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PA5155 Datasheet(PDF) 22 Page - Protek Devices

Part # PA5155
Description  Low Power Stereo Audio CODEC With Headphone Amplifier
PDF  27 Pages
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Manufacturer  PROTEC [Protek Devices]
Direct Link  http://www.protekdevices.com
Logo PROTEC - Protek Devices

PA5155 Datasheet(HTML) 22 Page - Protek Devices

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ANALOG PRODUCTS DIVISION
561 E. Elliot Road #175 Chandler, AZ 85225 Tel: (480) 539-2900. Fax: (480) 747-1715
www.protekanalog.com
PA5155
Low Power Stereo Audio CODEC
With Headphone Amplifier
95244 Rev.0. 01/10
NOT FOR USE IN LIFE SUPPORT SYSTEMS
18
– divide by 66
19
– divide by 72
other
– divide by 4
REFERENCE SETTING
Register 46
– Control Port Registers Reset, Default 0000 0000
Bit Name
Bit
Description
RST_CP
7
0
– not reset (default)
1
– reset all registers of control port
Register 47
– Power Down Control, Default 0000 1100
Bit Name
Bit
Description
PDN_ANA
3
0
– not power down
1
– power down analog blocks (default)
PDN_DIG
2
0
– not power down
1
– power down digital blocks (default)
PDN_FSM
1
0
– not power down (default)
1
– power down FSM
PDN_DLL
0
0
– not power down (default)
1
– power down DLL
Register 48
– Reference 1, Default 0000 0000
Bit Name
Bit
Description
SEQ_EN
0
0
– internal power up/down sequence disable (default)
1
– internal power up/down sequence enable
Register 49
– Reference 2, Default 0010 1000
Bit Name
Bit
Description
ENREFR
5
0
– disable reference
1
– enable reference (default)
VROI
4
0
– 1.5k VREF to analog output resistance (default)
1
– 40k VREF to analog output resistance
VMIDSEL
3:2
00
– Vmid disabled (off mode)
01
– 50k divider enabled (playback/record mode)
10
– 500k divider enabled (standby mode, default)
11
– 5 k divider enabled (fast start-up mode)
VMIDLOW
1:0
Reserved
Register 50
– Reference 3, Default 0011 0100
Bit Name
Bit
Description
PDN_VREFGEN
5
0
– not power down
1
– power down VREFGEN (default)
PDN_IBIASGEN
4
0
– not power down
1
– power down IBIASGEN (default)
LP_DACVRP
3
0
– normal (default)
1
– low power mode for DACVRP
LP_VREFBUF
2
0
– normal
1
– low power for VREFBUF (default)
PDN_VREFBUF
1
0
– not power down (default)
1
– power down VREFBUF
VREFR_LO
0
0
– normal (default)
1
– low power for VREFR
Register 51
– Reference 4, Default 1111 1100
Bit Name
Bit
Description
IBIASSW
7
Reserved



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