Rainbow-electronics AT89C5122 Bedienungsanleitung PDF herunterladen (Seite 119)

119

AT8xC5122/23

4202E–SCR–06/06

Reset Value = 0001 0000b

Reset Value = 1000 0000b

Table 66. USB Global Interrupt Enable Register - USBIEN (S:BEh)

- - EWUPCPU EEORINT ESOFINT - - ESPINT

Bit Number

Bit

Mnemonic Description

7 - 6 -

Reserved

The value read from these bits is always 0. Do not change these bits.

5EWUPCPU

Enable Wake-up CPU Interrupt

Set this bit to enable Wake-up CPU Interrupt.

Clear this bit to disable Wake-up CPU Interrupt.

4 EEORINT

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.

3 ESOFINT

Enable SOF Interrupt

Set this bit to enable SOF Interrupt.

Clear this bit to disable SOF Interrupt.

2-1 -

Reserved

The value read from these bits is always 0. Do not change these bits.

0 ESPINT

Enable Suspend Interrupt

Set this bit to enable Suspend Interrupts (See Table 65 on page 118).

Clear this bit to disable Suspend Interrupts.

Table 67. USB Address Register - USBADDR (S:C6h)

76543210

FEN UADD6 UADD5 UADD4 UADD3 UADD2 UADD1 UADD0

Bit

Number

Bit

Mnemonic Description

7FEN

Function Enable

Set this bit to enable the function. FADD is reset to 1.

Cleared this bit to disable the function.

6-0 UADD[6:0]

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.

1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 212 213

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