AK2303LV Datasheet, PDF (10/41 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for PBX Analog Line Card

ASAHI KASEI
[AK2303LV]
Position of the Ch0,Ch1 PCM data in the DX/DR data flow
B1 and B2 channel of the PCM data channel are assigned to Analog Ch0 and Ch1 as is defined by SEL2B
register. Time-slot on PCM High-way (Time-slot#0~31(MAX)) can be also assigned for B1 and B2 channel data
set as is defined by TS[4:0] register.
Channel selection
CH0,1selection(Address:100
SEL2B
CH0
0
B1
Bit:6)
CH1
B2
1
B2
B1
Remarks
Default
on Reset
Analog Interface
Channe0
Channel 1
PCM Interface
B1 B2
SEL2B
Time slot Assignment
B1, B2 Time-slot selection (Address:101 Bit:4~0)
TS[4:0] Time slot
B1
B2
00000
0
The first half of 8bit The latter half of
in Time-slot#0
8bit in Time-slot#0
00001 to
11110
XX
The first half of 8bit The latter half of
in Time-slot#XX 8bit in Time-slot#XX
11111
31
The first half of 8bit The latter half of
in Time-slot#31 8bit in Time-slot#31
FS
Time slot#
ex)
Default
TS#0
B1
B2
ex)
TS[4:0]=2 setting
TS#1
DR/X
DR/X
TS#2
TS#3
B1 B2
Remarks
Default
On Reset
TS#31(max)
B1
2303-E-00
10
2001/09