Rainbow Electronics AT89C5132 - Manual (Page 79)

79
AT8xC5132
4173A–8051–08/02
Table 81. UEPIEN Register
UEPIEN (S:C2h) – USB Endpoint Interrupt Enable Register
Reset Value = 0000 0000b
Table 82. UEPDATX Register
UEPDATX (S:CFh) – USB Endpoint X FIFO Data Register (X = EPNUM set in UEPNUM)
Reset Value = XXh
7 6 5 4 3 2 1 0
- - - - EP3INTE EP2INTE EP1INTE EP0INTE
Bit
Number
Bit
Mnemonic Description
7 - 4 -
Reserved
The values read from these Bits are always 0. Do not set these Bits.
3 EP3INTE
Endpoint 3 Interrupt Enable Bit
Set to enable the interrupts for endpoint 3.
Clear to disable the interrupts for endpoint 3.
2 EP2INTE
Endpoint 2 Interrupt Enable Bit
Set to enable the interrupts for endpoint 2.
Clear this bit to disable the interrupts for endpoint 2.
1 EP1INTE
Endpoint 1 Interrupt Enable Bit
Set to enable the interrupts for the endpoint 1.
Clear to disable the interrupts for the endpoint 1.
0 EP0INTE
Endpoint 0 Interrupt Enable Bit
Set to enable the interrupts for the endpoint 0.
Clear to disable the interrupts for the endpoint 0.
7 6 5 4 3 2 1 0
FDAT7 FDAT6 FDAT5 FDAT4 FDAT3 FDAT2 FDAT1 FDAT0
Bit
Number
Bit
Mnemonic Description
7 - 0 FDAT7:0
Endpoint X FIFO Data
Data byte to be written to FIFO or data byte to be read from the FIFO, for the
Endpoint X (see EPNUM).