Manuale d’uso / di manutenzione del prodotto AT89C5132 del fabbricante Atmel
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Features • Programmable Audi o Output for Interfacing with Common Audio DAC – PCM Format Co mp atible –I 2 S Format Comp atib le • 8-bit MCU C51 Core-based (F MAX = 20 MHz ) • 2304 B ytes of.
2 4173ES–USB– 09/07 AT8 9C5132 3. Block Diagram Figure 3-1. A T89C5132 Block Dia gram Notes: 1. Alternate fu nction of Port 3 2. Alternate fu nction of Port 4 3.
3 4173ES–USB– 09/07 AT89C5 132 4. Pin Descri ption Figure 4-1. AT89C5132 8 0-pin TQF P Package P0.3 /AD3 P0.4 /AD4 P0.5 /AD5 VSS VDD P0.6 /AD6 P0.7 /AD7 P2.0 /A8 P2.1 /A9 P3.1/TXD P3.2/INT 0 P3.3/INT 1 P3.4/T0 P3.0/RX D 1 2 3 4 5 6 7 8 13 11 10 P2.
4 4173ES–USB– 09/07 AT8 9C5132 Figure 4-2. A T89C5132 84-pin PL CC (1) Note: 1. For developm en t board onl y . 4.1 Signals All the A T89C513 2 signals a re detai led by fun ctionality in Tabl e 1 to Table 14 . Ta b l e 1 . Po rts Si gnal De scrip tion PLCC84 P0.
5 4173ES–USB– 09/07 AT89C5 132 Ta b l e 2 . Cloc k Si gna l Desc r ipt ion Ta b l e 3 . Ti mer 0 and T imer 1 Sign al Descripti on P2.7: 0 I/O Port 2 P2 is an 8-bit bidirectional I/O port with internal pull-up s. A15:8 P3.7: 0 I/O Port 3 P3 is an 8-bit bidirectional I/O port with internal pull-up s.
6 4173ES–USB– 09/07 AT8 9C5132 Ta b l e 4 . Audi o Interfac e Signa l Descript ion Ta b l e 5 . USB Controll er Signa l Descrip tion Ta b l e 6 . Muti MediaCard Int erface Sig nal Descripti on T0 I Timer 0 External Clock Input When timer 0 op erates as a counter , a falling edge on the T0 pin increments the count.
7 4173ES–USB– 09/07 AT89C5 132 Ta b l e 7 . UART S ignal Description Ta b l e 8 . SPI Controll er Signa l Descr iptio n Ta b l e 9 . TW I Controller Signal Des cription Ta b l e 1 0 .
8 4173ES–USB– 09/07 AT8 9C5132 Ta b l e 1 1 . Keyp ad Interfa ce Signa l Desc riptio n Ta b l e 1 2 . External Ac cess Signal D esc ri ption Ta b l e 1 3 .
9 4173ES–USB– 09/07 AT89C5 132 Ta b l e 1 4 . P ower Signal De scrip tion Signal Name T yp e Description Alternate Function VDD PWR Digit al Supply V olt age Connect these pins to +3V supply volt a ge. - VSS GND Cir c uit Gr ou nd Connect these pins to ground.
10 4173ES–USB– 09/07 AT8 9C5132 4.2 Internal Pin S tructure Ta b l e 1 5 . D etailed In ternal Pin Str ucture Note s: 1. F or i nfor matio n on r esist ors v alue, inpu t/ou tput level s, and dr ive c apabil ity , r efer t o the Section “DC Cha racteristics”, page 18 3 .
11 4173ES–USB– 09/07 AT89C5 132 5. Address S pa ces The AT8x C5132 der ivatives implemen t four dif ferent add ress spac es: • Program /Code Memo ry • Boot Me mory • Data Memo ry • S pe cial Func tion Registe rs (SFR s) 5.0.1 Code Memory The AT89 C5132 impl ements 64 K Bytes of o n-chip program/c ode memor y in Flash t echnolog y.
12 AT89C5132 4173ES–USB– 09/07 Peripheral s The AT8xC5132 peripherals are br iefly described in the following sections. For fur t her details on how to int erface (hardw are and s oftware) to the se peripher als, pleas e refer to the AT8 xC5132 co mplete dat asheet.
