AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 119

• Manufacturer Part Number: AT89C5122
• Description: MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
• Manufacturer: ATMEL [ATMEL Corporation]

4202D–SCR–06/05
Table 66. USB Global Interrupt Enable Register - USBIEN (S:BEh)
Reset Value = 0001 0000b
Table 67. USB Address Register - USBADDR (S:C6h)
Reset Value = 1000 0000b
Bit Number
Number
Bit
6-0
FEN
7 - 6
2-1
7
7
7
-
5
4
3
0
Mnemonic Description
UADD[6:0]
Mnemonic Description
EWUPCPU
EEORINT
ESOFINT
UADD6
ESPINT
FEN
Bit
Bit
6
6
-
-
-
Function Enable
Set this bit to enable the function. FADD is reset to 1.
Cleared this bit to disable the function.
USB Address
This field contains the default address (0) after power-up or USB bus reset.
It should be written with the value set by a SET_ADDRESS request received by
the device firmware.
Reserved
The value read from these bits is always 0. Do not change these bits.
Enable Wake-up CPU Interrupt
Set this bit to enable Wake-up CPU Interrupt.
Clear this bit to disable Wake-up CPU Interrupt.
Enable End of Reset Interrupt
Set this bit to enable End of Reset Interrupt. This bit is set after reset.
Clear this bit to disable End of Reset Interrupt.
Enable SOF Interrupt
Set this bit to enable SOF Interrupt.
Clear this bit to disable SOF Interrupt.
Reserved
The value read from these bits is always 0. Do not change these bits.
Enable Suspend Interrupt
Set this bit to enable Suspend Interrupts (See Table 65 on page 118).
Clear this bit to disable Suspend Interrupts.
EWUPCPU
UADD5
5
5
EEORINT
UADD4
4
4
ESOFINT
UADD3
3
3
UADD2
2
2
-
UADD1
1
1
-
ESPINT
UADD0
0
0
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