參數(shù)資料
型號(hào)： AK4115VQ
廠商： ASAHI KASEI POWER DEVICES CORP
元件分類(lèi)： 消費(fèi)家電
英文描述： High Feature 192kHz 24bit Digital Audio Interface Transceiver
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-64
文件頁(yè)數(shù)： 45/64頁(yè)
文件大?。?/td> 606K
代理商： AK4115VQ
ASAHI KASEI
[AK4115]
MS0573-E-00
2006/12
- 45 -
2-1-3. ACKNOWLEDGE
ACKNOWLEDGE is a software convention used to indicate successful data transfers. The transmitting device will
release the SDA line (HIGH) after transmitting eight bits. The receiver must pull down the SDA line during the
acknowledge clock pulse so that that it remains stable “L” during “H” period of this clock pulse. The AK4115 will
generates an acknowledge after each byte has been received.
In the read mode, the slave, AK4115 will transmit eight bits of data, release the SDA line and monitor the line for an
acknowledge. If an acknowledge is detected and no STOP condition is generated by the master, the slave will continue to
transmit data. If an acknowledge is not detected, the slave will terminate further data transmissions and await the STOP
condition.
SCL FROM
MASTER
acknowledge
DATA
OUTPUT BY
TRANSMITTER
DATA
OUTPUT BY
RECEIVER
1
9
8
START
CONDITION
Clock pulse
for acknowledge
not acknowledge
Figure 43. Acknowledge on the I
2
C-bus
2-1-4. FIRST BYTE
The first byte, which includes seven bits of slave address and one bit of R/W bit, is sent after the START condition. If the
transmitted slave address matches an address for one of the device, the receiver who has been addressed pulls down the
SDA line.
The most significant five bits of the slave address are fixed as “00100”. The next two bits are CAD1 and CAD0 (device
address bits). These two bits identify the specific device on the bus. The hard-wired input pins (CAD1 pin and CAD0
pin) set them. The eighth bit (LSB) of the first byte (R/W bit) defines whether a write or read condition is requested by
the master. A “1” indicates that the read operation is to be executed. A “0” indicates that the write operation is to be
executed.
0
0
1
0
0
CAD1
CAD0
R/W
(Those CAD1/0 should match with CAD1/0 pins.)
Figure 44. The First Byte
相關(guān)PDF資料
PDF描述
AK4115 High Feature 192kHz 24bit Digital Audio Interface Transceiver
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4115VQP 功能描述:IC AUDIO DECODER 24BIT 64LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類(lèi)型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱(chēng):Q4645799
AK4116 制造商:AKM 制造商全稱(chēng):AKM 功能描述:192kHz digital audio receiver
AK4116_05 制造商:AKM 制造商全稱(chēng):AKM 功能描述:Low Power 48kHz Digital Audio Receiver
AK4116384D 制造商:ACCUTEK 制造商全稱(chēng):ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory
AK4116384G 制造商:ACCUTEK 制造商全稱(chēng):ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory
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