AS1117
Datasheet - D e t a i l e d D e s c r i p t i o n
8 Detailed Description
Block Diagram
Figure 16. AS1117 - Block Diagram
VDD
Open/Short
Detection
16
VDD
9
RESETN
+
VDD
100nF
R SET
+
Oszillator
10
ISET
VDD
8
12-15, 17-20
VDD
21
IRQ
Digital Control
Logic
(PWM, Debounce,....)
8
SEGA-G,
SEGDP
1,2,4,5,6,7,23,24
DIG0 to DIG7
8
VDD
11
KEY
SCL
22
SDA
I2C
Interface
Registers
Data - Registers
3
GND
Control - Registers
Figure 17. ESD Structure
Scan - Registers
AS1117
VDD
valid for the pins:
- IRQ
- SCL
- SDA
- ISET
- SEGA-G, SEGDP
- KEY
- RESETN
VDD
valid for the pins:
- DIG0 to DIG7
www.austriamicrosystems.com/LED-Driver-ICs/AS1117
Revision 1.00
8 - 23
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