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MCP4728 датащи(PDF) 45 Page - Microchip Technology

номер детали MCP4728
подробное описание детали  12-Bit, Quad Digital-to-Analog Converter with EEPROM Memory
PDF  66 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP4728 датащи(HTML) 45 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22187C-page 45
MCP4728
FIGURE 5-15:
Read Command and Device Outputs.
Note 1: The 2nd - 4th bytes are the contents of the DAC Input Register and the 5th - 7th bytes
are the EEPROM contents.
The device outputs sequentially from channel A to D.
POR Bit: 1 = Set (Device is powered on with V
DD > VPOR), 0 = Powered off state.
R/W
Device Code
ACK
(MCP4728)
Start
S
1
1
0
0
A2A1A0
1
A
Read Command
Address Bits
2nd Byte
Channel A DAC Input Register
4th Byte
3rd Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
ACK
(MCP4728)
5th Byte
Channel A DAC EEPROM
7th Byte
6th Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
2nd Byte
Channel B DAC Input Register
4th Byte
3rd Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
5th Byte
Channel B DAC EEPROM
7th Byte
6th Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
2nd Byte
Channel C DAC Input Register
4th Byte
3rd Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
5th Byte
Channel C DAC EEPROM
7th Byte
6th Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
2nd Byte
Channel D DAC Input Register
4th Byte
3rd Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
5th Byte
Channel D DAC EEPROM
7th Byte
6th Byte
Stop
RDY/
BSY
POR DAC1 DAC 0 0
A2
A1 A0 AVREF
PD1 PD0 GX D11 D10 D9 D8 A D7D6D5D4D3D2 D1 D0 A P
Repeat



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