Seeed Studio LA104 User manual

Download

LA104 Logic Analyzer User Manual

Please read this manual before using this device.

V1 .0

Thi s user manual is based on APP1.01.

目

录

Safety S tat ement

2. Produ ct In troduct ion

3. Inter fac e

4. Detai led I nstruct ions

5. Technic al Su pport

6. Legal S tat ements

P16

P20

P22

Safety Statement

In order t o ens ure the cor rect and sa fe use of thi s pro duct, ple ase read an d comply wi th th e follow ing s afety pre caution s. Damage c aus ed by any vio lations o f the follo win g safety pr ecautio ns will be bo rne b y User.

1. Safety Statement

Read car efu lly all the f ollowin g safety pr eca utions to a void pers ona l inju ry an d prevent damage t o the d evice or an y product s connect ed to i t.

1. 1 Use proper power cord

Please u se po wer cord sp ecified f or this pro duc t and certi fied for yo ur countr y/d istrict o f use.

1. 2 Comply With Al l Terminal Ratings

To avoid fir e or el ectric sh ock, plea se comply w ith a ll termin al rating s and marki ng instru cti ons, avoi ding dama ging the de vic e. Before c onnecti ng device s, pl ease cons ult the prod uct m anual or pr oduct lab el first to k now t he inform ation abo ut the rati ngs .

1. 3 Connect and Disconnect Measuring Cables Correctly

Before c onn ecting/ disconn ecting me asu ring cabl es, pleas e turn off th e power of th e measur ed ci rcuit, tu rn on the pow er after co rre ctly conn ecting.

1. 4 Use Proper Over Voltage Protection

Make sur e no ov er voltag e (such as vo ltage cau sed b y lighten ing) can re ach the dev ice , otherw ise , user may ge t an electr ic shock.

1. 5 Do Not Operate With Opening Back Case

1. 6 Avo id Ex pos ure o f Cir cui t

When Pow er is o n, do not tou ch the expo sed joint s or co mponent s. If suspe ct fa ilure of de vice, sto p operati ng de vice. Ple ase conta ct your sel ler f or produc t testin g, ma intaini ng, adjus tment or pa rts r eplacin g.

1. 7 Do Not Operate in Wet or Inflammable/Explosive Conditions

1. 8 Keep Product Surface Clean And D ry

1. 9 Take On Antistatic Protection

Static e lec tricity m ay cause da mage to dev ice , please op erate in an tistati c spa ce. When con nec ting devi ces, both i nternal a nd ex ternal co nductor s should be e art hed brief ly to releas e sta tic elect ricity.

2. Product Operation Att ent ion s

Keep awa y fro m bad envir onment. K eep away fr om di rect sunl ight, hea t sources , hea vy smoke, s tea m, cor ros ive or flam mable gas es, s trong mag netic sou rces, hig h pre ssure equipm ent o r power lin es, water, o il, chemi cal s or places a like; Enviro nme ntal temp erature a nd enviro nme ntal humi dity. Suitab le te mperatu re: 10~50℃, humidi ty: 1 0~90%RH .

Product Introduction

1. Brief Introduction

LA104 is a c omp act, p ort able logi c analyze r wit h a display s creen. It i s widely ap pli ed to a variet y of in dustrie s and field s, such as au tom otive ele ctronic s, commun ica tion, pow er supply and comp ute r.

2. Function

Logic an aly zer is used t o analyze t he logic re lat ionship o f digital s ystems, a s it ca n collect and stor e mul tichann el digita l signals a nd di rectly di splay the ir sequen tia l relatio nship on th e screen . The logic a nalyzer i s equ ipped wit h the funct ion of prot oco l analysi s, and can pa rse logic signal o f the p rotocol 's physic al layer in to da ta of the hig h layer pro tocol and d isp lay them on t he screen .

3. Parameters

Measur ing I nput

Parame ter s

Output P ara meters

Channe l

Max Samp lin g Rate

Min Capt ure d Pulse wid th

Input Vol tag e Range

Equiva len t Input Imp edance

Thresh old Vo ltage

Progra mma ble Outpu t Channel

Progra mma ble Outpu t Type

Progra mma ble Outpu t Amplit ude

3V Power O utp ut Channe l

Fig 2.1 Fu nct ional Par ameters

100M Sa/ S

10ns

0-5V

1MΩ

1.2-3V

PWM,SP I,I 2C,U ART

Storag e

Batter y

Displa y

Size

4. Interfaces & Buttons

Measur eme nt Signal I nput/ Logic Da ta Ou tput

Built- in 8M F lash Stor age

Built- in 50 0mAh Lith ium Batte ry

2.8 ’ Colo r LCD S creen

’

100mm* 56. 6mm*8.4 mm

Fig 2.2 Pr odu ct Specif ication s

Escape

Sampli ng

SMPL

Confir m

ESC

Encode r A

LA104

Encode r B

OFF

Power

Micro US B Por t

Chargi ng In dicator

Button s

SMPL

ESC

Encode r A Encode r B

Measur ing C hannel 1- 4 Ground W ire

Progra mma ble Outpu t Channel 1 -4 3V Power S our ce

Mark of Wi ths tand Vo lta ge

Pow er On/P ower Of f (If the d evice i s autom atica lly pow er off, t urn off t he devi ce

