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PC34709VK Scheda tecnica(PDF) 21 Page - Freescale Semiconductor, Inc

Il numero della parte PC34709VK
Spiegazioni elettronici  Power Management Integrated Circuit (PMIC) for i.MX50/53 Families
PDF  142 Pages
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Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PC34709VK Scheda tecnica(HTML) 21 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
21
Freescale Semiconductor
34709
Functional Block Description
The power-up sequence is shown in Tables 10 and 11. VCOREDIG, VSRTC, and VCORE, are brought up in the pre-sequencer
start-up.
VUSB(29)
Reserved
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
VUSB2
Reserved
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
VSRTC
Reserved
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.2
1.2
1.2
VPLL
Reserved
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
VREFDDR
Reserved
On
On
On
On
On
On
On
On
On
On
On
VDAC
Reserved
2.775
2.775
2.775
2.775
2.775
2.5
2.5
2.5
2.5
2.5
2.5
VGEN1
Reserved
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.2
1.2
1.2
VGEN2
Reserved
2.5
2.5
2.5
2.5
2.5
3.1
3.1
3.1
3.1
2.5
2.5
Notes
28.
The SWx node are activated in APS mode when enabled by the start-up sequencer.
29.
VUSB is supplied by SWBST.
Table 10. Power-up Sequence i.MX53
Tap x 2.0 ms
PUMS [4:1] = [0101,0110,0111,1000,1001] (i.MX53)
0
SW2 (VCC)
1
VPLL (NVCC_CKIH = 1.8 V)
2
VGEN2 (VDD_REG= 2.5 V, external PNP
3
SW3 (VDDA)
4
SW1A/B (VDDGP)
5
SW4A/B, VREFDDR (DDR/SYS)
6
7
SW5 (I/O), VGEN1
8
VUSB, VUSB2
9
VDAC
Table 11. Power-up Sequence i.MX50
Tap x 2.0 ms PUMS [4:1] = [0100, 1011, 1100, 1101, 1110, 1111] (i.MX50/I.MX53)
0
SW2
1
SW3
2
SW1A/B
3
VDAC
4
SW4A/B, VREFDDR
5
SW5
6
VGEN2, VUSB2
7
VPLL
8
VGEN1
9
VUSB
Table 9. Power-up Defaults
i.MX
Reserved
53
LPM
53
DDR2
53
DDR3
53
LVDDR3
53
LVDDR2
50
50
50
50
50
50



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