at85c51snd3b ATMEL Corporation, at85c51snd3b Datasheet - Page 60

• Manufacturer Part Number: at85c51snd3b
• Description: Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
• Manufacturer: ATMEL Corporation

60
AT85C51SND3B
Table 73. IEN1 Register
IEN1 (0.B1h) – Interrupt Enable Register 1
Reset Value = 0000 0000b
Number
7-6
Bit
7
5
4
3
2
1
0
-
Mnemonic Description
EMMC
ENFC
EUSB
ESPI
EPSI
EKB
Bit
6
-
-
Reserved
The value read from these bits is always 0. Do not set these bits.
MMC/SD Interrupt Enable Bit
Set to enable MMC/SD interrupt.
Clear to disable MMC/SD interrupt.
NFC Interrupt Enable Bit
Set to enable IDE interrupt.
Clear to disable IDE interrupt.
SPI Interrupt Enable Bit
Set to enable SPI interrupt.
Clear to disable SPI interrupt.
PSI Interrupt Enable Bit
Set to enable PSI interrupt.
Clear to disable PSI interrupt.
KBD Interrupt Enable Bit
Set to enable Keyboard interrupt.
Clear to disable Keyboard interrupt.
USB Interrupt Enable Bit
Set this bit to enable USB interrupt.
Clear this bit to disable USB interrupt.
EMMC
5
ENFC
4
ESPI
3
EPSI
2
EKB
1
7632C–MP3–11/06
EUSB
0