MT9126AS Zarlink Semiconductor, MT9126AS Datasheet - Page 12

• Manufacturer Part Number: MT9126AS
• Description: Description = Quad Adpcm (G.726) Transcoder ;; Package Type = Pdip ;; No. Of Pins = 28
• Manufacturer: Zarlink Semiconductor

MT9126
8-100
X = undetermined logic level output; don’t care input
Outputs high impedance outside of channel boundaries
Two frame delay from data input to data output
Note: D &C channels not supported in this mode.
(32/24 kb/s)
bit 4 = x at 24 kbit/s
MCLK (C4i)
F0i
C2o
EN1 (output)
F0od/ENB2
PCMi/o1
PCMi/o2
ADPCMi/o
ADPCMi/o
(16 kb/s)
outputs = High impedance
inputs = don’t care
SSS 12 11 10 9 8 7 6 5 4 3 2 1 0
Figure 8 - ST-BUS 16-bit Linear PCM Relative Timing
B1
12
1234 1234 1234 1234
B
1
SSS 12 11 10 9 8 7 6 5 4 3 2 1 0
B1
SEL = 0
12 12 12
B
2
B
3
B2
B2
B
4
12
B
1
SEL = 1
B3
12 12 12
B
2
B
3
B4
B
4
SSS 12 11 10 9 8 7 6 5 4 3 2 1 0
SEL operated for
16kb/s only
B3
SSS 12 11 10 9 8 7 6 5 4 3 2 1 0
B4
Data Sheet