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AS1113
Datasheet - P i n o u t
4 Pinout
Pin Assignments
Figure 2. Pin Assignments (Top View)
28 27 26 25 24 23 22
CLK
1
21 SDO
LD
2
20 OEN
24 23 22 21 20 19 18 17 16 15 14 13
OUTN0
3
AS1113
19 OUTN15
OUTN1
OUTN2
4
5
28-pin QFN 5x5
18 OUTN14
17 OUTN13
AS1113
24-pin SSOP
OUTN3
6
16 OUTN12
OUTN4
7
15 OUTN11
1
2
3
4
5
6
7
8
9 10 11 12
8
9
10 11 12 13 14
Pin Descriptions
Table 1. Pin Descriptions
Pin Number
SSOP QFN
Pin Name
Description
1
2
24:27
28
GND
SDI
Ground
Serial Data Input
Serial Data Clock . The rising edge of the CLK signal is used to clock data
3
1
CLK
into and out of the AS1113 shift register. In error mode, the rising edge of the
CLK signal is used to switch error modes.
4
5:20
2
3:10
12:19
LD
OUTN0:15
Serial Data Load
Output Current Drivers . These pins are used as LED drivers or for input
sense for diagnostic modes. Data is transferred to the data register at the
rising edge of these pins.
Output Enable . The active-low pin OEN signal can always enable output
21
20
OEN
drivers to sink current independent of the AS1113 mode.
0 = Output drivers are enabled.
1 = Output drivers are disabled.
Serial Data Output . In normal mode SDO is latched out 8.5 clock cycles
after SDI is latched in.
22
21
SDO
In global error detection mode this pin indicates the occurrence of a global
error.
0 = Global error mode returned an error.
1 = No errors.
23
24
-
22
23
11
REXT
V DD
N/C
External Resistor Connection . This pin connects through the external
resistor (R EXT ) to GND, to setup the load current.
Positive Supply Voltage
Not connected
www.austriamicrosystems.com/LED-Driver-ICs/AS1113
Revision 1.04
3 - 24
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