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RT4801HWSC Datenblatt(PDF) 9 Page - Richtek Technology Corporation

Teilenummer RT4801HWSC
Bauteilbeschribung  Dual Output LCD Bias for Smartphones and Tablets
PDF  22 Pages
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Hersteller  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT4801HWSC Datenblatt(HTML) 9 Page - Richtek Technology Corporation

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RT4801H
Copyright © 2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS4801H-00
May
2016
www.richtek.com
9
I
2C Command
Slave Address
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 = LSB
1
1
1
0
0
1
1
R/W
Write Command
(a) Write single byte of data to Register
1
1
1
0
0
1
1
0
Slave
ACK
Slave Address
Register Address
R7 R6
R3
R5 R4
R2 R1 R0 Slave
ACK
Data From Master
Start
Slave
ACK
Stop
D7 D6 D5 D4 D3 D2 D1 D0
(b) Write multiple bytes of data to Registers
1
1
1
0
0
1
1
0
Slave
ACK
Slave Address
Register Address nth
Slave
ACK
nth Data From Master
Start
D7 D6 D5 D4 D3 D2 D1 D0 Slave
ACK
Slave
ACK
Stop
(n + 1)th Data From Master
Last Data From Master
R7 R6
R3
R5 R4
R2 R1 R0
D7 D6 D5 D4 D3 D2 D1 D0
Slave
ACK
D7 D6 D5 D4 D3 D2 D1 D0
Read Command
(a) Read single byte of data from Register
1
1
1
0
0
1
1
0
Slave
ACK
Slave Address
Register Address
1
1
1
0
0
1
1
1
Slave
ACK
Slave Address
Data From Master
Re-
start
Start
Slave
ACK
D7 D6 D5 D4 D3 D2 D1 D0
Master
NACK
Stop
D7 D6 D5 D4 D3 D2 D1 D0
(b) Read multiple bytes of data from Registers
1
1
1
0
0
1
1
0
Slave
ACK
1
1
1
0
0
1
1
1
Slave
ACK
Slave Address
nth Data From Master
Master
ACK
Re-
start
Start
Slave Address
Register Address
Master
NACK
Stop
Last Data From Master
D7 D6 D5 D4 D3 D2 D1 D0
Slave
ACK
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Start : Start command
R7 to R0 : Register Address.
VOP : Register address = 0X00h
VON : Register address = 0X01h
DISP : Register address = 0x03h
DISN : Register address = 0x03h
APPS : Register address = 0x03h
R/W : Read active (R/W = H) or Write active (R/W = L)
ACK : Acknowledge = L active
D7 to D0 : Write data when WRITE command or read
data when READ command
Stop : Stop command



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