Datasheet

42
AT8xC51SND1C
4109E–8051–06/03
Table 53. IPH0 Register
IPH0 (S:B7h) – Interrupt Priority High Register 0
Reset Value = X000 0000b
76543210
- IPHAUD IPHMP3 IPHS IPHT1 IPHX1 IPHT0 IPHX0
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 49 for priority level description.
5IPHMP3
MP3 Decoder Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
4IPHS
Serial Port Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
3IPHT1
Timer 1 Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
2IPHX1
External Interrupt 1 Priority Level MSB
Refer to Table 49 for priority level description.
1IPHT0
Timer 0 Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
0IPHX0
External Interrupt 0 Priority Level MSB
Refer to Table 49 for priority level description.