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MCP4728 데이터시트(PDF) 41 Page - Microchip Technology

부품명 MCP4728
상세설명  12-Bit, Quad Digital-to-Analog Converter with EEPROM Memory
PDF  66 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP4728 데이터시트(HTML) 41 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22187C-page 41
MCP4728
FIGURE 5-10:
Single Write Command: Write to a Single DAC Input Register and EEPROM.
2nd Byte
C2 C1 C0 W1 W0
3rd Byte
4th Byte
0
1
0
1
1 DAC1 DAC0 UDAC AVREF PD1 PD0 Gx D11 D10 D9 D8 A D7D6D5D4D3D2D1D0 A P
ACK
(MCP4728)
1st byte
DAC Input Register of Selected Channel
R/W
Device Addressing
ACK
(MCP4728)
Start
Single Write
S
1
1
0
0
A2A1A0
0
A
Command
Command Type Bits:
C2=0
C1=1
C0=0
W1=1
W0=1
Channel
Select
Note 1 and Note 2
Note 1:
VOUT Update:
If UDAC = 0 or LDAC Pin = 0: V
OUT is updated after the 4th byte’s ACK is issued.
2:
EEPROM Write:
The MCP4728 device starts writing EEPROM at the falling edge of the 4th byte’s ACK
pulse.
Stop



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