Datasheet
TSC2101
SLAS392D− JUNE 2003 − REVISED MAY 2005
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68
REGISTER 21H: Audio Control 6
BIT NAME
RESET
VALUE
READ/
WRITE
FUNCTION
D15 SPL2LSK 0 R/W Routing Selected for SPK1 Goes to OUT8P−OUT8N (Loudspeaker) Also.
0 => None of the routing selected for SPK1 goes to OUT8P−OUT8N.
1 => Routing selected for SPK1 using D14−D9 of control register 20H/page 2 goes to
OUT8P−OUT8N.
Note: This programming is valid only if SPK1/OUT32N and SPK2 are powered down.
D14 AST2LSK 0 R/W Analog Sidetone Routing to OUT8P−OUT8N (Loudspeaker)
0 => No routing from analog sidetone to OUT8P−OUT8N
1 => Analog sidetone routed to OUT8P−OUT8N
D13 BUZ2LSK 0 R/W Buzzer PGA Routing to OUT8P−OUT8N (Loudspeaker)
0 => No routing from buzzer PGA to OUT8P−OUT8N
1 => Buzzer PGA routed to OUT8P−OUT8N
D12 KCL2LSK 0 R/W Keyclick Routing to OUT8P−OUT8N (Loudspeaker)
0 => No routing from keyclick to OUT8P−OUT8N
1 => Keyclick routed to OUT8P−OUT8N
D11 CPI2LSK 0 R/W Cell−phone Input Routing to OUT8P−OUT8N (Loudspeaker)
0 => No routing from cell-phone input to OUT8P−OUT8N
1 => Cell−phone input routed to OUT8P−OUT8N
D10 MIC2CPO 0 R/W MICSEL (Programmed Using Control Register 04H/Page 2) Routed to Cell-phone Output.
0 => No routing from MICSEL to CP_OUT.
1 => MICSEL routed to CP_OUT.
D9 SPL2CPO 0 R/W Routing Selected for SPK1 (Other Than Cell−phone Input) Goes to Cell-phone Output Also.
0 => None of the routing selected for SPK1 goes to cell-phone output.
1 => Routing selected for SPK1 using D14−D10 of control register 20H/page 2 goes to
CP_OUT.
Note: This programming is valid even if SPK1/OUT32N and SPK2 are powered down.
D8 SPR2CPO 0 R/W Routing Selected for SPK2 Goes to Cell−phone Output Also (Valid for Only Single-ended).
0 => None of the routing selected for SPK2 goes to cell-phone output.
1 => Routing selected for SPK2 using D8−D3 of control register 20H/page2 goes to CP_OUT.
Note: 1. This programming is valid even if SPK2 is power-down.
2. This programming is not valid when routing selected for SPK1 is routed to loudspeaker
D7 MUTLSPK 1 R/W Mute Control for OUT8P−OUT8N Loudspeaker
0 => OUT8P−OUT8N is not muted.
1 => OUT8P−OUT8N is muted.
D6 MUTSPK2 1 R/W Mute Control for Cell−phone Output
0 => CPOUT is not muted.
1 => CPOUT is muted.
D5 LDSCPTC 1 R/W Loudspeaker Short−circuit Protection Control
0 => Enable short−circuit protection for loudspeaker
1 => Disable short−circuit protection for loudspeaker
D4 VGNDSCPTC 0 R/W VGND Short−circuit Protection Control
0 => Enable short−circuit protection for VGND driver
1 => Disable short−circuit protection for VGND driver
D3 CAPINTF 0 R/W Cap/Cap−less Interface Select for Headset.
0 => Select cap−less interface.
1 => Select cap interface.
D2−D0 0’s R Reserved (Write only 000)