Datasheet

Registers STA309A
42/67 Doc ID 13855 Rev 4
7.2.35 PREEQ - Preset EQ settings (0x22)
Table 62. AMAME bits
Bit RW RST Name Description
4RW0 AMAME
Automode AM enable
0: switching frequency determined by PWMS settings
1: switching frequency determined by AMAM settings
Table 63. AMAM bits
AMAM[2:0] 48 kHz/96 kHz input, fs 44.1 / 88.2 kHz input, fs
000 0.535 MHz - 0.720 MHz 0.535 MHz - 0.670 MHz
001 0.721 MHz - 0.900 MHz 0.671 MHz - 0.800 MHz
010 0.901 MHz - 1.100 MHz 0.801 MHz - 1.000 MHz
011 1.101 MHz - 1.300 MHz 1.001 MHz - 1.180 MHz
100 1.301 MHz - 1.480 MHz 1.181 MHz - 1.340 MHz
101 1.481 MHz - 1.600 MHz 1.341 MHz - 1.500 MHz
110 1.601 MHz - 1.700 MHz 1.501 MHz - 1.700 MHz
D7 D6 D5 D4 D3 D2 D1 D0
XO2 XO1 XO0 PEQ4 PEQ3 PEQ2 PEQ1 PEQ0
10100000
Table 64. XO bits
XO[2:0]
Bass management
crossover frequency
000 70 Hz
001 80 Hz
010 90 Hz
011 100 Hz
100 110 Hz
101 120 Hz
110 140 Hz
111 160 Hz