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UPSD3422 Datasheet(PDF) 54 Page - STMicroelectronics

Part # UPSD3422
Description  Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic
PDF  293 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3422 Datasheet(HTML) 54 Page - STMicroelectronics

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Interrupt system
uPSD34xx
54/293
Note:
1
See USB interrupt flag registers UIF0-3.
Figure 13.
Enabling and polling interrupts
PCA
11
005Bh
OFVx, INTFx
(PCASTA[0:7])
No
EPCA (IEA.5)
PPCA (IPA.5)
UART1
12 (low) 004Bh
RI (SCON1.0)
TI (SCON1.1)
No
ES1 (IEA.4)
PS1 (IPA.4)
Interrupt
Source
Polling
Priority
Vecto
r Addr
Flag Bit Name
(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
Reserved
Ext
INT0
Ext
INT1
Timer 0
UART0
Timer 1
SPI
USB
Timer 2
High
Low
Interrupt
Sources
IE/IEA
IP/IPA
Priority
Global
Enable
ADC
PCA
I
2C
UART1
AI07844



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