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AT85C51SND3Bx
7632A–MP3–03/06
Table 71. Priority Within Same Level
Interrupt Name Priority Number
Interrupt Address
Vectors
Interrupt Request Flag
Cleared by Hardware
(H) or by Software (S)
INT0 0 (Highest Priority) C:0003h H if edge, S if level
Timer 0 1 C:000Bh H
INT1 2 C:0013h H if edge, S if level
Timer 1 3 C:001Bh H
Serial I/O Port 4 C:0023h S
Data Flow Controller 5 C:002Bh S
Audio Processor 6 C:0033h S
USB Controller 7 C:003Bh S
Keyboard 8 C:0043h S
Parallel Slave Interface 9 C:004Bh S
Serial Peripheral Interface 10 C:0053h S
Nand Flash Controller 11 C:005Bh S
MMC Controller 12 C:0063h S
Reserved 13 C:006Bh -
Reserved 14 (Lowest Priority) C:0073h -
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