UPSD3212A Datasheet, PDF (37/163 Pages) STMicroelectronics – Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic

uPSD3212A, uPSD3212C, uPSD3212CV
Table 20. Description of the IE Bits.
Bit
Symbol
Function
Disable all interrupts:
7
EA
0: no interrupt with be acknowledged
1: each interrupt source is individually enabled or disabled by setting or clearing its
enable bit
6
—
Reserved
5
ET2
Enable Timer 2 Interrupt
4
ES
Enable USART Interrupt
3
ET1
Enable Timer 1 Interrupt
2
EX1
Enable External Interrupt (Int1)
1
ET0
Enable Timer 0 Interrupt
0
EX0
Enable External Interrupt (Int0)
Table 21. Description of the IEA Bits
Bit
Symbol
7
—
Not used
6
—
Not used
5
—
Not used
4
ES2
Enable 2nd USART Interrupt
3
—
Not used
2
—
Not used
1
EI2C
Enable I²C Interrupt
0
EUSB Enable USB Interrupt
Function
Table 22. Description of the IP Bits
Bit
Symbol
Function
7
—
Reserved
6
—
Reserved
5
PT2
Timer 2 Interrupt priority level
4
PS
USART Interrupt priority level
3
PT1
Timer 1 Interrupt priority level
2
PX1
External Interrupt (Int1) priority level
1
PT0
Timer 0 Interrupt priority level
0
PX0
External Interrupt (Int0) priority level
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