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PC87366 数据表(PDF) 22 Page - National Semiconductor (TI) |
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PC87366 数据表(HTML) 22 Page - National Semiconductor (TI) |
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22 / 240 page  1.0 Signal/Pin Connection and Description (Continued) 22 www.national.com 1.3 PIN MULTIPLEXING The multiplexing options and the associated setup configuration for all pins are described in Table 3. A multiplexing option can be chosen on one pin only per group. Table 3. Pin Multiplexing Configuration Pin(s) Default Alternate Signal I/O Configuration Signal I/O Configuration 1 GPIO34 I/O SIOCF2, Bits 1-0 = 00 FANOUT2 O SIOCF2, Bits 1-0 = 01 CHLOCK O SIOCF2, Bits 1-0 = 10 2 GPIO00 I/O SIOCF2, Bit 2 = 0 FANIN1 I SIOCF2, Bit 2 = 1 3 GPIO01 I/O SIOCF2, Bit 3 = 0 FANOUT1 O SIOCF2, Bit 3 = 1 4 GPIO02 I/O SIOCF2, Bit 4 = 0 FANIN0 I SIOCF2, Bit 4 = 1 5 GPIO03 I/O SIOCF2, Bit 5 = 0 FANOUT0 O SIOCF2, Bit 5 = 1 6 GPIO04 I/O SIOCF2, Bit 6 = 0 P12 I/O SIOCF2, Bit 6 = 1 7 GPIO05 I/O SIOCF2, Bit 7 = 0 P17 I/O SIOCF2, Bit 7 = 1 8 KBRST (P20) SIOCF3, Bit 0 = 1 GPIO06 I/O SIOCF3, Bit 0 = 0 9 GA20 (P21) SIOCF3, Bit 1 = 1 GPIO07 I/O SIOCF3, Bit 1 = 0 21 GPIO10 I/O SIOCF3, Bit 2 = 0 SMI O SIOCF3, Bit 2 = 1 24 GPIOE1 I/O SIOCFA, Bit 0 = 0 OTS1 O SIOCFA, Bit 0 = 1 25 GPIOE2 I/O SIOCFA, Bits 2-1 = 00Note 1. LED1 O SIOCFA, Bits 2-1 = 01 OTS2 O SIOCFA, Bits 2-1 = 10 26 GPIOE3 I/O SIOCFA, Bit 3 = 0Note 1. LED2 O SIOCFA, Bit 3 =1 27 GPIOE4 I/O SIOCFA, Bits 5-4 = 00 RING I SIOCFA, Bits 5-4 = 01 ALARM O SIOCFA, Bits 5-4 = 10 28 GPIOE5 I/O SIOCFA, Bit 6 = 0 CHASO O SIOCFA, Bit 6 =1 33-35, 37 PWBTOUT PSON PWBTIN SLPS5 O O I I SIOCFA, Bit 7 = 0Note 1. GPOS0 GPOS1 GPIS2 AVI0 0 0 I I SIOCFA, Bit 7 = 1Note 1. 47 D1N I SIOCFB, Bit 6 = 0 TS1 I SIOCFB, Bit 6 = 1 48 D1P O SIOCFB, Bit 6 = 0 TS2 I SIOCFB, Bit 6 = 1 49 D2N I SIOCFB, Bit 6 = 0 TS3 I SIOCFB, Bit 6 = 1 54 GPIO12 I/O SIOCF3, Bit 5 = 0 SCL I/O SIOCF3, Bit 5 = 1 55 GPIO13 I/O SIOCF3, Bit 5 = 0 SDA I/O SIOCF3, Bit 5 = 1 56 GPIO14 I/O SIOCF3, Bit 6 = 0 WDO O SIOCF3, Bit 6 = 1 57 GPO15 O SIOCF3, Bit 7 = 0 IRTX O SIOCF3, Bit 7 = 1 58 GPIE6 I SIOCFB, Bit 0 = 0 IRRX2_IRSL0 I/O SIOCFB, Bit 0 = 1 59 GPIE7 I SIOCFB, Bit 1 = 0 IRRX1 I SIOCFB, Bit 1 = 1 69 GPIO16 I/O SIOCF4, Bits 1-0 = 00 MTR1 O SIOCF4, Bits 1-0 = 01 IRSL2 I/O SIOCF4, Bits 1-0 = 10 71 GPIO17 I/O SIOCF4, Bits 3-2 = 00 DR1 O SIOCF4, Bits 3-2 = 01 IRSL3 I SIOCF4, Bits 3-2 = 10 117 GPIO20 I/O SIOCF4, Bit 4 = 0 JOYAX I/O SIOCF4, Bit 4 = 1 118 GPIO21 I/O SIOCF4, Bit 4 = 0 JOYAY I/O SIOCF4, Bit 4 = 1 |
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