adau1461 Analog Devices, Inc., adau1461 Datasheet - Page 50

• Manufacturer Part Number: adau1461
• Description: Sigmadsp Stereo, Low Power, 96 Khz, 24-bit Audio Codec With Integrated Pll Adau1461
• Manufacturer: Analog Devices, Inc.

ADAU1461
Reg
R47
R48
R49
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
R62
R63
R64
R65
R66
CONTROL REGISTER DETAILS
All registers except for the PLL control register are 1-byte write and read registers.
R0: Clock Control, 16,384 (0x4000)
Bit 7
Table 33. Clock Control Register
Bits
3
[2:1]
0
Address
0x40C4
0x40C6
0x40C7
0x40C8
0x40C9
0x40D0
0x40D1
0x40D2
0x40D3
0x40D4
0x40EB
0x40F2
0x40F3
0x40F4
0x40F5
0x40F6
0x40F7
0x40F8
0x40F9
0x40FA
Bit Name
CLKSRC
INFREQ[1:0]
COREN
Bit 6
Name
CRC enable
GPIO0 pin control
GPIO1 pin control
GPIO2 pin control
GPIO3 pin control
Watchdog enable
Watchdog value
Watchdog error
DSP sampling rate
setting
Serial input route
control
Serial output route
control
Serial data/GPIO
pin configuration
DSP enable
DSP run
DSP slew modes
Serial port
sampling rate
Clock Enable 0
Clock Enable 1
Description
Clock source select.
0 = direct from MCLK pin (default).
1 = PLL clock.
Input clock frequency. Sets the core clock rate that generates the core clock. If the PLL is used, this value is
automatically set to 1024 × f
Setting
00
01
10
11
Core clock enable. Only the R0 and R1 registers can be accessed when this bit is set to 0 (core clock disabled).
0 = core clock disabled (default).
1 = core clock enabled.
Reserved
Bit 5
Bit 7
Reserved
Reserved
Bit 6
SLEWPD
Bit 4
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
S
.
Input Clock Frequency
256 × f
512 × f
768 × f
1024 × f
Bit 5
ALCPD
Rev. 0 | Page 50 of 88
Reserved
Reserved
S
S
S
(default)
S
Bit 3
CLKSRC
Bit 4
MOSLW
DECPD
Reserved
Reserved
Reserved
Reserved
Reserved
DOG[23:16]
DOG[15:8]
DOG[7:0]
Bit 3
LRGP3
ROSLW
SOUTPD
Bit 2
Bit 2
BGP2
LOSLW
INTPD
INFREQ[1:0]
SOUTRT[3:0]
DSPSR[3:0]
GPIO0[3:0]
GPIO1[3:0]
GPIO2[3:0]
GPIO3[3:0]
SINRT[3:0]
Bit 1
Bit 1
SDOGP1
RHPSLW
SINPD
CLK1
SPSR[2:0]
Bit 0
CRCEN
DOGEN
DOGER
SDIGP0
DSPEN
DSPRUN
LHPSLW
SPPD
CLK0
Bit 0
COREN
Default
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000001
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000