AS1115 austriamicrosystems AG, AS1115 Datasheet - Page 11

• Manufacturer Part Number: AS1115
• Description: Interfaced LED Driver
• Manufacturer: austriamicrosystems AG

AS1115
Datasheet - D e t a i l e d D e s c r i p t i o n
Command Byte
The AS1115 operation, (see Table 6) is determined by a command byte
Figure 21. Command Byte
Figure 22. Command and Single Data Byte Received
Figure 23. Setting the Pointer to a Address Register to select a Data Register for a Read Operation
Figure 24. Reading nBytes from AS1115
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S
S
S
From Slave to Master
From Slave to Master
From Slave to Master
From Master to Slave
From Master to Slave
From Master to Slave
Slave Address
Slave Address
Slave Address
Acknowledge
Acknowledge
Acknowledge
from AS1115
from AS1115
from AS1115
MSB
D15
R/W
R/W
R/W
0
0
1
D14
6
A
0
A
0
0
A
AS1115 Registers
AS1115 Registers
AS1115 Registers
D15
D15
D7
D13
D14 D13 D12 D11 D10 D9
D14 D13 D12 D11 D10 D9
5
D6
D5
Command Byte
Command Byte
First Data Byte
Revision 1.03
D12
D4
4
D3
D11
D2
Acknowledge
Acknowledge
Acknowledge
from AS1115
from AS1115
from Master
3
D1
to next address
D8
D8
D0
Autoincrement
Autoincrement
Memory Word
D10
2
Address
(see Figure 21 on page
A
A
A
0
0
0
D7
D7
P
D09
1
D6
D6
Second Data Byte
D5
D5
LSB
D08
Data Byte
D4
D4
n Bytes
1 Byte
D3
D3
Not Acknowledge
11).
D2
from Master
D2
Acknowledge
from AS1115
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D1
D1
Autoincrement
Memory Word
D0
D0
Address
Stop reading
/A
A
0
1
11 - 24
P
P