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Rev. 0.5 177
C8051F340/1/2/3/4/5/6/7
USB Register Definition 16.11. IN1INT: USB0 IN Endpoint Interrupt
USB Register Definition 16.12. OUT1INT: USB0 Out Endpoint Interrupt
Bits7–4: Unused. Read = 0000b. Write = don’t care.
Bit3: IN3: IN Endpoint 3 Interrupt-pending Flag
This bit is cleared when software reads the IN1INT register.
0: IN Endpoint 3 interrupt inactive.
1: IN Endpoint 3 interrupt active.
Bit2: IN2: IN Endpoint 2 Interrupt-pending Flag
This bit is cleared when software reads the IN1INT register.
0: IN Endpoint 2 interrupt inactive.
1: IN Endpoint 2 interrupt active.
Bit1: IN1: IN Endpoint 1 Interrupt-pending Flag
This bit is cleared when software reads the IN1INT register.
0: IN Endpoint 1 interrupt inactive.
1: IN Endpoint 1 interrupt active.
Bit0: EP0: Endpoint 0 Interrupt-pending Flag
This bit is cleared when software reads the IN1INT register.
0: Endpoint 0 interrupt inactive.
1: Endpoint 0 interrupt active.
RRRRRRRRReset Value
- - - - IN3 IN2 IN1 EP0 00000000
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 USB Address:
0x02
Bits7–4: Unused. Read = 0000b. Write = don’t care.
Bit3: OUT3: OUT Endpoint 3 Interrupt-pending Flag
This bit is cleared when software reads the OUT1INT register.
0: OUT Endpoint 3 interrupt inactive.
1: OUT Endpoint 3 interrupt active.
Bit2: OUT2: OUT Endpoint 2 Interrupt-pending Flag
This bit is cleared when software reads the OUT1INT register.
0: OUT Endpoint 2 interrupt inactive.
1: OUT Endpoint 2 interrupt active.
Bit1: OUT1: OUT Endpoint 1 Interrupt-pending Flag
This bit is cleared when software reads the OUT1INT register.
0: OUT Endpoint 1 interrupt inactive.
1: OUT Endpoint 1 interrupt active.
Bit0: Unused. Read = 0; Write = don’t care.
RRRRRRRRReset Value
----OUT3OUT2OUT1-00000000
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 USB Address:
0x04