19-2680; Rev 0; 10/02
MAX1234 Evaluation System/Evaluation Kit
General Description
Features
o Proven PC Board Layout
o Complete Evaluation System
The MAX1234 evaluation system (EV system) consists
of a MAX1234 evaluation kit (EV kit) and a Maxim
68HC16MODULE-DIP microcontroller (µC) module. The
MAX1234 is a complete PDA controller with an integrat-
o Convenient Test Points Provided On Board
o Fully Assembled and Tested
o 4 ✕ 4 Keypad Included
®
ed touch screen and keypad interface. Windows
95/98/2000 software provides a handy user interface to
exercise the MAX1234’s features.
o Interfaces to Common 4-Wire Resistive Touch
Screens
Order the complete EV system (MAX1234EVC16) for
comprehensive evaluation of the MAX1234 using a per-
sonal computer. Order the EV kit (MAX1234EVKIT) if
the 68HC16MODULE-DIP module has already been
purchased with a previous Maxim EV system or for cus-
tom use in other µC-based systems.
Component Lists
Table 1. MAX1234 EV System
PART
QTY
DESCRIPTION
MAX1234 EV kit
68HC16 µC module
MAX1234EVKIT
68HC16MODULE-DIP
1
1
MAX1234 Stand-Alone EV Kit
The MAX1234 EV kit provides a proven PC board layout
to facilitate evaluation of the MAX1234. It must be inter-
faced to appropriate timing signals for proper opera-
tion. Connect 5V and ground return to terminal block
TB1 (see Figure 8). Refer to the MAX1234 data sheet
for timing requirements.
Table 2. MAX1234 EV Kit
DESIGNATION QTY
DESCRIPTION
C1, C2
C3,C4
C5
2
2
1
1
4
1
10µF, 10V tantalum capacitors
0.1µF, 10V X7R ceramic capacitors
Open
FB1
Ferrite bead
MAX1234 EV System
H1, H2, H3, H4
H5
7-pin headers
The MAX1234 EV system operates from a user-sup-
plied 7VDC to 20VDC power supply. Windows
95/98/2000 software running on an IBM PC interfaces to
the EV system board through the computer’s serial
communications port. See the Quick Start section for
setup and operating instructions.
0.100in header, 2 ✕ 10
0.5mm ZIP SMT flex cable connector
Digi-Key HKF20CT-ND
H6
1
Hirose FH12A-20S-0.5SH
2 ✕ 20 right-angle socket
SamTec SSW-120-02-S-D-RA
J1
JU1
K1
1
1
8
3-pin jumper
Ordering Information
Socket pins for 4 ✕ 4 keypad
Digi-Key ED5009 pin receptacles
The MAX1234 software is designed for use with the
complete EV system MAX1234EVC16, which includes the
68HC16MODULE-DIP module together with MAX1234
EVKIT. If the MAX1234 EV software is not used, the
MAX1234EVKIT board can be purchased by itself, with-
out the µC module.
4 ✕ 4 keypad, Grayhill Series 96,
front mount
Digi-Key GH5003-ND
Digi-Key GH5004-ND
K1
1
U1
U2
1
1
3
1
1
1
1
1
1
MAX1234EGT (28-pin QFN)
MAX1615EUK
Ordering Information
U3, U4, U5
TB1
MAX1840EUB or MAX1841EUB
0.200in screw terminal block
PC board
PART
TEMP RANGE
0°C to +70°C
0°C to +70°C
INTERFACE TYPE
User supplied
None
None
None
None
None
MAX1234EVKIT
MAX1234EVC16
3.5in software disk
Windows software
MAX1234 data sheet
MAX1234 EV kit data sheet
68HC16MODULE-DIP data sheet
Windows is a registered trademark of Microsoft Corp.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.