UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 43
UPSD3254
Manufacturer Part Number
UPSD3254
Description
Flash Programmable System Devices with 8032 Microcontroller Core
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.UPSD3254.pdf
(175 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPSD3254A-40T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
UPSD3254A-40U6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
UPSD3254A-40U6
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
UPSD3254BV-24U6
Manufacturer:
ST
Quantity:
3 100
Company:
Part Number:
UPSD3254BV-24U6
Manufacturer:
ST
Quantity:
875
Company:
Part Number:
UPSD3254BV-24U6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
UPSD3254BV-24U6
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
UPSD3254BV-40U6
Manufacturer:
ST
Quantity:
200
Table 21. Description of the IEA Bits
Table 22. Description of the IP Bits
Table 23. Description of the IPA Bits
Bit
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Symbol
Symbol
Symbol
EDDC
PDDC
EUSB
PUSB
EI2C
PI2C
ES2
PX1
PX0
PS2
PT2
PT1
PT0
PS
—
—
—
—
—
—
—
—
—
—
Enable DDC Interrupt
Not used
Not used
Enable 2nd USART Interrupt
Not used
Not used
Enable I²C Interrupt
Enable USB Interrupt
Reserved
Reserved
Timer 2 Interrupt priority level
USART Interrupt priority level
Timer 1 Interrupt priority level
External Interrupt (Int1) priority level
Timer 0 Interrupt priority level
External Interrupt (Int0) priority level
DDC Interrupt priority level
Not used
Not used
2nd USART Interrupt priority level
Not used
Not used
I²C Interrupt priority level
USB Interrupt priority level
UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Function
Function
Function
43/175