13 AT89C5132 4173ES–USB– 09/07 Serial I/O Interfa ce The AT89 C5132 imp lements a serial p ort with its own baud r ate gener ator prov iding on e single s ynchrono us commu nication mode an d three full- duplex Un iversa l Asynchr onous Receiver Transmitter ( UART) co mmunication modes.
14 4173ES–USB– 09/07 AT8 9C5132 6. Electri cal Characteristics 6.1 Absolute Maximum Ratings 6.2 DC Characte ristic s 6.2.1 Digit al Logic S torage T emperatu re ............. ...................... .. -65 ° C to +1 50 ° C V olta ge on any other Pi n to V SS .
15 4173ES–USB– 09/07 AT89C5 132 Notes: 1. T ypical v alues are obtained using V DD = 3 V and T A = 25 ° C. They ar e not tested an d there is n o guarantee on thes e val ues . 2. Flash rete ntion is gua ranteed with the same fo rmula for V DD mi n down to 0 V .
16 4173ES–USB– 09/07 AT8 9C5132 Figure 6-2. I DL Tes t Condition , Idle Mode Figure 6-3. I PD Test Co ndition, Powe r-Down Mode 6.2.3 A-to-D Converter Ta b l e 2 .
17 4173ES–USB– 09/07 AT89C5 132 6.2.4 Oscillat or and Crys t al 6.2.4.1 Sche matic Figure 6-4. Crysta l Connection Note: For op eration with m ost st andard cryst als, no extern al compone nts are needed on X1 and X2. It may be n ecessary to add external cap acitors on X1 and X2 to ground in s pecial cases (ma x 10 pF).
18 4173ES–USB– 09/07 AT8 9C5132 6.2.5.2 Paramet ers Ta b l e 4 . PLL Fi lt er Chara cte ris tic s V DD = 2.7 to 3.3V , T A = -40 t o +85 ° C 6.2.6 USB Con nection 6.2.6.1 Sche matic Figure 6-6. USB Co nnection 6.2.6.2 Paramet ers Ta b l e 1 6 . USB Char acteri stics V DD = 3 to 3.
19 4173ES–USB– 09/07 AT89C5 132 6.3 AC Characte ristic s 6.3.1 External 8-bit Bus Cy cles 6.3.1.1 Definit ion of Sy mbols Ta b l e 6 . Ext ernal 8-bi t Bus Cycl es Timing Symbol Definitions 6.3.1.2 Timin gs Test cond itions: c apaciti ve load o n all pin s = 50 pF.
20 4173ES–USB– 09/07 AT8 9C5132 Ta b l e 8 . Ext ernal 8-bi t Bus Cycl e – Data Wr ite AC T imings V DD = 2.7 t o 3.3V , T A = -40 ° to +8 5 ° C 6.
21 4173ES–USB– 09/07 AT89C5 132 Figure 6-9. Exte rnal 8- bit Bu s Cycle – Data Write Wave forms 6.3.2 External IDE 16-bit Bus C ycles 6.3.2.1 Definit ion of Sy mbols Ta b l e 9 . Ext ernal IDE 16- bit Bus Cycl es Timin g Symbol Defi nitions 6.3.
22 4173ES–USB– 09/07 AT8 9C5132 Ta b l e 1 0 . Ex ternal IDE 16 -bit Bus Cy cle – Data Re ad AC Ti mings V DD = 2.7 to 3. 3V , T A = -4 0 ° to +85 ° C Ta b l e 1 1 .
23 4173ES–USB– 09/07 AT89C5 132 6.3.2.3 Waveforms Figure 6-10. Extern al IDE 16-bi t Bus Cycle – Data Read Wave for ms Note: D15:8 is written in DA T16H SFR. Figure 6-1 1. Extern al IDE 16-bi t Bus Cycle – Data Writ e Wavefor m s Note: D15:8 is the content of DA T16H S FR.
24 4173ES–USB– 09/07 AT8 9C5132 6.3.3.2 Timings Ta b l e 1 3 . SPI Int erface M aster AC Timing V DD = 2.7 t o 3.3V , T A = -40 ° to +8 5 ° C Notes: 1.
25 4173ES–USB– 09/07 AT89C5 132 6.3.3.3 Waveforms Figure 6-12. SPI Sl ave Wavefo rms (SSCPHA = 0 ) Note: 1. Not Defin ed but generally the MSB of the cha racter which h as just been rec e ived. Figure 6-13. SPI Sl ave Wavefo rms (SSCPHA = 1 ) Note: 1.
