AK2305 Datasheet, PDF (25/43 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for ISDN TERMINAL ADAPTER

ASAHI KASEI
[AK2305]
REGISTER
REGISTER MAP
Bit Bit Bit Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
11 10 9 8
7
6
5
4
3
2
1
0
A2 A1 A0 *
D7
D6
D5
D4
D3
D2
D1
D0
0 0 0*
-
VR0T2 VR0T1 VR0T0
-
VR0R2 VR0R1 VR0R0
0 0 1*
-
VR1T2 VR1T1 VR1T0
-
VR1R2 VR1R1 VR1R0
0 1 0*
-
S9
S8
S7
-
VRTN2 VRTN1 VRTN0
0 1 1*
-
S6
S5
S4
-
S3
S2
S1
1 0 0 * PCMIF1 PCMIF0 SEL2B 1stFS PDDT1 PDDT0 PDCH1 PDCH0
1 0 1*
-
-
-
ALAWN MTDX1 MTDX0 TMD1 TMD0
1 1 0 * GTA3 GTA2 GTA1
*) Dummy Bit
Note) All registers are available for write/read.
GTA0
GTP3
GTP2
GTP1
GTP0
INITIALIZATION OF REGISTERS
Only at POWER ON RESET, registers are initialized.
When POWER ON RESET is not used, all registers should be set through a serial interface.
C0029-E-02
25
1999/8