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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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CS5535 数据表(PDF) 341 Page - National Semiconductor (TI) |
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CS5535 数据表(HTML) 341 Page - National Semiconductor (TI) |
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341 / 555 page  Revision 0.8 341 www.national.com PIC Register Descriptions (Continued) 5.9.2.3 Initialization Command Word 2 (PIC_ICW2) 5.9.2.4 Initialization Command Word 3 (PIC_ICW3) 5.9.2.5 Initialization Command Word 4 (PIC_ICW4) I/O Port Master: 021h Slave: 0A1h Type WO Reset Value 00h PIC_ICW2 Register Map 76 54 32 10 A[7:3] RSVD PIC_ICW2 Bit Descriptions Bit Name Description 7:3 A[7:3] Address Lines [7:3]. For base vector of interrupt controller. 2:0 RSVD Reserved. Write to 0. I/O Port Master: 021h Slave: 0A1h Type WO Reset Value 00h PIC_ICW3 Register Map 76 54 32 10 Master = CASCADE_IRQ; Slave = SLAVE_ID PIC_ICW3 Bit Descriptions Bit Name Description Master 7:0 CASCADE_IRQ Cascade IRQ. Must be written to 04h. Slave 7:0 SLAVE_ID Slave ID. Must be written to 02h. I/O Port Master: 021h Slave: 0A1h Type WO Reset Value 00h PIC_ICW4 Register Map 76 54 32 10 RSVD SPEC_NST RSVD AUTO_EOI RSVD |
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