ADUC814BRU Analog Devices Inc, ADUC814BRU Datasheet - Page 3

• 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

REVISION HISTORY
12/03 – Data Sheet Changed from REV. 0 to REV. A
Added detailed description of product ........................... Universal
Changes to Specifications.................................................................4
Updated Outline Dimensions........................................................70
Changes to Ordering Guide...........................................................71
Serial Peripheral Interface..........................................................44
I
8051 Compatible On-Chip Peripherals....................................47
Timers/Counters .........................................................................48
Timer/Counter 0 and 1 Operating Modes...............................50
Timer/Counter 2 Operating Modes .........................................52
UART Serial Interface.................................................................53
2
C Compatible Interface............................................................46
MISO (Master In, Slave Out Data I/O Pin) .........................44
MOSI (Master Out, Slave In Pin)..........................................44
SCLOCK (Serial Clock I/O Pin) ...........................................44
SS (Slave Select Input Pin) .....................................................44
Using the SPI Interface...........................................................45
SPI Interface—Master Mode .................................................45
SPI Interface—Slave Mode ....................................................45
Parallel I/O Ports 1 and 3.......................................................47
Additional Digital Outputs Pins ...........................................47
Timer/Counter 0 and 1 Data Registers ................................49
Mode 0 (13-Bit Timer/Counter) ...........................................50
Mode 1 (16-Bit Timer/Counter) ...........................................50
Mode 2 (8-Bit Timer/Counter with Autoreload)................50
Mode 3 (Two 8-Bit Timer/Counters)...................................50
Timer/Counter 2 Data Registers...........................................51
16-Bit Autoreload Mode.........................................................52
16-Bit Capture Mode ..............................................................52
Rev. A | Page 3 of 72
ADuC814 Hardware Design Considerations ..............................60
Timing Specifications .....................................................................64
Outline Dimensions........................................................................70
Interrupt System..........................................................................57
Clock Oscillator...........................................................................60
Power Supplies.............................................................................60
Power Consumption...................................................................60
Other Hardware Considerations...............................................62
Ordering Guide ...........................................................................71
SBUF.........................................................................................53
Mode 0: 8-Bit Shift Register Mode .......................................54
Mode 1: 8-Bit UART, Variable Baud Rate ............................54
Mode 2: 9-Bit UART with Fixed Baud Rate ........................55
Mode 3: 9-Bit UART with Variable Baud Rate....................55
UART Serial Port Baud Rate Generation ............................55
Timer 2 Generated Baud Rates .............................................56
Interrupt Priority ....................................................................59
Interrupt Vectors.....................................................................59
Power-Saving Modes ..............................................................61
Power-On Reset ......................................................................61
Grounding and Board Layout Recommendations .............61
In-Circuit Serial Download Access ......................................62
Embedded Serial Port Debugger ..........................................62
Single-Pin Emulation Mode ..................................................63
ADuC814