ADUC814BRU Analog Devices Inc, ADUC814BRU Datasheet - Page 57

• Manufacturer Part Number: ADUC814BRU
• Description: A/D Converter (A-D) IC
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC814BRU

• Peak Reflow Compatible (260 C): No
• No. Of Bits: 12 Bit
• Leaded Process Compatible: No
• Mounting Type: Surface Mount
• No. Of Inputs: 6
• Features: +3V Or +5V Operation
• Package / Case: 28-TSSOP
• Rohs Status: RoHS non-compliant
• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 16.78MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PSM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 640 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-ADUC814QSZ - KIT DEV FOR ADUC814 MICROCONVRTR
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

INTERRUPT SYSTEM
The ADuC814 provides a total of twelve interrupt sources with two priority levels. The control and configuration of the interrupt system
is carried out through three interrupt-related SFRs.
IE
IP
IEIP2
IE
SFR Address
Power-On Default
Bit Addressable
Table 29. IE SFR Bit Designations
Bit No.
7
6
5
4
3
2
1
0
EA
Name
EA
EADC
ET2
ES
ET1
EX1
ET0
EX0
EADC
Description
Global Interrupt Enable.
Set by the user to enable all interrupt sources.
Cleared by the user to disable all interrupt sources.
ADC Interrupt.
Set by the user to enable the ADC interrupt.
Cleared by the user to disable the ADC interrupt.
Timer 2 Interrupt.
Set by the user to enable the Timer 2 interrupt.
Cleared by the user to disable the Timer 2 interrupt.
UART Serial Port Interrupt.
Set by the user to enable the UART serial port interrupt.
Cleared by the user to disable the UART serial port interrupt.
Timer 1 Interrupt.
Set by the user to enable the Timer 1 interrupt.
Cleared by the user to disable the Timer 1 interrupt.
INT1 Interrupt.
Set by the user to enable the External Interrupt 1.
Cleared by the user to disable the External Interrupt 1.
Timer 0 Interrupt.
Set by the user to enable the Timer 0 interrupt.
Cleared by the user to disable the Timer 0 interrupt.
INT0 Interrupt.
Set by the user to enable the External Interrupt 0.
Cleared by the user to disable the External Interrupt 0.
Interrupt Enable Register
Interrupt Priority Register
Secondary Interrupt Enable and Priority Register
Interrupt Enable Register
A8H
00H
Yes
ET2
ES
Rev. A | Page 57 of 72
ET1
EX1
ET0
ADuC814
EX0