sta339bw STMicroelectronics, sta339bw Datasheet - Page 33

• Manufacturer Part Number: sta339bw
• Description: 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

STA339BW
6.3
6.3.1
6.3.2
Configuration register C (addr 0x02)
FFX power output mode
Table 23.
The FFX power output mode selects how the FFX output timing is configured.
Different power devices use different output modes.
Table 24.
FFX compensating pulse size register
Table 25.
Table 26.
0
1
00
01
10
11
2
3
4
5
0000
0001
…
1111
Bit
Bit
OCRB
D7
1
CSZ[3:0]
OM[1,0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
FFX power output mode
Output modes
FFX compensating pulse size bits
Compensating pulse size
Reserved
D6
0
1
1
1
1
1
0
RST
RST
0 ns (0 tick) compensating pulse size
20 ns (1 tick) clock period compensating pulse size
…
300 ns (15 tick) clock period compensating pulse size
Drop compensation
Discrete output stage - tapered compensation
Full power mode
Variable drop compensation (CSZx bits)
OM0
OM1
CSZ0
CSZ1
CSZ2
CSZ3
CSZ3
D5
0
Doc ID 15251 Rev 4
Name
Name
CSZ2
D4
1
Compensating pulse size
Selects configuration of FFX output.
When OM[1,0] = 11, this register determines the
size of the FFX compensating pulse from 0 clock
ticks to 15 clock periods.
Output stage mode
CSZ1
D3
1
CSZ0
Description
Description
D2
1
Register description
OM1
D1
1
OM0
D0
1
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