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DA6021 Datasheet(PDF) 198 Page - Renesas Technology Corp

Part # DA6021
Description  HIGHLY INTEGRATED POWER MANAGEMENT IC FOR INTEL® ATOM™ Z3000 PROCESSOR
PDF  225 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA6021 Datasheet(HTML) 198 Page - Renesas Technology Corp

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DA6021
HIGHLY INTEGRATED POWER MANAGEMENT IC FOR
INTEL® ATOM™ Z3000 PROCESSOR
Company Confidential
Data Sheet
Version 3.A - Final
31-Jan-14
© 2014 Dialog Semiconductor GmbH
198 of 224
www.dialog-semiconductor.com
The output of the de-bouncer also goes to the timer logic block that measures the length of time that the button
has been held down, and this value can be read from the Hold Time field (UIBHT[4:0]) in the UIBSTATUS
register.
Power Button Registers
20.9
Register Name
PBCONFIG
Address
0x26
Page 1
Read/Write
0x63
MSB
LSB
R
R
R/W
R/W
R/W
R/W
R/W
R/W
PBDBCNT
UIBTNDISABLE CLRUIBHT
FCOT[3:0]
FCOT[3:0]
0000
0001
0010
0011
…
1111
Time that PWR and UI buttons have to be held down together
before a system power down is triggered
Disable
3.0s
3.5s
4s
…
10s
CLRUIBHT
0
1
No action performed
Reset the UIBTN HT timer logic
UIBTNDISABLE
0
1
UIBTN not disabled
UIBTN disabled
PBDBCNT
00
01
10
11
Power button input pin debounce time
10ms
30ms
60ms
100ms
Register Name
PBSTATUS
Address
0x27
Page 1
Read
0x20
MSB
LSB
R
R
R
R
R
R
R
R
PBDT
PBLVL
PBHT[3:0]
PBHT[3:0]
00000
00001
00010
…
11111
Time that PWR button has been held down
0s
0.5s
1s
…
15.5s
PBLVL
0
1
PWR button pressed
PWR button released
PBDT
00
01
10
11
Power button disable timer, clears when expired
not disabled (0s)
30s disabled
60s disabled
120s disabled



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