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AS1116
Datasheet - D e t a i l e d D e s c r i p t i o n
Digit- and Control-Registers
The AS1116 devices contain 8 Digit-Registers,11 control-registers and 8 diagnostic-registers, which are listed in Table 7 . All registers are
selected using a 8-bit address word, and communication is done via the serial interface.
Digit Registers – These registers are realized with an on-chip 64-bit memory. Each digit can be controlled directly without rewriting the
whole register contents.
Control Registers – These registers consist of decode mode, display intensity, number of scanned digits, shutdown, display test and fea-
tures selection registers.
Table 7. Register Address Map
Register
No-Op
Digit 0
Digit 1
Digit 2
Digit 3
Digit 4
Digit 5
Digit 6
Digit 7
Decode-Mode
Global Intensity
Scan Limit
Shutdown
Not Used
Feature
Display Test Mode
D15
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
D14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0/1
0
D13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D11
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D10
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Address
D9
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D8
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D7:D0
(see Table 10 on page 12 ,
Table 11 on page 13 and
Table 12 on page 13 )
( see Table 9 on page 12 )
( see Table 16 on page 15 )
( see Table 18 on page 15 )
( see Table 8 on page 12 )
( see Table 19 on page 16 )
( see Table 13 on page 14 )
Page
16
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
12
15
15
12
N/A
16
12
DIG0:DIG1 Intensity
DIG2:DIG3 Intensity
DIG4:DIG5 Intensity
DIG6:DIG7 Intensity
Diagnostic Digit 0
Diagnostic Digit 1
Diagnostic Digit 2
Diagnostic Digit 3
Diagnostic Digit 4
Diagnostic Digit 5
Diagnostic Digit 6
Diagnostic Digit 7
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
( see Table 17 on page 15 )
( see Table 17 on page 15)
( see Table 17 on page 15 )
( see Table 17 on page 15 )
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Note: Write operation: D14=0; Read operation: D14=1.
www.austriamicrosystems.com/LED-Driver-ICs/AS1116
Revision 1.08
11 - 23
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