UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 45

• Manufacturer Part Number: UPSD3234A-40U6T
• Description: IC MCU 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3234A-40U6T

• Core Processor: 8032
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, UART/USART, USB
• Peripherals: LVR, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 288KB (288K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
Table 18.
5.9
SFR
Add
A7
A8
B7
B8
r
Name
Reg
IEA
IPA
IE
IP
Figure 15. Interrupt system
SFR register description
Interrupt priority structure
Each interrupt source can be assigned one of two priority levels. Interrupt priority levels are
defined by the interrupt priority special function register IP and IPA.
EDDC
PDDC
0 = low priority
1 = high priority
EA
—
7
—
—
—
—
6
Interrupt
Sources
ET2
PT2
USART
Timer
Timer
USART
Timer
—
—
INT0
INT1
DDC
USB
5
I2C
2nd
0
1
2
Bit Register Name
ES2
PS2
ES
PS
4
IE /
ET1
PT1
Global
Enable
—
—
3
EX1
PX1
—
—
2
IP / IPA Priority
EI
PI
ET0
PT0
1
2
2
C
C
High
EUSB
PUSB
EX0
PX0
Low
0
Interrupt system
Rese
Valu
00
00
00
00
e
t
AI06646
Comments
Interrupt
Interrupt
Interrupt
Interrupt
Priority
Priority
Enable
Enable
(2nd)
(2nd)
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