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34825 Datasheet(PDF) 28 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) 28 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
28
Freescale Semiconductor
34825
FUNCTIONAL DEVICE OPERATION
REGISTER MAP
Figure 25. Master Reads Slave Immediately after First Byte (Read Mode)
REGISTER MAP
Table 9. Register Map
Addr Register Type
Reset
Value
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
83H
Interrupt
R/C
00000000
OVP_OTP_DIS
OTP_EN
OVP_EN
LKR
LKP
KP
DETACH
ATTACH
85H
Interrupt Mask
R/W
00000000 OVP_OTP_DIS_m
OTP_EN_m
OVP_EN_m
LKR_m
LKP_m
KP_m
DETACH_m
ATTACH_m
87H
ADC Result
R
00011111
Reserved
Reserved
Reserved
ADC Value
88H
Timing Set
R/W
00000000
Key Press
Long Key Press
93H
S/W Control 1
R/W
00000001
Reserved
DP/DM Switching
VBUS Switching
94H
S/W Control 2
R/W
00000100
Reserved
Reserved
Reserved
ISETB
TEST2
TEST1
Reserved
A0H
Status
R
0x000xxx
Reserved
FET_STATUS
USB_CHG
DP/DM_SHORT
ID_GND
ID_FLOAT
VBUS_DET
ADC_STATUS
A1H
Control
R/W
011000x0
Reserved
Reserved
AutoPSAVE
Reserved
Reserved
RESET
Reserved
Reserved
A2H
Time Delay
R/W
10010100
Reserved
Reserved
Reserved
Reserved
TD
A3H
Device Mode
R/W
00000001
Reserved
Reserved
Reserved
Reserved
Reserved
PSAVE
ACTIVE
RST
Table 10. Interrupt Register
Bit
Mode
Symbol
Reset
Description
Notes
0
R/C
ATTACH
0
1: accessory attached
1
R/C
DETACH
0
1: accessory detached
2
R/C
KP
0
1: remote controller short key is pressed
3
R/C
LKP
0
1: remote controller long key is pressed
4
R/C
LKR
0
1: remote controller long key is released
5
R/C
OVP_EN
0
1: VBUS voltage higher than the OVP threshold
6
R/C
OTP_EN
0
1: The temperature of 34825 is above the OTP threshold
7
R/C
OVP_OTP_DIS
0
1: OVP or OTP event is removed
Table 11. Interrupt Mask Register
Bit
Mode
Symbol
Reset
Description
Notes
0
R/W
ATTACH_m
0
1: interrupt disabled
1
R/W
DETACH_m
0
1: interrupt disabled
2
R/W
KP_m
0
1: interrupt disabled
3
R/W
LKP_m
0
1: interrupt disabled
4
R/W
LKR_m
0
1: interrupt disabled



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