UPSD3422_06 Datasheet, PDF (54/293 Pages) STMicroelectronics – Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic

Interrupt system
uPSD34xx
Flag Bit Name
Interrupt Polling Vecto
Source Priority r Addr
(SFR.bit
position)
1 = Intr
Pending
0 = No
Interrupt
Flag Bit
Auto-
Cleared
by
Hardware?
Enable Bit Name
(SFR.bit
position)
1 = Intr Enabled
0 = Intr Disabled
Priority Bit
Name
(SFR.bit
position)
1= High Priority
0 = Low Priority
PCA
11
005Bh
OFVx, INTFx
(PCASTA[0:7])
No
RI (SCON1.0)
UART1 12 (low) 004Bh
No
TI (SCON1.1)
EPCA (IEA.5) PPCA (IPA.5)
ES1 (IEA.4)
PS1 (IPA.4)
Note: 1 See USB interrupt flag registers UIF0-3.
Figure 13. Enabling and polling interrupts
Interrupt
Sources
IE/IEA
Reserved
Ext
INT0
IP/IPA
Priority
High
Low
Timer 0
Ext
INT1
Timer 1
UART0
Timer 2
SPI
USB
I²C
ADC
PCA
UART1
Global
Enable
AI07844
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