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M32C/86 Datasheet(PDF) 406 Page - Renesas Technology Corp |
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M32C/86 Datasheet(HTML) 406 Page - Renesas Technology Corp |
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406 / 505 page  Page 383 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 24. Programmable I/O Ports ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M Figure 24.17 PUR0 Register, PUR1 Register and PUR2 Register Function Pull-Up Control Register 0(1) Bit Name Bit Symbol Symbol Address After Reset PUR0 03F016 0016 RW PU00 PU01 PU02 P00 to P03 Pull-Up PU03 PU04 PU05 PU07 PU06 P04 to P07 Pull-Up P10 to P13 Pull-Up P14 to P17 Pull-Up P20 to P23 Pull-Up P24 to P27 Pull-Up P30 to P33 Pull-Up P34 to P37 Pull-Up Pull-up setting for corresponding port 0 : Not pulled up 1 : Pulled up NOTES: 1. Set each bit in the PUR0 register to "0" when ports P0 to P5 become bus control pins in memory expansion mode and microprocessor mode. When using the ports as I/O ports, pull-up or no pull-up setting can be selected. M32C/86T cannot be used in memory expansion mode and microprocessor mode. RW RW RW RW RW RW RW RW b7 b6 b5 b4 b3 b2 b1 b0 Function Pull-Up Control Register 1(1) Bit Name Bit Symbol Symbol Address After Reset PUR1 03F116 XXXX 00002 RW PU10 PU11 PU12 P40 to P43 Pull-Up PU13 (b7 - b4) P44 to P47 Pull-Up P50 to P53 Pull-Up P54 to P57 Pull-Up Pull-up setting for corresponding port 0 : Not pulled up 1 : Pulled up NOTES: 1. Set each bit in the PUR1 register to "0" when ports P0 to P5 become bus control pins in memory expansion mode and microprocessor mode. When using the ports as I/O ports, pull-up or no pull-up setting can be selected. M32C/86T cannot be used in memory expansion mode and microprocessor mode. RW RW RW RW b7 b6 b5 b4 b3 b2 b1 b0 Nothing is assigned. When write, set to "0". When read, its content is indeterminate. Function Pull-Up Control Register 2 Bit Name Bit Symbol Symbol Address After Reset PUR2 03DA16 0016 RW PU20 PU21 PU22 P60 to P63 Pull-Up PU23 PU24 PU25 PU27 PU26 P64 to P67 Pull-Up P72 to P73 Pull-Up(1) P74 to P77 Pull-Up P80 to P83 Pull-Up P84 to P87 Pull-Up(2) P90 to P93 Pull-Up P94 to P97 Pull-Up Pull-up setting for corresponding port 0 : Not pulled up 1 : Pulled up NOTES: 1. P70 and P71 cannot be pulled up. 2. P85 cannot be pulled up. RW RW RW RW RW RW RW RW b7 b6 b5 b4 b3 b2 b1 b0 |
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