AS3693A QFN48
8 Register map
austria micro systems
Name
Reg. Control1
Reg Control 2
Addr
01h
02h
Def
ault
00h
00h
B7
Curreg
8_ON
Curreg
16_ON
b6
Curreg7
_ON
Curreg1
5_ON
b5
Curreg6
_ON
Curreg1
4_ON
B4
Curreg5
_ON
Curreg1
3_ON
b3
Curreg4
_ON
Curreg1
2_ON
b2
Curreg
3_ON
Curreg
11_ON
b1
Curreg
2_ON
Curreg
10_ON
b0
Curreg1
_ON
Curreg9
_ON
Feedback Control
04h
00h
DCDC_REGULATI
ON_TRIP_POINT
Short_Led Detect
Voltage
SHORT
_DET_
ON
OPEN_
LED
_DET
_ON
Feedba
ck_on_
PWM
FEEDB
ACK_O
N
Fedback Select 1
Fedback Select 2
Fedback Select 3
Fedback Select 4
Voltage_Fault 1
Voltage_Fault 2
Voltage_Fault 3
Voltage_Fault 4
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
00h
00h
00h
00h
00h
00h
00h
00h
FB4_ Select
FB8_ Select
FB12_ Select
FB16_ Select
Fault_Reg4
Fault_Reg8
Fault_Reg12
Fault_Reg16
FB3_ Select
FB7_ Select
FB11_ Select
FB15_ Select
Fault_Reg3
Fault_Reg7
Fault_Reg11
Fault_Reg15
FB2_ Select
FB6_ Select
FB10_ Select
FB14_ Select
Fault_Reg2
Fault_Reg6
Fault_Reg10
Fault_Reg14
FB1_Select
FB5_ Select
FB9_ Select
FB13_ Select
Fault_Reg1
Fault_Reg5
Fault_Reg9
Fault_Reg13
CURREG_CONTR
OL
0Dh
00h
boost
mode
switch_
output_
driver
PWM_LOW_LEVE
L
RC_SEL
Select Ref
Ref_DAC_Voltage
0Eh
00h
Vref_DAC
VSYNC
PWM-
PWM –CONTROL
0Fh
04h
_INVER
INT/EX
PWM - MODE
T
T
PWM-
PERIOD_LSB
PWM-PERIOD-
MSB
Curreg1_HT_LSB
Curreg1_HT_MSB
Curreg2_HT_LSB
Curreg2_HT_MSB
Curreg3_HT_LSB
Curreg3_HT_MSB
Curreg4_HT_LSB
Curreg4_HT_MSB
Curreg5_HT_LSB
Curreg5_HT_MSB
Curreg6_HT_LSB
Curreg6_HT_MSB
Curreg7_HT_LSB
Curreg7_HT_MSB
Curreg8_HT_LSB
Curreg8_HT_MSB
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
20h
21h
FFh
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
PWM –PERIOD - LSB
Curreg1_HT_LSB
Curreg2_HT_LSB
Curreg3_HT_LSB
Curreg4_HT_LSB
Curreg5_HT_LSB
Curreg6_HT_LSB
Curreg7_HT_LSB
Curreg8_HT_LSB
PWM – period - MSB
Curreg1_HT_MSB
Curreg2_HT_MSB
Curreg3_HT_ MSB
Curreg4_HT_ MSB
Curreg5_HT_ MSB
Curreg6_HT_ MSB
Curreg7_HT_ MSB
Curreg8_HT_ MSB
www.austriamicrosystems.com
Revision 1.14 / 2010
23 - 39
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