-purpose ports are classified into I/O ports, input ports, and output ports. The I/O port is the bit I/O ports, which can be set in the input or output mode in 1-bit (1-pin) units. Table 10-1. Relations between Each Port (Pin) and Port Register Port Pin Data setting method No. Symbol I/O Port register (data memory) Remarks 56-pin 64-pin Bank Address Symbol Bit symbol QFP TQFP (reserved word) Port 0A 5 6 P0A3 Output BANK0 70H P0A b3 P0A3 4 4 P0A2 b2 P0A2 3 3 P0A1 b1 P0A1 2 2 P0A0 b0 P0A0 Port 0B 56 64 P0B3 I/O 71H P0B b3 P0B3 55 63 P0B2 (bit I/O) b2 P0B2 54 62 P0B1 b1 P0B1 53 61 P0B0 b0 P0B0 Port 0C No pin 72H P0C b3 – Fixed to “0” b2 – 15 17 P0C1 I/O b1 P0C1 14 16 P0C0 (bit I/O) b0 P0C0 Port 0D 17 19 P0D3 I/O 73H P0D b3 P0D3 16 18 P0D2 (bit I/O) b2 P0D2 No pin b1 – Fixed to “0” b0 – Port 1A 13 15 P1A3 Input BANK1 70H P1A b3 P1A3 12 14 P1A2 b2 P1A2 11 13 P1A1 b1 P1A1 10 11 P1A0 b0 P1A0 Port 1B 9 10 P1B3 Output 71H P1B b3 P1B3 8 9 P1B2 b2 P1B2 7 8 P1B1 b1 P1B1 6 7 P1B0 b0 P1B0 Port 1C No pin 72H P1C b3 – b2 – Fixed to “0” b1 – 1 1 P1C0 Output b0 P1C0 73H – b3 – Test mode area. Do not write b2 “1” to this area. b1 b0 ––––––––– ––– –––––––– –––– ––––––– ––––– ––––––––– ––– –––––––– –––– ––––––– ––––– ––––––––– ––– –––––––– –––– ––––––– ––––– ––––––––– ––– –––––––– –––– ––––––– ––––– ––––– ––––– ––––– ––––––––– ––– –––––––– ––––––––– –– ––––––––––––––––––– ––––––– ––––– ––––––––– ––– –––––––– ––––––––– –– ––––––––––––––––––– ––––––– ––––– ––––––––– ––– ––––––– ––––– –––––––– ––––––––– –– ––––––––––––––––––– ––––––––– ––––––––– – - –––––––– ––––––––– –– - ––––––– ––––––––– ––– - ––––––––– ––––––––– – - –––––––– ––––––––– –– - ––––––– ––––––––– ––– - ––––––––– ––––––––– – - –––––––– ––––––––– –– - ––––––– ––––––––– ––– - ––––––––– ––––––––– – - –––––––– ––––––––– –– - ––––––– ––––––––– ––– - ––––––––– ––––––––– – –––––––– – –––––––– –– ––––––– ––- ––––––––– – –––––––– –- –––––––– –– ––––––– ––––––––––– ––––––––– ––––––––– – –––––––– – |
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