Evaluation Board User Guide
UG-176
One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Te l: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
ADuC7023 Evaluation Board User Guide
MicroConverter ADuC7023 Development System
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. 0 | Page 1 of 16
FEATURES
2-layer printed circuit board (PCB), 4 inch × 5 inch form factor
USB power supply regulated to 3.3 V on board
USB-to-I
2
C programming interface on board
20-pin standard JTAG connector for programming/
debugging
Demonstration circuit
32.768 kHz watch crystal to drive the PLL clock
ADR291 2.5 V external reference chip
Reset/download/IRQ0 push buttons
Power indicator/general-purpose LEDs
Access to all ADC inputs and DAC outputs from external header;
all device ports are routed to external header pins
Surface-mount and through-hole, general-purpose
prototype area
The full evaluation kit also includes:
mIDAS-Link JTAG programming POD
CD containing evaluation software, including user
manuals, data sheets, example code, I2CWSD, and
evaluation compilers
USB cable
GENERAL DESCRIPTION
This user guide refers to the ADuC7023 evaluation boards
provided in the EVAL-ADuC7023QSPZ (32-lead LFCSP device
based) and the EVAL-ADuC7023QSPZ1 (40-lead LFCSP device
based) kits. These evaluation boards allow for the evaluation of
the MicroConverter® ADuC7023. The ADuC7023 contains an
ARM7TDMI core, 64 kB of Flash, 8 kB of SRAM, a 12-bit, 1 MSPS
SAR analog-to-digital converter (ADC), and 4 × 12-bit voltage
digital-to-analog converters (DACs), plus many other features.
These evaluation boards allow users to program the ADuC7023
via the JTAG or the I
2
C interfaces. Users may also debug their
source code through the JTAG interface.
In this user guide, all references to the physical orientation of
components on the boards are made with respect to a component-
side view of the board with the prototype area appearing in the
bottom of the board.
The boards are laid out to minimize coupling between the analog
and digital sections of the board. To this end, the ground plane
is split with the analog section on the left side and a digital
plane on the right side of the board. The regulated 3.3 V power
supply is routed directly to the digital section and is filtered
before being routed into the analog section of the board.
