AT83C51SND1C_03 ATMEL [ATMEL Corporation], AT83C51SND1C_03 Datasheet - Page 43

• Manufacturer Part Number: AT83C51SND1C_03
• Description: Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
• Manufacturer: ATMEL [ATMEL Corporation]

4109E–8051–06/03
Table 54. IPH1 Register
IPH1 (S:B3h) – Interrupt Priority High Register 1
Reset Value = 0000 0000b
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
IPHUSB
IPHMMC
IPHUSB
IPHADC
IPHSPI
IPHI2C
IPHKB
Bit
6
-
-
Reserved
The value read from this bit is always 0. Do not set this bit.
USB Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
Reserved
The value read from this bit is always 0. Do not set this bit.
Keyboard Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
A to D Converter Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
SPI Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
Two Wire Controller Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
MMC Interrupt Priority Level MSB
Refer to Table 49 for priority level description.
5
-
IPHKB
4
IPHADC
3
AT8xC51SND1C
IPHSPI
2
IPHI2C
1
IPHMMC
0
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