Maxim MAX7349 Manual Download Page 1

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

®

98SE/2000/XP software

provides a handy user interface to exercise the features
of the MAX7349.

Features

Proven PC Board Layout

Complete Evaluation System

7 x 8 Key Matrix Included

Sounder Included

Fully Assembled and Tested

Evaluates: MAX7349/Emulates: MAX7347/MAX7348

MAX7349 Evaluation Kit

________________________________________________________________

Maxim Integrated Products

1

19-3994; Rev 0; 2/06

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.

Ordering Information

PART

TEMP RANGE

INTERFACE TYPE

MAX7349EVKIT

0°C to +70°C

Windows software

DESIGNATION

QTY

DESCRIPTION

C1, C12–C16,

C23, C24

8

0.1µF, 10V min X7R ceramic
capacitors (0603)
TDK C1608X7R1E104K

C3

1

22µF, 16V ceramic capacitor (1210)
TDK C3225X5R1C226K
TDK C3225X5R1C226M

C5

1

0.033µF, 6.3V min X7R ceramic
capacitor (0603)
TDK C1608X7R1E333K
Murata GRM188R71E333K
Taiyo Yuden EMK107BJ333KA

C6, C7

2

22pF C0G ceramic capacitors (0603)
TDK C1608C0G1H220J
Murata GRM1885C1H220J

C8, C9

2

10pF C0G ceramic capacitors (0603)
Murata GRM1885C1H100J
TDK C1608C0G1H100J

C18, C19

2

1µF, 6.3V min X7R ceramic
capacitors (0603)
TDK C1608X5R0J105K
Murata GRM188R60J105K
Taiyo Yuden JMK107BJ105MA

C31

0

0.22µF ceramic capacitor (0603),
not installed
TDK C1608X7R1A224K

C32

0

0.068µF ceramic capacitor (0603),
not installed
TDK C1608X7R1E683K

C33

0

0.022µF ceramic capacitor (0603),
not installed
TDK C1608X7R1H223K

Windows is a registered trademark of Microsoft Corp.

Component List

DESIGNATION

QTY

DESCRIPTION

C34

0

220pF ceramic capacitor (0603),
not installed
TDK C1608X7R1H221K

C35

0

0.1µF ceramic capacitor (0603),
not installed
TDK C1608X7R1C104K

H1, H2

2

12-pin headers

JU1

1

2 x 4 dual-row vertical header

JU2, JU3, JU6

3

3-pin headers

JU4, JU5, JU9,

JU10

4

2-pin headers

JU7, JU8, JU11

0

2-pin headers, not installed

KEY0–KEY55

56

M om entar y 6m m  p ushb utton sw i tches
Omron B3F1000

LED1, LED2

2

Red LEDs (T1-3/4)

P1

1

Pizeoelectric sounder
Murata PKM22EPPH-4001-B0

P2

1

USB series B right-angle PC mount
receptacle

P5 (JTAG)

0

Vertical header, 2 x 5 pins, keyed
pin 7

R1

1

2.2k

 ±5% resistor (1206)

R2, R5, R6

3

1.5k

 ±5% resistors (1206)

R7, R8, R9

3

470

 ±5% resistors (1206)

R12, R13

2

27

 ±5% resistors (1206)

R14, R15

2

10k

 ±5% resistors (1206)

R21

0

2.61k

 ±1% resistor (1206),

not installed

Summary of Contents for MAX7349

Page 1: ...333KA C6 C7 2 22pF C0G ceramic capacitors 0603 TDK C1608C0G1H220J Murata GRM1885C1H220J C8 C9 2 10pF C0G ceramic capacitors 0603 Murata GRM1885C1H100J TDK C1608C0G1H100J C18 C19 2 1 F 6 3V min X7R cer...

Page 2: ...allation Windows XP shows a warning message indicating that the MAX7349 Evaluation Kit 2 _______________________________________________________________________________________ DESIGNATION QTY DESCRIP...

