AS1115-BSST Просмотр технического описания (PDF) - austriamicrosystems AG
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AS1115-BSST Datasheet PDF : 24 Pages
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AS1115
Datasheet - Detailed Description
Command Byte
The AS1115 operation, (see Table 6) is determined by a command byte (see Figure 21 on page 11).
Figure 21. Command Byte
MSB
6
5
4
3
2
1
LSB
D15
D14
D13
D12
D11
D10
D09
D08
Figure 22. Command and Single Data Byte Received
From Master to Slave
From Slave to Master
AS1115 Registers
0
D15 D14 D13 D12 D11 D10 D9 D8
D7 D6 D5 D4 D3 D2 D1 D0
S
Slave Address
R/W A
Command Byte
A
Acknowledge
from AS1115 0
Acknowledge
from AS1115 0
Data Byte
AP
1 Byte
Acknowledge
from AS1115 0
Autoincrement
Memory Word
Address
Figure 23. Setting the Pointer to a Address Register to select a Data Register for a Read Operation
From Master to Slave
From Slave to Master
AS1115 Registers
0
D15 D14 D13 D12 D11 D10 D9 D8
S
Slave Address
R/W A
Command Byte
AP
Acknowledge
from AS1115 0
Acknowledge
from AS1115 0
Figure 24. Reading nBytes from AS1115
From Master to Slave
From Slave to Master Acknowledge
from AS1115 0
S
Slave Address
R/W A
Autoincrement
Memory Word
Address
Acknowledge
from Master 0
First Data Byte
A
Stop reading
Not Acknowledge
from Master
1
n Bytes
Second Data Byte
/A P
1
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
AS1115 Registers
Autoincrement
to next address
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