參數(shù)資料
型號(hào)： UPSD3424EV-40T6T
廠(chǎng)商： 意法半導(dǎo)體
英文描述： Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic
中文描述： Turbo Plus系列高速渦輪8032 USB和可編程邏輯控制器
文件頁(yè)數(shù)： 99/264頁(yè)
文件大?。?/td> 4320K
代理商： UPSD3424EV-40T6T
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)當(dāng)前第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)第146頁(yè)第147頁(yè)第148頁(yè)第149頁(yè)第150頁(yè)第151頁(yè)第152頁(yè)第153頁(yè)第154頁(yè)第155頁(yè)第156頁(yè)第157頁(yè)第158頁(yè)第159頁(yè)第160頁(yè)第161頁(yè)第162頁(yè)第163頁(yè)第164頁(yè)第165頁(yè)第166頁(yè)第167頁(yè)第168頁(yè)第169頁(yè)第170頁(yè)第171頁(yè)第172頁(yè)第173頁(yè)第174頁(yè)第175頁(yè)第176頁(yè)第177頁(yè)第178頁(yè)第179頁(yè)第180頁(yè)第181頁(yè)第182頁(yè)第183頁(yè)第184頁(yè)第185頁(yè)第186頁(yè)第187頁(yè)第188頁(yè)第189頁(yè)第190頁(yè)第191頁(yè)第192頁(yè)第193頁(yè)第194頁(yè)第195頁(yè)第196頁(yè)第197頁(yè)第198頁(yè)第199頁(yè)第200頁(yè)第201頁(yè)第202頁(yè)第203頁(yè)第204頁(yè)第205頁(yè)第206頁(yè)第207頁(yè)第208頁(yè)第209頁(yè)第210頁(yè)第211頁(yè)第212頁(yè)第213頁(yè)第214頁(yè)第215頁(yè)第216頁(yè)第217頁(yè)第218頁(yè)第219頁(yè)第220頁(yè)第221頁(yè)第222頁(yè)第223頁(yè)第224頁(yè)第225頁(yè)第226頁(yè)第227頁(yè)第228頁(yè)第229頁(yè)第230頁(yè)第231頁(yè)第232頁(yè)第233頁(yè)第234頁(yè)第235頁(yè)第236頁(yè)第237頁(yè)第238頁(yè)第239頁(yè)第240頁(yè)第241頁(yè)第242頁(yè)第243頁(yè)第244頁(yè)第245頁(yè)第246頁(yè)第247頁(yè)第248頁(yè)第249頁(yè)第250頁(yè)第251頁(yè)第252頁(yè)第253頁(yè)第254頁(yè)第255頁(yè)第256頁(yè)第257頁(yè)第258頁(yè)第259頁(yè)第260頁(yè)第261頁(yè)第262頁(yè)第263頁(yè)第264頁(yè)
99/264
uPSD34xx - I
2
C INTERFACE
Communication Flow
I
2
C data flow control is based on the fact that all
I
2
C compatible devices will drive the bus lines with
open-drain (or open-collector) line drivers pulled
up with external resistors, creating a wired-AND
situation. This means that either bus line (SDA or
SCL) will be at a logic '1' level only when no I
2
C de-
vice is actively driving the line to logic '0.' The logic
for handshaking, arbitration, synchronization, and
collision detection is implemented by each I
2
C de-
vice having:
1.
The ability to hold a line low against the will of
the other devices who are trying to assert the
line high.
2.
The ability of a device to detect that another
device is driving the line low against its will.
Assert high means the driver releases the line and
external pull-ups passively raise the signal to logic
'1.' Holding low means the open-drain driver is
actively pulling the signal to ground for a logic '0.'
For example, if a Slave device cannot transmit or
receive a byte because it is distracted by and inter-
rupt or it has to wait for some process to complete,
it can hold the SCL clock line low. Even though the
Master device is generating the SCL clock, the
Master will sense that the Slave is holding the SCL
line low against the will of the Master, indicating
that the Master must wait until the Slave releases
SCL before proceeding with the transfer.
Another example is when two Master devices try
to put information on the bus simultaneously, the
first one to release the SDA data line looses arbi-
tration while the winner continues to hold SDA low.
Two types of data transfers are possible with I
2
C
depending
on
the
R/W
42., page 100
.
1.
Data transfer from Master Transmitter to
Slave Receiver (R/W = 0).
In this case, the
Master generates a START condition on the
bus and it generates a clock signal on the SCL
line. Then the Master transmits the first byte
on the SDA line containing the 7-bit Slave
address plus the R/W bit. The Slave who owns
that address will respond with an acknowledge
bit on SDA, and all other Slave devices will not
respond. Next, the Master will transmit a data
byte (or bytes) that the addressed Slave must
receive. The Slave will return an acknowledge
bit after each data byte it successfully
receives. After the final byte is transmitted by
the Master, the Master will generate a STOP
condition on the bus, or it will generate a RE-
bit,
see
Figure
START conditon and begin the next transfer.
There is no limit to the number of bytes that
can be transmitted during a transfer session.
Data transfer from Slave Transmitter to
Master Receiver (R/W = 1).
In this case, the
Master generates a START condition on the
bus and it generates a clock signal on the SCL
line. Then the Master transmits the first byte
on the SDA line containing the 7-bit Slave
address plus the R/W bit. The Slave who owns
that address will respond with an acknowledge
bit on SDA, and all other Slave devices will not
respond. Next, the addressed Slave will
transmit a data byte (or bytes) to the Master.
The Master will return an acknowledge bit
after each data byte it successfully receives,
unless it is the last byte the Master desires. If
so, the Master will not acknowledge the last
byte and from this, the Slave knows to stop
transmitting data bytes to the Master. The
Master will then generate a STOP condition on
the bus, or it will generate a RE-START
conditon and begin the next transfer. There is
no limit to the number of bytes that can be
transmitted during a transfer session.
A few things to know related to these transfers:
–
Either the Master or Slave device can hold the
SCL clock line low to indicate it needs more
time to handle a byte transfer. An indefinite
holding period is possible.
–
A START condition is generated by a Master
and recognized by a Slave when SDA has a 1-
to-0 transition while SCL is high (
Figure
42., page 100
).
–
A STOP condition is generated by a Master
and recognized by a Slave when SDA has a 0-
to1 transition while SCL is high (
Figure
42., page 100
).
–
A RE-START (repeated START) condition
generated by a Master can have the same
function as a STOP condition when starting
another data transfer immediately following
the previous data transfer (
Figure
42., page 100
).
–
When transferring data, the logic level on the
SDA line must remain stable while SCL is
high, and SDA can change only while SCL is
low. However, when not transferring data,
SDA may change state while SCL is high,
which creates the START and STOP bus
conditions.
2.
相關(guān)PDF資料
PDF描述
UPSD3424EV-40U6T Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic
UPZW6271MHD ALUMINUM ELECTROLYTIC CAPACITORS
UPZW6271MPD ALUMINUM ELECTROLYTIC CAPACITORS
UPZW6470MPD ALUMINUM ELECTROLYTIC CAPACITORS
UPZW6560MPD ALUMINUM ELECTROLYTIC CAPACITORS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPSD3433E-40T6 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
UPSD3433E-40U6 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
UPSD3433EB40T6 功能描述:8位微控制器 -MCU Turbo 8032 MCU w/USB & Programmable Logic RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
UPSD3433EB40U6 功能描述:8位微控制器 -MCU uPSD34x Turbo Plus Fast Turbo 8032 MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
UPSD3433EV-40T6 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠(chǎng)商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*