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PC97338VLJ bảng dữ liệu(PDF) 193 Page - National Semiconductor (TI) |
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PC97338VLJ bảng dữ liệu(HTML) 193 Page - National Semiconductor (TI) |
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193 / 221 page ![]() 193 www.national.com TABLE 103. Interrupt Support in Plug and Play Mode for IRQ3, 4, 6, 7, 9, 10 or 11 TABLE 104. Interrupt Support in Plug and Play Mode for IRQ 5, 12 or 15 TABLE 105. TRI-STATE Conditions for Interrupts in Plug and Play Mode Interrupt Source SCC1 SCC2 Parallel Port FDC SIRQIn a a. n = 1, 2 or 3 IRQx b b. x = 3, 4, 6, 7, 9, 10 or 11 +++++ Interrupt Conditions Possible Interrupt Source Bit 0 of ASC Bit 3 of SCF3 Bits 7,6 of SIRQI1 Reset Value of CFG0 SCC1 SCC2 Parallel Port FDC SIRQI1 SIRQI2 SIRQI3 IRQ5 0 x x x ++++++ + 1x x x −−−−−− − IRQ12 x 0 x 0 ++++++ + x1 x 0 −−−−−− − xxx 1 −−−−−− − IRQ15 x x 00 x ++++−+ + xx 01 x −−−−−− − xx 1x x −−−−−− − IRQ Conditions for IRQx b to be in TRI-STATE SCC1 SCC2 PP FDC SIRQIn a a. n = 1, 2 or 3 IRQxb b. x = 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15 IRQxb not selected or bit 1 of FER = 0 or bit 3 of MCR1 = 0 or bit 4 of MCR1 = 1 IRQxb not selected or bit 2 of FER = 0 or bit 3 of MCR2 = 0 or bit 4 of MCR2 = 1 IRQxb not selected or bit 0 of FER = 0 or bit 4 of CTR = 0 or bit 2 of PCR = 0 IRQxb not selected or bit 3 of FER = 0 or bit 3 of DOR = 0 or bit 7 of ASC = 1 IRQxb not selected |
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