AT83C51SND1C_03 ATMEL [ATMEL Corporation], AT83C51SND1C_03 Datasheet - Page 101

• 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 93. USBIEN Register
USBIEN (S:BEh) – USB Global Interrupt Enable Register
Reset Value = 0001 0000b
Table 94. UEPNUM Register
UEPNUM (S:C7h) – USB Endpoint Number
Reset Value = 0000 0000b
Number
Number
7 - 6
2 - 1
7 - 2
1 - 0
Bit
Bit
7
5
4
3
0
7
-
-
EWUPCPU
EPNUM1:0
Mnemonic Description
Mnemonic Description
EEOFINT
ESOFINT
ESPINT
Bit
Bit
6
6
-
-
-
-
-
Reserved
The value read from these bits is always 0. Do not set these bits.
Wake Up CPU Interrupt Enable Bit
Set to enable the Wake Up CPU interrupt.
Clear to disable the Wake Up CPU interrupt.
End Of Reset Interrupt Enable Bit
Set to enable the End Of Reset interrupt. This bit is set after reset.
Clear to disable End Of Reset interrupt.
Start Of Frame Interrupt Enable Bit
Set to enable the SOF interrupt.
Clear to disable the SOF interrupt.
Reserved
The value read from these bits is always 0. Do not set these bits.
Suspend Interrupt Enable Bit
Set to enable Suspend interrupt.
Clear to disable Suspend interrupt.
Reserved
The value read from these bits is always 0. Do not set these bits.
Endpoint Number Bits
Set this field with the number of the endpoint which should be accessed when
reading or writing to registers UEPSTAX, UEPDATX, UBYCTX or UEPCONX.
EWUPCPU
5
5
-
EEORINT
4
4
-
ESOFINT
3
3
-
AT8xC51SND1C
2
2
-
-
EPNUM1
1
1
-
EPNUM0
ESPINT
0
0
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