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參數(shù)資料
| 型號： | DS1881 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | Dual NV Audio Taper Digital Potentiometer |
| 中文描述： | 雙通道、非易失、音頻、對數(shù)數(shù)字電位器 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 234K |
| 代理商： | DS1881 |
D
Dual NV Audio Taper Digital Potentiometer
14
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setup time (see Figure 4) before the next rising edge of
SCL during a bit read. The device shifts out each bit of
data on SDA at the falling edge of the previous SCL
pulse and the data bit is valid at the rising edge of the
current SCL pulse. Remember that the master gener-
ates all SCL clock pulses including when it is reading
bits from the slave.
Acknowledgement (ACK and NACK):
An Acknowledge-
ment (ACK) or Not Acknowledge (NACK) is always the
9th bit transmitted during a byte transfer. The device
receiving data (the master during a read or the slave
during a write operation) performs an ACK by transmit-
ting a zero during the 9th bit. A device performs a
NACK by transmitting a one during the 9th bit. Timing
(Figure 4) for the ACK and NACK is identical to all other
bit writes. An ACK is the acknowledgment that the
device is properly receiving data. A NACK is used to
terminate a read sequence or as an indication that the
device is not receiving data.
STOP
CONDITION
OR REPEATED
START
CONDITION
REPEATED IF MORE BYTES
ARE TRANSFERRED
ACK
START
CONDITION
ACK
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
SLAVE ADDRESS
MSB
SCL
SDA
R/W
DIRECTION
BIT
1
2
6
7
8
9
1
2
8
9
3–7
Figure 3. Data Transfer Protocol
SDA
SCL
t
HD:STA
t
LOW
t
HIGH
t
R
t
F
t
HD:DAT
t
SU:DAT
REPEATED
START
t
SU:STA
t
HD:STA
t
SU:STO
t
SP
STOP
START
t
BUF
NOTE: TIMING IS REFERENCED TO V
IL(MAX)
AND V
IH(MIN)
.
Figure 4. I
2
C Timing Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1881E-045 | Dual NV Audio Taper Digital Potentiometer |
| DS1881E-045R | Dual NV Audio Taper Digital Potentiometer |
| DS1881E-045T | Dual NV Audio Taper Digital Potentiometer |
| DS1881Z-045 | Dual NV Audio Taper Digital Potentiometer |
| DS1881Z-045R | Dual NV Audio Taper Digital Potentiometer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1881E-045 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual NV Audio Taper Digital Potentiometer |
| DS1881E-045R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual NV Audio Taper Digital Potentiometer |
| DS1881E-045T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual NV Audio Taper Digital Potentiometer |
| DS1881E-050 | 制造商:Maxim Integrated Products 功能描述:DUAL NV 45K AUDIO POT TSSOP-16 - Rail/Tube |
| DS1881E-050/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL NV 45K AUDIO POT TSSOP 16 TRL - Tape and Reel |
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