UPSD3212C-40U6(2009) 查看數據表（PDF） - STMicroelectronics

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UPSD3212C-40U6
(Rev.:2009)

Flash programmable system devices with 8032 MCU and USB and programmable logic

STMicroelectronics 

Interrupt system

UPSD3212A, UPSD3212C, UPSD3212CV

Table 21.

Bit

7

6

5

4

3

2

1

0

Description of the IEA bits

Symbol

—

—

—

ES2

—

—

EI2C

EUSB

Not used

Not used

Not used

Enable 2nd USART Interrupt

Not used

Not used

Enable I²C Interrupt

Enable USB Interrupt

Function

Table 22.

Bit

7

6

5

4

3

2

1

0

Description of the IP bits

Symbol

Function

—

Reserved

—

Reserved

PT2 Timer 2 Interrupt priority level

PS USART Interrupt priority level

PT1 Timer 1 Interrupt priority level

PX1 External Interrupt (Int1) priority level

PT0 Timer 0 Interrupt priority level

PX0 External Interrupt (Int0) priority level

Table 23.

Bit

7

6

5

4

3

2

1

0

Description of the IPA bits

Symbol

Function

—

Not used

—

Not used

—

Not used

PS2 2nd USART Interrupt priority level

—

Not used

—

PI2C

Not used

I²C Interrupt priority level

PUSB USB Interrupt priority level

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