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19-3994; Rev 0; 2/06
General Description
The MAX7349 evaluation kit (EV kit) is an assembled
and tested circuit board that demonstrates the
MAX7349 2-wire-interfaced, low-EMI key switch and
sounder controller. Windows
provides a handy user interface to exercise the features
of the MAX7349.
Windows is a registered trademark of Microsoft Corp.
DESIGNATION
QTY
0.1µF, 10V min X7R ceramic
C1, C12–C16,
capacitors (0603)
8
C23, C24
TDK C1608X7R1E104K
22µF, 16V ceramic capacitor (1210)
TDK C3225X5R1C226K
C3
1
TDK C3225X5R1C226M
0.033µF, 6.3V min X7R ceramic
capacitor (0603)
C5
1
TDK C1608X7R1E333K
Murata GRM188R71E333K
Taiyo Yuden EMK107BJ333KA
22pF C0G ceramic capacitors (0603)
TDK C1608C0G1H220J
C6, C7
2
Murata GRM1885C1H220J
10pF C0G ceramic capacitors (0603)
Murata GRM1885C1H100J
C8, C9
2
TDK C1608C0G1H100J
1µF, 6.3V min X7R ceramic
capacitors (0603)
C18, C19
2
TDK C1608X5R0J105K
Murata GRM188R60J105K
Taiyo Yuden JMK107BJ105MA
0.22µF ceramic capacitor (0603),
C31
0
not installed
TDK C1608X7R1A224K
0.068µF ceramic capacitor (0603),
C32
0
not installed
TDK C1608X7R1E683K
0.022µF ceramic capacitor (0603),
C33
0
not installed
TDK C1608X7R1H223K
________________________________________________________________ Maxim Integrated Products
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.
®
98SE/2000/XP software
DESCRIPTION
MAX7349 Evaluation Kit
♦ Proven PC Board Layout
♦ Complete Evaluation System
♦ 7 x 8 Key Matrix Included
♦ Sounder Included
♦ Fully Assembled and Tested
PART
TEMP RANGE
MAX7349EVKIT
DESIGNATION
QTY
C34
0
C35
0
H1, H2
2
JU1
1
JU2, JU3, JU6
3
JU4, JU5, JU9,
4
JU10
JU7, JU8, JU11
0
KEY0–KEY55
56
LED1, LED2
2
P1
1
P2
1
P5 (JTAG)
0
R1
1
R2, R5, R6
3
R7, R8, R9
3
R12, R13
2
R14, R15
2
R21
0
Features
Ordering Information
INTERFACE TYPE
0°C to +70°C
Windows software
Component List
DESCRIPTION
220pF ceramic capacitor (0603),
not installed
TDK C1608X7R1H221K
0.1µF ceramic capacitor (0603),
not installed
TDK C1608X7R1C104K
12-pin headers
2 x 4 dual-row vertical header
3-pin headers
2-pin headers
2-pin headers, not installed
M om entar y 6m m p ushb utton sw i tches
Omron B3F1000
Red LEDs (T1-3/4)
Pizeoelectric sounder
Murata PKM22EPPH-4001-B0
USB series B right-angle PC mount
receptacle
Vertical header, 2 x 5 pins, keyed
pin 7
2.2kΩ ±5% resistor (1206)
1.5kΩ ±5% resistors (1206)
470Ω ±5% resistors (1206)
27Ω ±5% resistors (1206)
10kΩ ±5% resistors (1206)
2.61kΩ ±1% resistor (1206),
not installed
1
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Related Manuals for Maxim MAX7349
Summary of Contents for Maxim MAX7349
- Page 1 10kΩ ±5% resistors (1206) 0.022µF ceramic capacitor (0603), 2.61kΩ ±1% resistor (1206), not installed not installed TDK C1608X7R1H223K ________________________________________________________________ Maxim Integrated Products 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.
- Page 2 3) Connect the USB cable between the MAX7349 EV kit Note: Indicate that you are using the MAX7349 when contacting and the computer. When you plug in the MAX7349 EV kit these component suppliers. board for the first time, the Windows plug-and-play system detects the new hardware and automatically runs the Add New Hardware Wizard.
- Page 3 DDIO trace cut open Not installed* DDIO PC board ≤ V Power to MAX7349. Must be provided externally. V DDIO trace cut open Pins 1 and 2* SDA. Connected to on-board pullup resistor. No shunt SDA. Pullup resistor must be provided externally.
- Page 4 The MAX7349 (U1) scans a matrix of keys (KEY0–KEY55). The evaluation kit provides a 7 x 8 matrix of keys, Connecting to Hardware although the MAX7349 is capable of scanning an 8 x 8 The software automatically searches for the MAX7349 matrix. To demonstrate general-purpose output capabili- EV kit hardware when launched.
- Page 5 MAX7349 Evaluation Kit Figure 1. The MAX7349 Evaluation Software’s Main Window Provides Direct Access to All Registers and Controls the Interrupt Response MAXQ-JTAG-001 board. The firmware loaded on this lated by using a subset of the MAX7349 pins and regis- board is identical to the CMAXQUSB interface module.
- Page 6 MAX7349 Evaluation Kit Table 2. Pin Configuration when Emulating Other Devices MAX7349 EV KIT SIGNAL MAX7348 FUNCTION MAX7347 FUNCTION COL7/PORT7 — — — — ROW0 ROW0 ROW0 ROW1 ROW1 ROW1 ROW2 ROW2 ROW2 ROW3 ROW3 ROW3 COL3/PORT3 COL3/PORT3 — —...
- Page 7 MAX7349 Evaluation Kit Table 3. Registers Affected when Emulating Other Devices C ADDRESS REGISTER MAX7348 MAX7347 0111 xx0 R/W 0 FIFO — — No COL7/PORT7 No COL7/PORT7 No COL6/PORT6 0111 xx0 R/W 1 Debounce / Port Enable No COL6/PORT6 No COL5/PORT5...
- Page 8 MAX7349 Evaluation Kit Figure 2. MAX7349 EV Kit Schematic (Sheet 1 of 4) _______________________________________________________________________________________...
- Page 9 MAX7349 Evaluation Kit Figure 2. MAX7349 EV Kit Schematic (Sheet 2 of 4) _______________________________________________________________________________________...
- Page 10 SEG18/P2.2 P6.1/T1/INT13 SEG19/P2.3 P6.0/T1B/INT12 MAXQ2000–RAX SEG20/P2.4 P5.7/MISO EXPOSED PADDLE CONNECTS TO GND SEG21/P2.5 P5.6/SCLK SEG22/P2.6 P5.5/MOSI SEG23/P2.7 SP5.4/SS SEG24/P3.0 P5.3/TX1/INT11 U1P53 SEG25/P3.1 P5.2/RX1/INT10 U1P52 SEG26/P3.2 32KIN SEG27/P3.3 32.768kHz 32KOUT Figure 2. MAX7349 EV Kit Schematic (Sheet 3 of 4) ______________________________________________________________________________________...
- Page 11 MAX7349 Evaluation Kit Figure 2. MAX7349 EV Kit Schematic (Sheet 4 of 4) ______________________________________________________________________________________...
- Page 12 MAX7349 Evaluation Kit Figure 3. MAX7349 EV Kit Component Placement Guide—Component Side ______________________________________________________________________________________...
- Page 13 MAX7349 Evaluation Kit Figure 4. MAX7349 EV Kit PC Board Layout—Component Side ______________________________________________________________________________________...
- Page 14 Figure 5. MAX7349 EV Kit PC Board Layout—Solder Side Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.