sta2416 STMicroelectronics, sta2416 Datasheet - Page 32

• Manufacturer Part Number: sta2416
• Description: Bluetooth?? Baseband With Integrated Flash
• Manufacturer: STMicroelectronics

Interfaces
32/40
The four signals of the PCM interface are:
"
"
"
"
Directions of PCM_A and PCM_B are software configurable.
Three additional PCM_SYNC signals can be provided via the GPIOs. See
page 36
Figure 12. PCM (A-law, µ-law) standard mode
Figure 13. Linear mode
Table 13.
PCM_SYNC
PCM_CLK
PCM_SYNC
F
PCM_CLK
PCM_A
PCM_B
Symbol
F
PCM_A
PCM_B
pcm_sync
pcm_clk
t
t
t
t
t
t
t
WCH
WSH
WCL
HCD
DCD
SSC
SDC
PCM_CLK: PCM clock
PCM_SYNC: PCM 8 kHz sync
PCM_A: PCM data
PCM_B: PCM data.
for more details.
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
PCM interface timing
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
Chapter 9 on
Max
150
STA2416
D02TL559
D02TL558
Unit
kHz
kHz
ns
ns
ns
ns
ns
ns
B
B
ns