AK4650 Datasheet, PDF (73/86 Pages) Asahi Kasei Microsystems – 16Bit ΔΣ CODEC with MIC/HP/SPK-AMP & TSC

[AK4650]
■ Line In Volume (10H)
LNMT: Line Input Mute Control (Table 29)
0: Mute OFF
1: Mute ON (default)
GL4-0: Lch Line Input Volume Control (Table 29)
Default: “08H” (0dB)
GR4-0: Rch Line Input Volume Control (Table 29)
Default: “08H” (0dB)
■ PCM Volume (18H)
SMUTE: Soft Mute Control (Figure 21)
0: Normal Operation (default)
1: DAC outputs soft-muted
Soft mute operation is independent of digital attenuator and is performed in the digital domain.
ATTL/R6-0: Digital ATT Control (Table 25)
Default: “00H”(0dB)
■ Record Select Control Register (1AH)
AUXAD: AUXIN to ADC enable
0: OFF (default)
1: ON
MICAD: IPGA to ADC enable
0: OFF
1: ON (default)
■ General Purpose (20H)
LOOP: Internal Digital Loopback
0: OFF (default)
1: ON
When LOOP bit is “1”, VRA bit should be “0”.
MSEL: Internal/External MIC Select (Table 9 at MDIF bit = “0”)
0: Internal MIC (default)
1: External MIC
MDIF: Differential MIC Input Select (Table 9)
0: Single-ended Input (default)
1: Differential Input
MS0502-E-01
- 73 -
2007/04