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PCA2117DUGS/DA Datasheet(PDF) 70 Page - NXP Semiconductors

Part # PCA2117DUGS/DA
Description  Automotive LCD driver for character displays
PDF  107 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA2117DUGS/DA Datasheet(HTML) 70 Page - NXP Semiconductors

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PCA2117
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 4 — 8 April 2015
70 of 107
NXP Semiconductors
PCA2117
Automotive LCD driver for character displays
2. Extended example: select new mem address
2.1 Setting the address pointer[1]
I2C-START
S
Slave address
0
1
1
1
0
1
SA0
R/W
0
Acknowledge from PCA2117
A
CO
0
RS[1:0]
0
0
-
-
-
-
-
Acknowledge from PCA2117
A
Command: Set_mem_addr
1
ADD[6:0]
address 40h
1
0
0
0
0
0
0
Acknowledge from PCA2117
A
2.2 Select read RAM data from new mem address
I2C-RESTART
Sr
Slave address
0
1
1
1
0
1
SA0
R/W
0
Acknowledge from PCA2117
A
CO
0
RS[1:0]
0
1
-
-
-
-
-
Acknowledge from PCA2117
A
I2C-RESTART
Sr
Slave address
0
1
1
1
0
1
SA0
R/W
1
Acknowledge from PCA2117
A
Command: Read_data
reading 0 to n byte
Acknowledge from master after
each byte
A
I2C-STOP
P
3. Extended example: decrementing address pointer
3.1 Setting the address pointer[1]
I2C-START
S
Slave address
0
1
1
1
0
1
SA0
R/W
0
Acknowledge from PCA2117
A
CO
0
RS[1:0]
0
0
-
-
-
-
-
Acknowledge from PCA2117
A
Command: Set_mem_addr
1
ADD[6:0]
address 4Fh
1
0
0
1
1
1
1
Acknowledge from PCA2117
A
Table 44.
Example: Reading from RAM by I2C-bus …continued
Bits labeled as - are ignored.
Commands and signals
Values



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