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AS3606 Datasheet(PDF) 55 Page - ams AG

Part No. AS3606
Description  System PMU with HV Back Light Driver
Download  71 Pages
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Maker  AMSCO [ams AG]
Homepage  http://www.ams.com
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AS3606 Datasheet(HTML) 55 Page - ams AG

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www.austriamicrosystems.com
Revision 1.03
54 - 70
AS3606 AS3607 2v2
Data Sheet - R e g i s t e r D e f i n i t i o n
Table 45. SYSTEM Register
Name
Base
Default
SYSTEM
2-wire serial
51h
Offset: 20h
SYSTEM Register
This register is reset at a VDD27-POR or XRES input.
Bit
Bit Name
Default
Access
Bit Description
7:4
Design_Version<3:0>
0101
R
Number to identify the design version
0101: for chip version 2v2
3-
0
n/a
2
JTEMP_SUP_OFF
0
R/W
Junction temperature supervision (level can be set in register 21h)
0: temperature supervision enabled
1: temperature supervision disabled
1
I2C_WD_ON
0
R/W
2-wire serial interface watchdog
To reset the watchdog counter a 2-wire serial read operation has to be
performed at least every 500ms. If the watchdog counter is not reset, the
PMU will be powered down.
0: watchdog is disabled
1: watchdog is enabled
0
PWR_HOLD
1
R/W
0: power up hold is cleared and PMU will power down
1: is automatically set to on after power on
Table 46. SUPERVISOR1 Register
Name
Base
Default
SUPERVISOR1
2-wire serial
00h
Offset: 21h
SUPERVISOR Register 1
This register is reset at a VDD27-POR or XRES input.
Bit
Bit Name
Default
Access
Bit Description
7:6
PWRUP_SD_XRES
<1:0>
00
R/W
Applying a high signal on PWRUP pin for about 8s will
00: perform a reset cycle
01: have no effect
10: initiate a shut-down
11: initiate a shut-down
5
SD_XRES_TIME
0
R/W
Halfs the time from pulling PWRUP high to XRES or SD
0: 8s
1: 4s
4:0
JTEMP_SUP<4:0>
0
R/W
Sets the threshold for junction temperature emergency shutdown and
junction temperature interrupt
Invoke shutdown at: JTemp_SD=140-JTEMP_Sup*5ºC
Invoke interrupt at: JTemp_IRQ=120-JTEMP_Sup*5ºC
JT_Sup
00000
00001
.
.
11110
11111
IRQ
120°C
115°C
.
.
-30°C
-35°C
Shutdown
140°C
135°C
.
.
-10°C
-15°C


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