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34708 Datasheet(PDF) 131 Page - Freescale Semiconductor, Inc

Part # 34708
Description  Power Management Integrated Circuit (PMIC) for i.MX50/53 Families
PDF  159 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

34708 Datasheet(HTML) 131 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
131
Freescale Semiconductor
MC34708
Functional Block Description
Table 135. Register 30, Regulator Setting 0
Name
Bit #
R/W
Reset
Default
Description
VGEN1[2:0]
2-0
R/WM
RESETB
*
VGEN1 setting
Unused
3
R
0x0
Not available
VDAC[1:0]
5-4
R/WM
RESETB
*
VDAC setting
VGEN2[2:0]
8-6
R/WM
RESETB
*
VGEN2 setting
VPLL[1:0]
10-9
R/WM
RESETB
*
VPLL setting
VUSB2[1:0]
12-11 R/WM
RESETB
*
VUSB2 setting
Unused
23-13
R
0x000
Not available
Table 136. Register 31, SWBST Control
Name
Bit #
R/W
Reset
Default
Description
SWBST[1:0]
1-0
R/W
NONE
*
SWBST setting
SWBSTMODE[1:0]
3-2
R/W
RESETB
0x2
SWBST mode
Spare
4
R/W
RESETB
0x0
Not available
SWBSTSTBYMODE[1:0]
6-5
R/W
RESETB
0x2
SWBST standby mode
Spare
7
R/W
RESETB
0x0
Not available
Unused
23-8
R
0x0000 Not available
Table 137. Register 32, Regulator Mode 0
Name
Bit #
R/W
Reset
Default
Description
VGEN1EN
0
R/W
NONE
*
VGEN1 enable
VGEN1STBY
1
R/W
RESETB
0x0
VGEN1 controlled by standby
VUSBSEL
2
R/W
NONE
*
Slave or Host configuration for VBUS
VUSBEN
3
R/W
RESETB
0x1
VUSB enable (PUMS4:1=[0100]). Also reset to 1 by invalid
VBUS
VDACEN
4
R/W
NONE
*
VDAC enable
VDACSTBY
5
R/W
RESETB
0x0
VDAC controlled by standby
VDACMODE
6
R/W
RESETB
0x0
VDAC operating mode
Unused
9-7
R
0x0
Not available
VREFDDREN
10
R/W
NONE
*
VREFDDR enable
VGEN2CONFIG
11
R/W
NONE
*
PUMS5 Tied to ground = 0: VGEN2 with external PNP
PUMS5 Tied to VCROREDIG =1:VGEN2 internal PMOS
VGEN2EN
12
R/W
NONE
*
VGEN2 enable
VGEN2STBY
13
R/W
RESETB
0x0
VGEN2 controlled by standby
VGEN2MODE
14
R/W
RESETB
0x0
VGEN2 operating mode
VPLLEN
15
R/W
NONE
*
VPLL enable
VPLLSTBY
16
R/W
RESETB
0x0
VPLL controlled by standby
VUSB2CONFIG
17
R/W
NONE
*
PUMS5 Tied to ground = 0: VUSB2 with external PNP
PUMS5 Tied to VCROREDIG =1:VUSB2 internal PMOS
VUSB2EN
18
R/W
NONE
*
VUSB2 enable



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