AT89C5132-ROTIL datasheet(75/182 Pages) ATMEL

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4173E–USB–09/07

AT89C5132

Reset Value = 0001 0000b

Table 60. UEPNUM Register

UEPNUM (S:C7h) – USB Endpoint Number

Reset Value = 0000 0000b

Table 61. UEPCONX Register

UEPCONX (S:D4h) – USB Endpoint X Control Register (X = EPNUM set in UEPNUM)

Bit

Number

Bit

Mnemonic

Description

7-6

Reserved

The values read from these Bits are always 0. Do not set these Bits.

EWUPCPU

Wake up CPU Interrupt Enable Bit

Set to enable the Wake Up CPU interrupt.

Clear to disable the Wake Up CPU interrupt.

EEOFINT

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.

ESOFINT

Start Of Frame Interrupt Enable Bit

Set to enable the SOF interrupt.

Clear to disable the SOF interrupt.

2-1

Reserved

The values read from these Bits are always 0. Do not set these Bits.

ESPINT

Suspend Interrupt Enable Bit

Set to enable Suspend interrupt.

Clear to disable Suspend interrupt.

EPNUM1

EPNUM0

Bit

Number

Bit

Mnemonic Description

7 - 2

Reserved

The values read from these Bits are always 0. Do not set these Bits.

1 - 0

EPNUM1:0

Endpoint Number Bits

Set this field with the number of the endpoint which shall be accessed when

reading or writing to registers UEPSTAX, UEPDATX, UBYCTLX or UEPCONX.

EPEN

DTGL

EPDIR

EPTYPE1

EPTYPE0

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