stlc2410 STMicroelectronics, stlc2410 Datasheet - Page 16

• Manufacturer Part Number: stlc2410
• Description: Bluetooth Baseband
• Manufacturer: STMicroelectronics

STLC2410B
The four signals of the PCM interface are:
– PCM_CLK : PCM clock
– PCM_SYNC : PCM 8kHz sync
– PCM_A : PCM data
– PCM_B : PCM data
Directions of PCM_A and PCM_B are software configurable.
Figure 5. PCM (A-law, µ-law) standard mode
Figure 6. Linear mode
Table 10. PCM interface timing.
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PCM Interface
PCM_SYNC
PCM_SYNC
F
PCM_CLK
PCM_CLK
Symbol
F
PCM_A
PCM_B
PCM_A
PCM_B
pcm_sync
pcm_clk
t
t
t
t
t
t
t
WCH
WSH
WCL
HCD
DCD
SSC
SDC
Frequency of PCM_CLK (master)
Frequency of PCM_SYNC
High period of PCM_CLK
Low period of PCM_CLK
High period of PCM_SYNC
Setup time, PCM_SYNC high to PCM_CLK low
Setup time, PCM_A/B input valid to PCM_CLK low
Hold time, PCM_CLK low to PCM_A/B input invalid
Delay time, PCM_CLK high to PCM_A/B output valid
0
0
1
1
2
2
3
3
B
B
4
4
Description
5
5
6
6
7
7
8
8
125µs
125µs
9
9
10
10
11
11
12
12
13
13
14
14
Min
200
200
200
100
100
100
-
15
15
2048
Typ
8
Max
150
D02TL558
D02TL559
Unit
kHz
kHz
B
B
ns
ns
ns
ns
ns
ns
ns