
148
AT85C51SND3Bx
7632A–MP3–03/06
Reset Value = 0000 0000b
Table 153. UPINT Register
UPINT (1.D6h) – USB Pipe IN Number Of Request Register
7 6 5 4 3 2 1 0
- PINT6 PINT5 PINT4 PINT3 PINT2 PINT1 PINT0
Bit
Number
Bit
Mnemonic
Description
7 -
Reserved
The value read from this bit is always 0. Do not set this bit.
6-0 PINT6:0
Pipe Interrupts Bits
Set by hardware when an interrupt is triggered by the UPINTX register and if the
corresponding endpoint interrupt enable bit is set.
Cleared by hardware when the interrupt source is served.
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