at85c51snd3b ATMEL Corporation, at85c51snd3b Datasheet - Page 59

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

Registers
7632C–MP3–11/06
Table 72. IEN0 Register
IEN0 (0.A8h) – Interrupt Enable Register 0
Reset Value = 0000 0000b
Number
EA
Bit
7
7
6
5
4
3
2
1
0
Mnemonic Description
EAUP
EAUP
EDFC
ET1
EX1
ET0
EX0
Bit
EA
ES
6
Enable All Interrupt Bit
Set to enable all interrupts.
Clear to disable all interrupts.
If EA = 1, each interrupt source is individually enabled or disabled by setting or
clearing its interrupt enable bit.
AUP Interrupt Enable Bit
Set to enable audio processor interrupt.
Clear to disable audio processor interrupt.
DFC Enable Bit
Set to enable data flow interrupt.
Clear to disable data flow interrupt.
SIO Interrupt Enable Bit
Set to enable serial port interrupt.
Clear to disable serial port interrupt.
T1 Overflow Interrupt Enable Bit
Set to enable timer 1 overflow interrupt.
Clear to disable timer 1 overflow interrupt.
EX1 Interrupt Enable bit
Set to enable external interrupt 1.
Clear to disable external interrupt 1.
T0 Overflow Interrupt Enable Bit
Set to enable timer 0 overflow interrupt.
Clear to disable timer 0 overflow interrupt.
EX0 Interrupt Enable Bit
Set to enable external interrupt 0.
Clear to disable external interrupt 0.
EDFC
5
ES
4
ET1
3
AT85C51SND3B
EX1
2
ET0
1
EX0
0
59