Micrel SY87729L Скачать руководство пользователя страница 12

12

SY87729/39L

 Evaluation Board

Micrel, Inc.

M9999-071906
[email protected] or (408) 955-1690

Item

Description

Qty.

C1

22

µ

F, 16V “C” Size, Tantalum Electrolytic Capacitor

1

C2, C3, C4, C5

100nF, 10V X7R Size 0603 Ceramic Capacitor

4

C6, C7, C8

0.1

µ

F, 10V Size 0805, Ceramic Bypass Capacitor

9

C9, C10, C11
C12, C13, C14

J1

Banana Jack Binding Post, Yellow or Red

1

J2

Banana Jack Binding Post, Black

1

J3–J8

SMA Edge Launch Connector

6

J9

Centronics 36-Pin Right Angle Connector

1

L1

Ferrite Bead, Size 0805

1

R1, R2

2.00k

, 1% Size 0603, 1/10W Resistor

2

R3, R4, R5

51.1

, 1% Size 0805, 1/10W Resistor

3

R6, R7, R8

10k

, 1% Size 0805, 1/10W Resistor

3

R9, R10

2.21k

, 1% Size 0805, 1/10W Resistor

2

R11

475

, 1% Size 0805, 1/10W Resistor

1

R12, R13

121

, 1% Size 0603, 1/10W Resistor

2

R14, R15

In-Line Place to Install Optional Back-Termination Resistors

2

U1

Micrel's SY87729/39L Frequency Synthesizer

1

U2

5V Tolerant Dual 4-Bit Buffer

1

U3

27.000MHz Oscillator with Differential, LVPECL Outputs, DIP-14

1

BILL OF MATERIALS

ORDERING INFORMATION

Evaluation Board Part#

IC Package

Operating Range

SY87729L–EVAL

EPAD-TQFP-32

–40

°

C to +85

°

C

SY87739L–EVAL

EPAD-TQFP-32

–40

°

C to +85

°

C

MICREL, INC.

2180 FORTUNE DRIVE

SAN JOSE, CA 95131

USA

TEL

 + 1 (408) 944-0800  

FAX

 + 1 (408) 474-1000  

WEB

 http://www.micrel.com

The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.

Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.

Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can

reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s

use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify

Micrel for any damages resulting from such use or sale.

© 2002 Micrel, Incorporated.

Содержание SY87729L

Страница 1: ...rinter cable parallel to centronics user supplied Rev B Amendment 0 Issue Date July 2006 The SY87729 39L are rate independent fractional N frequency synthesizer ICs From a single reference source they...

Страница 2: ...ength matched one foot SMA cables or a digital signal generator such as the HP8133A 3 A PC with a parallel port running Windows 4 If you are running Windows NT Windows 2000 or Windows XP you will need...

Страница 3: ...oads on the default parallel port LPT1 You may instead decide to allow downloads only on LPT2 if your computer is equipped with a second parallel port or you may also decide to allow two SY87729 39L E...

Страница 4: ...ng only LPT2 the Direct IO control panel should look like Figure 6 Figure 6 Correct I O Addresses for LPT2 Access Finally to access both LPT1 and LPT2 the Direct IO control panel should look like Figu...

Страница 5: ...zer should be used That is why the calculation module starts with the Use radio button selected in the Wrapper group box This tells the calculation module to use the wrapper synthesizer if there is so...

Страница 6: ...s output frequency are shown These parameters could be used by a firmware engineer to program an embedded processor to configure SY87729 39L In the above example the wrapper synthesizer is used to obt...

Страница 7: ...he download application Next the configuration parameters are entered Lastly the configuration is downloaded and it is verified that no errors in the configuration parameters have occurred The first s...

Страница 8: ...ly take on a value between 17 and 32 inclusive PostDiv 1 16 18 20 The value in the PostDiv configuration edit box may only be one of the values 22 24 26 28 30 32 36 listed 40 44 48 52 56 60 MDIV 15 18...

Страница 9: ...enced to VCC so the voltage to set the signal generator to depends on the value of VCC For a VCC of 3 3V the high level of the clock signal should be between 2 135V and 2 42V The low level of the cloc...

Страница 10: ...nd have the calculation module determine the configuration parameters Have the download module configure the SY87729 39L evaluation board and verify that the indicator at the upper right of the downlo...

Страница 11: ...interface pin 11 This is how the applications software determines whether or not an SY87729 39L evaluation board is attached to the parallel port 1 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 24 23 22 21...

Страница 12: ...uation Board Part IC Package Operating Range SY87729L EVAL EPAD TQFP 32 40 C to 85 C SY87739L EVAL EPAD TQFP 32 40 C to 85 C MICREL INC 2180 FORTUNE DRIVE SAN JOSE CA 95131 USA TEL 1 408 944 0800 FAX...

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