Chargi ng, c onnecti ng PC for rea ding data

Functi ons

the n turn on a gain)

Collec t/P ause

Option M enu

Quit

Confir m/E xecute

Left/R igh t Choosin g

Up/Dow n Cho osing

Button s

OK Encode r B SMPL+O K

OK+Enc ode r B-Up

OK+Enc ode r B-Down

Quick Fu nct ions

Increa se/ Decreas e the Optio n Value o f Cur rent Tim e Menu

Contin uou sly Incre ase the Opt ion Val ue of C urrent Tim e Menu

Contin uou sly Decre ase the Opt ion Val ue of C urrent Tim e Menu

Switch M enu O ptions of Ti me

Save Cur ren t Screen Pi cture (No t Collect ing )

Interface

1. Main Interface

3 4

Name

1 2 3 4 5

Main Men u Bar

Wav eform Vie w

Ruler

Measur ing Z one

Wav eform Thu mbnail

1. 1 Mark Description

Displa y sam pling sta tus, main m enu and pow er

Description

Displa y inf ormatio n and wavef orm of each c han nel

Tim ing Ruler

Displa y Pul se Width, n umber of Ed ges and Time D ifferen ce

Thumbn ail o f Collect ed Data

Yell ow mark ind icates Hi dde n Menu Opti on on the rig ht.

Yell ow menu ind icates Su bme nus under t his Option ; pre ss “MENU” a nd slide th e Encoder “A” to sel ect S ubmenu.

1. 2 1.1Main Menu Bar

In:SPI

Tim e:TB

Tri :==

Measur e

Out SPI

FileSy s

Settin g

Blue but ton i ndicate s pressin g “OK” to execut e and s witch dat a.

Pause/ Col lect Data

Settin g Opt ions for co llectin g Input Pro toc ol

Tim e Scale, Cu rsor and Ho riz ontal Win dow Optio ns

Tri gger Opti on

Measur eme nt Option

Progra mma ble Port Op tion

File Sys tem O ption

System C onf igurati on Option

Power/ Cha rge, PC Con nection S tatus

1. 3 1.1Wa vef orm View

Channe l Ser ial Numbe r

Channe l Mar k

Protoc ol Ana lysis Channe l

Tri gger Stat us

Wav eform Dis play

T1、T2 Curs or Li ne

1. 4 Ruler

Tri gger Line

Curren t Min . Unit of Rul er

Protoc ol Ana lysis Dat a

1. 5 Measurement Zone

CH1 P_PWSu m N-PWSu m

UpNum DownNu m T1:1.0 0us T2:4.6 0us

▲T:3.60us

Total Tim e of Positi ve Pu lse Width o f T1 and T 2

Total Tim e of Negati ve Pu lse Width o f T1 and T 2

Curren t Mea suring Ch annel

Number o f Ris ing Edges o f T1 and T 2

Number o f Fal ling Edge o f T1 and T 2

T1 Time

T2 Time

Tim e Diff ere nce betwe en T1 an d T2

1. 6 Wave for m Thu mbn ail

Slider : Gre en Slider i ndicate s the posit ion o f the curre nt Wav eform View in Col lec ted Wa vefo rm; Grey Sli der i ndicate s no Collec ted Wa veform cu rrently.

Wav eform Thu mbnail of C ollecte d Data

2. Menu Options Introduction

2.1 User-defined Protocol Analysis Option

2.2 SPI Protocol Analysis Option

CS Enabl e

Clock Po lar ity

Clock Ph ase

Bit Orde r

Wor d Siz e

Data For mat

CS (Chip S ele ct) Enabl ing Condi tions: 0 in dic ates Low Level En abl ing; 1 indi cates Hig h Level Ena bli ng

Clock Ph ase : 0 indicat es to read da ta on the fir st Sa ltus;

1 indica tes t o read data o n the secon d Saltus Data Bit S equ ence: LSB i ndicate s Least Sig nif icant Bit i n the fron t; MS B indi cat es the Most S ignific ant B it in the fro nt

