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AT83SND1CXXX-ROTUL Datasheet(PDF) 44 Page - ATMEL Corporation |
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AT83SND1CXXX-ROTUL Datasheet(HTML) 44 Page - ATMEL Corporation |
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44 / 212 page  44 4109J–8051–10/06 AT8xC51SND1C Reset Value = X000 0000b Table 44. IPH1 Register IPH1 (S:B3h) – Interrupt Priority High Register 1 Reset Value = 0000 0000b Bit Number Bit Mnemonic Description 7- Reserved The value read from this bit is indeterminate. Do not set this bit. 6IPHAUD Audio Interface Interrupt Priority Level MSB Refer to Table 39 for priority level description. 5IPHMP3 MP3 Decoder Interrupt Priority Level MSB Refer to Table 39 for priority level description. 4IPHS Serial Port Interrupt Priority Level MSB Refer to Table 39 for priority level description. 3IPHT1 Timer 1 Interrupt Priority Level MSB Refer to Table 39 for priority level description. 2IPHX1 External Interrupt 1 Priority Level MSB Refer to Table 39 for priority level description. 1IPHT0 Timer 0 Interrupt Priority Level MSB Refer to Table 39 for priority level description. 0IPHX0 External Interrupt 0 Priority Level MSB Refer to Table 39 for priority level description. 7654 3210 - IPHUSB - IPHKB IPHADC IPHSPI IPHI2C IPHMMC Bit Number Bit Mnemonic Description 7- Reserved The value read from this bit is always 0. Do not set this bit. 6 IPHUSB USB Interrupt Priority Level MSB Refer to Table 39 for priority level description. 5- Reserved The value read from this bit is always 0. Do not set this bit. 4IPHKB Keyboard Interrupt Priority Level MSB Refer to Table 39 for priority level description. 3IPHADC A to D Converter Interrupt Priority Level MSB Refer to Table 39 for priority level description. 2IPHSPI SPI Interrupt Priority Level MSB Refer to Table 39 for priority level description. 1IPHI2C Two Wire Controller Interrupt Priority Level MSB Refer to Table 39 for priority level description. 0IPHMMC MMC Interrupt Priority Level MSB Refer to Table 39 for priority level description. |
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