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34825 Datasheet(PDF) 30 Page - Freescale Semiconductor, Inc

Part # 34825
Description  Micro-USB Interface IC Supporting Universal Charging Solution and Wired Accessories
PDF  39 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

34825 Datasheet(HTML) 30 Page - Freescale Semiconductor, Inc

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Table 15. S/W Control Register 1
Bit
Mode
Symbol
Reset
Description
Notes
1-0
R/W
VBUS Switching
01
VBUS line switching configuration
00: open all switches connected to the VBUS line.
01: internal power MOSFET on
10: VBUS connected to MIC
11: open all switches connected to the VBUS line.
4-2
R/W
DP/DM Switching
000
DP/DM line switching configuration
000: open all switches
001: DP connected to D+, DM connected to D-
010: DP connected to SPK_R, DM connected to SPK_L
011: DP connected to RxD, DM connected to TXD
Others: open all switches connected to the DP pin and DM pin
7-5
R
Reserved
000
Table 16. S/W Control Register 2
Bit
Mode
Symbol
Reset
Description
Notes
1-0
R/W
reserved
00
2
R/W
TEST1
1
TEST1 output
0: low-impedance
1: high-impedance
3
R/W
TEST2
0
TEST2 output
0: low voltage
1: high voltage
4
R/W
ISETB
0
ISET output
0: high-impedance
1: low-impedance
7-5
R/W
Reserved
000
Analog Integrated Circuit Device Data
30
Freescale Semiconductor
34825
FUNCTIONAL DEVICE OPERATION
REGISTER MAP



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