Clock Po lar ity: 0 indi cates Low L evel; 1 indica tes H igh Level

Data Len gth

Displa yin g Format of An alysis Da ta

2.3 12C Protocol Analysis Option

R/W bit se t 0

Data For mat

Set Read ing /Wri ting Bit wh en Add ress ing

Displa yin g Format of An alysis Da ta

2.4 UART Protocol Ana lys is Op tio n

Baud Rat e

Parity Ty pe

Invert S ign al

Data For mat

Data Bit s

Stop Bit s

Bit Orde r

Baud Rat e

Data Bit s

Stop Bit s

Calibr ati on Settin g

Data Bit S equ ence

Invert S ign al

Displa yin g Format of An alysis Da ta

2.5 Time Option

Tim e Base

T1.Pos i

T2.Pos i

X.Posi

Min. Uni t of Ru ler

Positi on of C ursor T1

Positi on of C ursor T2

Wav eform Off sett ing Ti me

2.6 Trigger Options

Tri Type

Tri Cond

Tri Mask

Tri Width

Thresh old

NE_CM/ EQ_ CM/

Any/LN E_W /

LEQ_W/ GNE _W/

GEQ_W

Channels 1-4

Condition

Channels 1-4

Combination Settings

Tri gger P ulse W idth

Setting s of Level Thr eshold Valu e

Not e qual/ Equal t o Combi natio n Condi tion Trig ger/A rbitr ary Trig ger/N ot equa l/ Equ al to Con tinuo us Puls e Width l ess tha n Thr eshol d Value Tri gger Inc ompat ible/ Compa tible w ith Con tinuo us Pul se Widt h large r than Th resho ld Value Tri gger

Rising Edge/Falling Edge: Corresponding

to Ch annels 1-4 from left to right

√ indicates selecting this Channel;

× indicates this Channel does not Tri gger

Condition: Use Encoder “A” to Select

Channel and then press “OK” to Switch

2.7 Measurement Options

2.8 Output Options

2.9 File Saving Options

Select a M eas urement C hannel

Select t he Pr ogramma ble Outpu t Type: S PI, 1 2C, UART, PWM

Save Bmp : Sav e the Curre nt Screen I mage with t he Nu mber as File Na me Save Csv : Sav e Collect ed Data wit h the Numbe r as Fi le Name

2.10 System Setting Option

1. Interface Settings

Save par am

Restor e par am

Volume

BKligh t

Standb y

Power of f

Save Cur ren t Option Pa rameter s

Reset to D efa ults

Buzzer Vo lum e

LCD Back lig ht Bright ness

Standb y Time

Auto Pow er- off Tim e

Detailed Instructions

1. Selec t the P roto col Type or Us er- defi ned Type for t he Measur ed Si gnal

2. Set the P ara mete rs fo r all the Opt ions unde r the P rotocol

3. Set the Tr igg ering Con ditions f or the meas ure d Signals (all the P rot ocol Types hav e their own c orr espondi ng Tri ggering S etting) .

2. Connect Measuring Cable

1) Conne ct LA 104's Gro und Wire (G ND) with th e gro und wire of t he Measur ed Device ;

2) Conne ct LA 104's Inp ut Channe ls with the P ins t o be measur ed.

Be caref ul wh en pluggi ng/unpl ugging th e Mea suring Ca ble to avoi d dam agin g the M easured Device o r thi s product . Don't me asu re Signal s beyond th e Level Mea sur ing Range o f LA104. LA104 ca n't m easure Si gnals wit h frequen cy hi gher than i ts max coll ected fre que ncy.

3. Collection An aly sis

1) Slid En cod er A to “O ut SP I” and pres s the “SMPL ” button to b egi n collec tin g.Pres “O K” to send ou t Signal, a nd ch eck the Wave for m after some tim e;

2) Adjust t he Tim eBase Par ameters t o the right Wavefo rm Ratio;

3) Movin g X. Po si to th e Wave for m of the Peri od you want t o observe ;

4) Setti ngs o f Protoco l Analys is; Select t he Da ta Type y ou want to ch eck i n the Pr oto col's Submen us;

5) Check t he Me asured Da ta; Check th e Mea sured Dat a between T 1 and T2 b y adjusti ng the positi ons o f Cursors T1 and T2 .

Technical Support

1. Firmware Update

1.Visi t www.mini dso.com t o dow nload the l atest fir mware of yo ur lo gic analy zer to your P C.

2.Long p res s both LA10 4’s po wer b utto n and S MPL bu tton to ent er DFU firm ware upgr ade m ode.

3.Use Mi cro U SB data cor d to connec t LA104 to yo ur PC , and a remov able hard d isk named

“DFU Vx_ xx_ x” will app ear on your P C. Copy the . hex f irmware t o the root di rectory o f tha t disk.

After th e ext ensi on of t he firmwa re change s fro m “.hex” to “ .rdy”, re start LA1 04, t hus the fir mware

is upgra ded .

For more i nformation, please visit www.m inidso. com.

Legal Statements

This dev ice f ulfills p art 15 of the F CC regula tio ns Device m ust fulfi ll below 2 condit ion s: (1) Devi ce mu st not gene rate inte rferenc e; (2) Devi ce mu st be able to r esist any i nterfer enc es on it, inc luding interf ere nces t hat c ould caus e dangero us ma nipulat ion.

This is a tr ade mark of Eur ope Union This pro duc t with CE log o on it fulfi lls relat ed Eu ro Union la ws and regula tio ns

Do not dis pos e this prod uct with do mestic wa ste .

Handli ng an d recycle :Dispos al of the pro duc t shall be ma nipulat ed accord ing t o laws and re gulatio ns in youra rea .

Seeed Studio LA104 User manual

Specifications and Main Features

Frequently Asked Questions

User Manual