參數(shù)資料
型號(hào)： PCF8578T
廠商： NXP Semiconductors N.V.
元件分類(lèi)： LCD驅(qū)動(dòng)器
英文描述： LCD row-column driver for dot matrix graphic displays
封裝： PCF8578HT/1<SOT357-1 (TQFP64)|<<http://www.nxp.com/packages/SOT357-1.html<1<Always Pb-free,;PCF8578T/1<SOT190-1 (VSO56)|<<http://www.nxp.com/packages/SOT190-1.html<1&l
文件頁(yè)數(shù)： 10/46頁(yè)
文件大?。?/td> 274K
代理商： PCF8578T
PCF8578_6
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 06 — 5 May 2009
18 of 46
NXP Semiconductors
PCF8578
LCD row/column driver for dot matrix graphic displays
8.8.4 Acknowledge
The number of data bytes transferred between the START and STOP conditions from
transmitter to receiver is unlimited. Each data byte of eight bits is followed by one
acknowledge bit. The acknowledge bit is a HIGH level put on the bus by the transmitter,
whereas the master generates an extra acknowledge related clock pulse. A slave receiver
which is addressed must generate an acknowledge after the reception of each byte. Also
a master must generate an acknowledge after the reception of each byte that has been
clocked out of the slave transmitter. The device that acknowledges must pull down the
SDA line during the acknowledge clock pulse, so that the SDA line is stable LOW during
the HIGH period of the acknowledge related clock pulse (set-up and hold times must be
taken into consideration). A master receiver must signal the end of a data transmission to
the transmitter by not generating an acknowledge on the last byte that has been clocked
out of the slave. In this event the transmitter must leave the data line HIGH to enable the
master to generate a STOP condition.
Fig 11. Bit transfer
Fig 12. Denition of START and STOP condition
mba607
data line
stable;
data valid
change
of data
allowed
SDA
SCL
mba608
SDA
SCL
P
STOP condition
S
START condition
Fig 13. System conguration
mba605
MASTER
TRANSMITTER /
RECEIVER
SLAVE
RECEIVER
SLAVE
TRANSMITTER /
RECEIVER
MASTER
TRANSMITTER
MASTER
TRANSMITTER /
RECEIVER
SDA
SCL
相關(guān)PDF資料
PDF描述
PCI-36RS-SB-L STRAIGHT TELECOM AND DATACOM CONNECTOR
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PCI-36SS-B-H STRAIGHT TELECOM AND DATACOM CONNECTOR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8578T/1 制造商:NXP Semiconductors 功能描述:IC LCD DRIVER ROW/COLUMN 56VSOP 制造商:NXP Semiconductors 功能描述:IC, LCD DRIVER, ROW/COLUMN, 56VSOP
PCF8578T/1,112 功能描述:LCD 驅(qū)動(dòng)器 LCD DRVR DOT MATRIX RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
PCF8578T/1,118 功能描述:LCD 驅(qū)動(dòng)器 DOT MATRIX LCD DRIVER (R/COLM) RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
PCF8578T/1112 制造商:NXP Semiconductors 功能描述:IC LCD DRVR 6V VSOP-56
PCF8578TD 功能描述:LCD 驅(qū)動(dòng)器 LCD DRVR DOT MATRIX RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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