26 4173ES–USB– 09/07 AT8 9C5132 Figure 6-14. SPI Ma ster Wavefo rms (SSCPHA = 0) Note: 1. SS handled by so ftware usin g general purp ose port pin. Figure 6-15. SPI Ma ster Wavefo rms (SSCPHA = 1) Note: 1. SS handled by so ftware usin g general purp ose port pin.
27 4173ES–USB– 09/07 AT89C5 132 V DD = 2.7 to 3.3 V , T A = -40 to +85 ° C Notes: 1. At 100 k b it/s. At other bi t-rates this valu e is inversely pro portional to t he bit-rate of 1 00 kbit/s . 2. Determi ned by the ext ernal bus-line c apacita nce and the external bus-li ne pull-up resi stor , this must be < 1 μ s.
28 4173ES–USB– 09/07 AT8 9C5132 6.3.5 MMC In terface 6.3.5.1 Definit ion of Sy mbols Ta b l e 1 4 . M MC Interface Timing Sy mbol Defini tions 6.3.5.2 Timings Ta b l e 1 5 . MMC Inter face AC Timing s V DD = 2.7 to 3.3 V , T A = -40 to +85 ° C, CL ≤ 100pF ( 10 cards ) 6.
29 4173ES–USB– 09/07 AT89C5 132 6.3.6 Audio Inter f ace 6.3.6.1 Definit ion of Sy mbols Ta b l e 1 6 . A udio Interfa ce Timing Symbol Defi nitions 6.3.6.2 Timings Ta b l e 1 7 . Audi o Inter f ace AC ti mings V DD = 2.7 t o 3.3V , T A = - 40 to +85 ° C, CL ≤ 30pF Note: 32-bit forma t with Fs = 48 kH z.
30 4173ES–USB– 09/07 AT8 9C5132 6.3.7 Analog to Digit al Converter 6.3.7.1 Definit ion of Sy mbols Ta b l e 1 8 . A nalog to Digi tal Conve rter Tim ing Symbol Definitio ns 6.3.7.2 Cha racteris tics Ta b l e 1 8 . A nalog to Digi tal Conve rter AC Char acterist ics V DD = 2.
31 4173ES–USB– 09/07 AT89C5 132 6.3.7.3 Waveforms Figure 6-19. Analog- to-Digit al Converte r Internal W aveform s Figure 6-20. Analog- to-D igit al Converte r Charac ter i stics ADEN Bi t ADSS T .
32 4173ES–USB– 09/07 AT8 9C5132 6.3. 8 Fla sh Mem ory 6.3.8.1 Definit ion of Sy mbols Ta b l e 1 9 . Fl ash Memo ry Timing S ymbol De finitions 6.3.8.2 Timings Ta b l e 2 0 . Flash M emory AC T iming V DD = 2.7 t o 3.3V , T A = -40 ° to +8 5 ° C 6.
33 4173ES–USB– 09/07 AT89C5 132 6.3.9.2 Timings Ta b l e 2 2 . Externa l Clock AC Timings V DD = 2.7 t o 3.3V , T A = -40 to +8 5 ° C 6.3.9.3 Waveforms Figure 6-23. Exter nal Cl ock Wavefo rm Figure 6-24. AC Testing Input/Out put Wavef orms Note s: 1.
34 4173ES–USB– 09/07 AT8 9C5132 7. Ordering Information Note: 1. PLCC8 4 package o nly available for developm ent bo ard. Possib le O rder En tries (1 ) Part Number Memo ry Size (Bytes) Su pply Vo.
35 4173ES–USB– 09/07 AT89C5 132 8. Package Informati o n 8.1 TQFP 80.
36 4173ES–USB– 09/07 AT8 9C5132 8.2 PLCC84.
37 4173ES–USB– 09/07 AT89C5 132 9. Dat asheet Revision History for A T89C5132 9.1 Change s from 4173A-08/02 to 4173B-03/ 04 1. Suppres sion of ROM product v ersion. 2. Suppres sion of TQF P64 packag e. 9.2 Cha nges from 4173 B-03/0 4 - 4 173C - 07 /04 1.
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Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Atmel AT89C5132 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Atmel AT89C5132 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Atmel AT89C5132 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Atmel AT89C5132 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Atmel AT89C5132, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Atmel AT89C5132.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Atmel AT89C5132. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Atmel AT89C5132 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
