UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 43
UPSD3234A-40U6T
Manufacturer Part Number
UPSD3234A-40U6T
Description
IC MCU 8032 64KB FLASH 80TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3234A-40U6T.pdf
(189 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPSD3234A-40U6T
Manufacturer:
STMicroelectronics
Quantity:
10 000
- Current page: 43 of 189
- Download datasheet (2Mb)
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
5
5.1
5.2
5.3
5.4
Interrupt system
There are interrupt requests from 10 sources as follows.
●
●
●
●
●
●
●
●
●
●
External Int0 interrupt
●
●
●
Timer 0 and 1 interrupts
●
●
Timer 2 interrupt
●
●
I
●
●
2
C interrupt
INT0 external interrupt
2nd USART interrupt
Timer 0 interrupt
I
INT1 external interrupt (or ADC interrupt)
DDC interrupt
Timer 1 interrupt
USB interrupt
USART interrupt
Timer 2 interrupt
The INT0 can be either level-active or transition-active depending on Bit IT0 in register
TCON. The flag that actually generates this interrupt is Bit IE0 in TCON.
When an external interrupt is generated, the corresponding request flag is cleared by
the hardware when the service routine is vectored to only if the interrupt was transition
activated.
If the interrupt was level activated then the interrupt request flag remains set until the
requested interrupt is actually generated. Then it has to deactivate the request before
the interrupt service routine is completed, or else another interrupt will be generated.
Timer 0 and Timer 1 Interrupts are generated by TF0 and TF1 which are set by an
overflow of their respective Timer/Counter registers (except for Timer 0 in Mode 3).
These flags are cleared by the internal hardware when the interrupt is serviced.
Timer 2 Interrupt is generated by TF2 which is set by an overflow of Timer 2. This flag
has to be cleared by the software - not by hardware.
It is also generated by the T2EX signal (Timer 2 External Interrupt P1.1) which is
controlled by EXEN2 and EXF2 Bits in the T2CON register.
The interrupt of the I
This flag is cleared by hardware.
2
C interrupt
2
C is generated by Bit INTR in the register S2STA.
Interrupt system
43/189
Related parts for UPSD3234A-40U6T
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
IC FLASH/MCU 64K 52 TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
IC FLASH/MCU 64K 80 TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 8BIT 256K FLASH 40MHZ 52TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
Manufacturer:
STMicroelectronics
Part Number:
Description:
Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
Manufacturer:
STMicroelectronics
Part Number:
Description:
STMicroelectronics [RIPPLE-CARRY BINARY COUNTER/DIVIDERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
STMicroelectronics [LIQUID-CRYSTAL DISPLAY DRIVERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
BOARD EVAL FOR MEMS SENSORS
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
NPN TRANSISTOR POWER MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Manufacturer:
STMicroelectronics
Datasheet: