used in all lights ON. LS FToset to alL=1:laghltsliF, tss aFLSLl:lnormmalntlighting m ST FToset the staTn1-bytandeHS=0:mndermal operating mode In case of conet-innuotusDCdAa aGRAMADRM, etc,.it is not necessary to speofiheectohnd anrss,laeteruebeyttehe addr automatically incremented internally. Note: There
Analog Comparator can be powered down by setting the ACD bit in the Analog Comparator Control and Sta- tus Register – ACSR. This will reduce power consumption in Idle mode. If the ADC is enabled, a conversion starts automatically when this mode is entered. ADC Noise Reduction When the SM2..0 bits are
suppressed by the input filter t bus free time between a STOP and START 4.7 - - s BUF condition tSU;STA set-up time for a repeated START condition 4.7 - - s t hold time (repeated) START condition 4.0 - - s HD;STA tLOW LOW period of the SCL clock 4.7 - - s tHIGH HIGH period of the SCL clock 4.0 - -
conversion has to be separately initiated by writing low pass filter may be used at the analog input to the STA bit. pins to reduce input voltage variation during con- The STA bit is continuously scanned so that, if the version. user sets it to “1” while a previous conversion is in progress, a new conversion
t F 0.3 μs HoldTime (Start Condition), t 0.6 μs After this period, the first clock is generated HD:STA SetupTime (Start Condition), t SU:STA 0.6 μs Relevant for repeated start condition Data SetupTime, t SU:DAT 0.02 μs SetupTime (Stop Condition), t SU:STO 0.6 μs Data HoldTime, t HD:DATMaster) 0.03 μs
Registers 0x0000 - 0x001F 64 I/O Registers 0x0020 - 0x005F 0x0060 Internal SRAM (128/256/512 x 8) 0x0DF/0x015F/0x025F 5.2.1 Data Memory Access Times This section describes the general access timing concepts for internal memory access. The internal data SRAM access is performed in two clk cycles as illustrated
suppressed by the input filter BUF bus free time between a 4.7 - - μs STOP and START condition SU;STA set-up time for a repeated 4.7 - - μs START condition HD;STA hold time (repeated) START 4.0 - - μs condition LOW LOW period of the SCL clock 4.7 - - μs HIGH HIGH period of the SCL clock 4.0 - - μs r
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rise time 1000 20+0.1C 300 ns tr(SCL) b tf(SDA) SDA and SCL fall time 300 20+0.1C 300 tf(SCL) b th(STA) START condition hold time 4.0 0.6 μs tsu(STA) Repeated START condition setup time 4.7 0.6 t STOP condition setup time 4.0 0.6 μs su(STO) w(STO:STA) STOP to START condition time (bus free) 4.7 1.3 μs
between a STOP and 1.3 - - s START condition SU;STO set-up time for STOP condition 0.6 - - s HD;STA hold time (repeated) START condition 0.6 - - s t set-up time for a repeated START 0.6 - - s SU;STA condition t rise time of both SDA and SCL signals f = 400 kHz - - 0.3 s r SCL SCL < 125 kHz - -
and SCL rise time - 1000 20 + 0.1C b 300 r(SCL) t f(SDA) SDA and SCL fall time - 300 - 300 f(SCL) h(STA) Start condition hold time 4.0 - 0.6 - Repeated Start condition µs tsu(STA) 4.7 - 0.6 - setup time tsu(STO) Stop condition setup time 4.0 - 0.6 - μs t Stop to Start condition time 4.7 - 1.3 - μs w(STO:STA) (bus free) Capacitive load for each bus C b line - 400 - 400 pF 1. Guaranteed by design, not tested in production. 2 2. fPCLK1 must be at 2east 2 MHz to achieve standard mode I C frequencies. It must
+------------+-------------+ | sys_clk_BUFGP | BUFGMUX0| No | 82 | 0.005 | 1.015 | +---------------------+--------------+------+------+------------+-------------+ * Net Skew is the difference between the minimum and maximum routing .. Timing Score: 0 Asterisk (*)
125 was effektiv nur 4ns lässt, etc). Fritz Jaeger schrieb im Beitrag #2791042: > Soll > die STA Pfade zwischen FF an > unterschiedlichen Taktnetzwerken mit einbeziehen dann setz man ein FROM > TO constraint. Oder ein FALSE PATH wenns wurscht ist. Warum soll ich mir die Mühe machen wenn die
von Bauteilen mit Bestellnummer/Bauform/Preis und vielem mehr... Font erstellung. Entwicklungboards. STA015 MP3 Decoder Evaluation Board Spiele. Tetris auf dem AtMega8 (Bartholomäus Steinmayr) Siehe auch. AVR Softwarepool
mit: TA= L A U A(s)−U q(s) RA 1+ sT A RA uq(t) T A 1.5msek Blockbild: U As) 1 1 IA(s) G = ∗ RA 1+ sTA - U qs) Ankerrückwirkung: G 5 uq(t) = cΦ∗ω(t) cF: magnetischer Fluß U q(s) G 5(s) = Ω(s) = cΦ Blockbild: Ω(s) U qs) G 5= cΦ cF= 1.3Vs Reibung G 4 M Re (t) = kR∗ω(t) kR: Reibungswert M Re (s) = kR∗Ω(
0.1 4.5 0.1 0.9 s tBUF Time the bus must be free before a new 4.7 1.2 s transmission can start1) tHD.STA Start Hold Time 4.0 0.6 s tSU.STA Start Set-up Time 4.7 0.6 s tHD.DAT Data In Hold Time 0 0 s tSU.DAT Data In Set-up Time 200 100 ns (1) tR Inputs Rise Time 1.0 0.3 s (1) tF Inputs Fall Time 300 300
Analog Comparator can be powered down by setting the ACD bit in the Analog Comparator Control and Sta- tus Register – ACSR. This will reduce power consumption in Idle mode. If the ADC is enabled, a conversion starts automatically when this mode is entered. ADC Noise Reduction When the SM2..0 bits are
RESET: ldi r16,high(RAMEND); Main program start $014 out SPH,r16 ; Set Stack Pointer to top of RAM $015 ldi r16,low(RAMEND) $016 out SPL,r16 $017 sei ; Enable interrupts $018 <instr> xxx ... ... ... 47 2486X–AVR–06/10 When the BOOTRST Fuse is unprogrammed, the boot section size set to 2K bytes and the
KHz Bus free time between stop and TBUF start condition 4.7 µs Hold time after (repeated) start THD:STA condition 4.0 µs TSU:STA Repeated start condition setup time 4.7 µs TSU:STO Stop condition setup time 4.0 µs THD:DAT Data hold time 300 ns TSU:DAT Data setup time 250 ns TLOW Clock low period 4.7 µs
the CPU wakes up from Power-down, the selected clock source is used to time the start-up, ensuring sta- ble oscillator operation before instruction execution starts. When the CPU starts from Reset, there is as an additional delay allowing the power to reach a stable level before commencing normal operation
Timing Specifications Figure 14 Serial Bus Timing Diagram t t t F HIGH R SCL t tSU:STO t LOW t HD:STA SU:DAT SDA(IN) tSU:STA AA tHD:DAT tBUF SDA(OUT) t DH 5620CLCC_DS_014 Table 7 Serial Bus Timing Specifications Symbol Parameter Min Typ Max Unit SCL Clock frequency 400 KHz LOW Clock low period 1.3 µs
fSYSTEM MHz Duty cycle = 50% ± 10% SCL SCL clock frequency 2.2 V/3 V 0 400 kHz f ≤ 100 kHz 4.0 HD,STA Hold time (repeated) START SCL 2.2 V/3 V µs SCL > 100 kHz 0.6 SCL ≤ 100 kHz 4.7 SU,STA Setup time for a repeated START 2.2 V/3 V µs SCL > 100 kHz 0.6 t Data hold time 2.2 V/3 V 0 ns HD,DAT SU,DAT Data
nominale, il èpossibileottenerelacompensazionedipotenzialedesiderataperlapuntadisaldatura. sistema sta riscaldando. In caso di lavori di saldatura eseguiti p. e.su elementi costruttivi altamente integrati in "Luce lampeggiante" significa: la temperatura reale corrisponde alla temperatura tecnica MOS,
the data lines. RD L WR H CE L C/D H Do to D7 H The T6963C status word format is as follows: MSB LSB STA7 STA6 STA5 STA4 STA3 STA2 STA1 STA0 D7 D6 D5 D4 D3 D2 D1 D0 0:Disable STA0 Check command execution capability 1:Enable STA1 Check data read/write Capability 0:Disable 1:Enable 0:Disable STA2 CheckAuto
0.6 – SCL f ≤ 100kHz 4.7 – t Set-up time for a repeated START condition SCL SU;STA f > 100kHz 0.6 – SCL f ≤ 100kHz 0 3.45 t Data hold time SCL HD;DAT f > 100kHz 0 0.9 SCL f ≤ 100kHz 250 – t Data setup time SCL ns SU;DAT f > 100kHz 100 – SCL SCL ≤ 100kHz 4.0 – SU;STO Setup time for
- % IC-bus timing characteristics (see Figure 21) [2][3] SCL SCL clock frequency [4]- - 400 kHz HD;STA hold time (repeated) START condition 0.6 - - s SU;STA set-up time for a repeated START condition 0.6 - - s LOW LOW period of the SCL clock 1.3 - - s HIGH HIGH period of the SCL clock 0.6 - - s r rise
[2] 0 100 0 400 kHz BUF bus free time between STOP condition 4.7 - 1.3 - s and START condition HD;STA START condition hold time 4.0 - 0.6 - s SU;STA START condition set-up time 4.7 - 0.6 - s t STOP condition set-up time 4.7 - 0.6 - s SU;STO HD;DAT data hold time 0 - 0 - ns VD;ACK data valid acknowledge
benutzen für meinen AVR-MP3-Player mit MAS3707. War allerdings etwas teuer... Ist der MP3-Decoder ein STA013 oder STA015? Ist schwer zu erkennen. Gruß aus Berlin Michael
> meinen AVR-MP3-Player mit MAS3707. War allerdings etwas teuer... > > Ist der MP3-Decoder ein STA013 oder STA015? Ist schwer zu erkennen. > > Gruß aus Berlin > Michael Wenn du die Chips so gut kennst kannst du mir eine Problemlösung vorschlagen.
