C8051F38C-GMR 查看數據表（PDF） - Silicon Laboratories

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C8051F38C-GMR

Full Speed USB Flash MCU Family

Silicon Laboratories 

C8051F380/1/2/3/4/5/6/7/C

USB Register Definition 21.11. IN1INT: USB0 IN Endpoint Interrupt

Bit

7

6

5

4

3

2

1

0

Name

IN3

IN2

IN1

EP0

Type

R

R

R

R

R

R

R

R

Reset

0

0

0

0

0

0

0

0

USB Register Address = 0x02

Bit Name

Function

7:4 Unused Read = 0000b. Write = don’t care.

3

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.

2

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.

1

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.

0

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.

Rev. 1.4

187

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