Page 3: ...x7E Pins 5 and 6 AD0 VDD I2C address 0x74 0x76 JU1 Pins 7 and 8 AD0 SDA I2C address 0x78 0x7A Pins 1 and 2 Pizeo Sounder P1 driven directly by SOUNDER output JU2 Pins 2 and 3 Pizeo Sounder P1 driven t...

Page 4: ...takes when INT is active History Window Each register read or write event is recorded in a scrol lable text window underneath the interrupt handler actions Keyboard Navigation When you type on the PC...

Page 5: ...h ROW0 the MAX7348 can be emu lated by using a subset of the MAX7349 pins and regis ter bits See Tables 2 and 3 Emulating the MAX7347 The MAX7347 behaves just like the MAX7349 except it has fewer colu...

Page 6: ...RT7 2 ROW0 1 ROW0 1 ROW0 3 ROW1 2 ROW1 2 ROW1 4 ROW2 3 ROW2 3 ROW2 5 ROW3 4 ROW3 4 ROW3 6 COL3 PORT3 5 COL3 PORT3 7 COL4 PORT4 6 COL4 PORT4 8 ROW4 7 ROW4 5 ROW4 9 ROW5 8 ROW5 6 ROW5 10 ROW6 9 ROW6 7 R...

Page 7: ...R W 0 FIFO 0111 xx0 R W 1 Debounce Port Enable No COL7 PORT7 No COL6 PORT6 No COL5 PORT5 No COL7 PORT7 No COL6 PORT6 No COL5 PORT5 No COL4 PORT4 No COL3 PORT3 0111 xx0 R W 2 Auto Repeat 0111 xx0 R W...

Page 8: ...H1 12 U1 MAX7349 1 2 3 VDD JU3 VDD C1 0 1 F VDD VDD R9 470 LED2 RED COL7 PORT7 1 2 3 VDD JU6 INTVDD INT R15 10k JU1 5 JU1 6 JU1 8 JU1 7 JU1 3 JU1 1 JU1 HEADER 2 x 4 JU1 4 JU1 2 SCL AD0 SDA VDD VDD SO...

Page 9: ...2 1 KEY40 ROW0 COL4 PORT4 KEY39 2 1 ROW7 2 1 KEY38 ROW6 2 1 KEY37 ROW5 2 1 KEY36 ROW4 2 1 KEY35 ROW3 2 1 KEY34 ROW2 2 1 KEY33 ROW1 2 1 KEY32 ROW0 COL3 PORT3 KEY31 2 1 ROW7 2 1 KEY30 ROW6 2 1 KEY29 RO...

Page 10: ...12 43 P5 7 MISO 41 P5 6 SCLK 40 P5 5 MOSI 39 SP5 4 SS 38 P5 3 TX1 INT11 37 P5 2 RX1 INT10 36 2 5V VDDIO EXPOSED PADDLE CONNECTS TO GND 35 32KIN 34 32KOUT Y3 32 768kHz C24 0 1 F VDDIO C23 0 1 F 2 5V SD...

Page 11: ...AVVC 26 13 Y2 6MHz C6 22pF C7 22pF VDDIO RTS CTS DTR DSR DCD TXLED RSTOUT RESET RXLED 15 10 PWRCTL PWREN SLEEP RI C15 0 1 F C12 0 1 F C14 0 1 F C13 0 1 F R7 470 R12 27 R13 27 C5 0 033 F R2 15k P2 3 P2...

Page 12: ...MAX7349 Emulates MAX7347 MAX7348 MAX7349 Evaluation Kit 12 ______________________________________________________________________________________ Figure 3 MAX7349 EV Kit Component Placement Guide Comp...

Page 13: ...ates MAX7349 Emulates MAX7347 MAX7348 MAX7349 Evaluation Kit ______________________________________________________________________________________ 13 Figure 4 MAX7349 EV Kit PC Board Layout Component...

Page 14: ...the circuitry and specifications without notice at any time 14 ____________________Maxim Integrated Products 120 San Gabriel Drive Sunnyvale CA 94086 408 737 7600 2006 Maxim Integrated Products Printe...

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