spike width on bus − − 100 ns BUF bus free time 4.7 − − s t START condition set-up time 4.7 − − s SU;STA HD;STA START condition hold time 4.0 − − s LOW SCL LOW time 4.7 − − s HIGH SCL HIGH time 4.0 − − s r SCL and SDA rise time − − 1.0 s t SCL and SDA fall time − − 0.3 s f SU;DAT data set-up time 250 −
pseudo-differential to the effect that only the signal at IN+ is sampled. The return side (IN-) must remain sta- edge after the eighth bit of the control word has been ble within ±0.5LSB (±0.1LSB for best results) with shifted in. If the converter is set up for single-ended inputs, IN- is connected to COM, and
pseudo-differential to the effect that only the signal at IN+ is sampled. The return side (IN-) must remain sta- edge after the eighth bit of the control word has been ble within ±0.5LSB (±0.1LSB for best results) with shifted in. If the converter is set up for single-ended inputs, IN- is connected to COM, and
the 30% of DD crossing. 1300 ns tHIGH Clock HIGH time Measured at the 70% of DD crossing. 600 ns tSU:STA START condition setup time SCL rising edge to SDA falling edge. 600 ns Both crossing 70% of V . DD t START condition hold time FromSDAfallingedgecrossing30%of 600 ns HD:STA VDD to SCL falling edge crossing
powered down and the status of the memory controller is indicated by the Memory Controller Power Save Sta- tus bit (REG[A0h] bit 3). However, memory writes are possible during power save mode because the S1D13706 dynamically enables the memory controller for display buffer writes. 2 GPIO Pins are configured
Bus Free Time Between a STOP and tBUF 4.7 ms START Condition Hold Time (Repeated) START Condition HD:STA 4.0 ms 3 LOW Period of SCL Clock LOW 4.7 ms HIGH Period of SCL Clock tHIGH 4.0 ms Set-up Time for a Repeated START SU:STA 4.7 ms Condition Data Hold Time tHD:DAT 0 ms 4,5 Data Set-up Time SU:DAT 250
continua": significa che la temperatura reale è inferiore alla temperatura nomina- le; il sistema sta riscaldando. LastazionedisaldaturaWECP-20èdisponibileanchenellaversionecodificata,oppure "Luce lampeggiante": significa che la temperatura reale corrisponde a quella nominale. può essere modificata
bus is free (SDA is HIGH) 4.7 − s BUF before a new transmission is initiated by SDA going LOW. SU;STA set-up time repeated START Only valid for repeated start code. 4.7 − s t hold time START condition The time between SDA going LOW and the first 4.0 − s HD;STA valid negative-going transition of SCL.
for the Data Transfer, active low DATA OUTPUT INTERFACES 69 PCMCLK I/O Oversampling Clock input for STA310 when generated externally DAC Interface 67 SCLK O Bit Clock for the DAC 2/90 STA310 2 STA310 AUDIO DECODER PIN DESCRIPTION (continued) Pin Number Name Type Function 68 LRCLK O Word Clock for the
bearbeiten klicken (siehe oben) und hier dazu schreiben. Hardware. Multilayer-Leiterplatte MP3-Decoder: STA015T (TQFP44-Gehäuse) DAC: CS4340 Controller: ST92163 (8/16 bit core, full speed USB transceiver), leider OTP-Variante, getaktet mit 8MHz SPI Clock zum MP3-Decoder: 2MHz Offenbar 5A P-Kanal FET im SO8
