ak4145 AKM Semiconductor, Inc., ak4145 Datasheet - Page 21

• Manufacturer Part Number: ak4145
• Description: Digital Stereo Btsc Encoder
• Manufacturer: AKM Semiconductor, Inc.

■
Control 1
Control 2
Rev. 0.3
RSTN: Internal timing reset control
SMUTE: Soft Mute Control
DIF2-0: Audio data interface formats
VCLK: Sync Source Control
STR: BTSC Stereo/MONO Output Control
DEM: De-emphasis Response
FS1-0: Sampling speed control
VOLC: Lch/Rch Volume Common Control Enable
Register Definitions
Addr
Addr
00H
01H
0: Reset. Initialize the device except register settings.
1: Normal Operation
0: Disable.
1: Enable (default).
Default: “011”, I
0: Composite video (default).
1: 27MHz clock
0: MONO
1: BTSC Stereo Composite (default)
0: Disable (default)
1: Enable
00: 32kHz
01: 44.1kHz
10: 48kHz (default)
11: Reserved
0: Independent Control. L7-0 and R7-0 bits control Lch and Rch independently.
1: Common Control (default). L7-0 bits control both Lch and Rch. R7-0 bits are ignored.
Register Name
Register Name
Default
Default
R/W
R/W
Control 1
Control 2
2
S
VCLK
VOLC
R/W
R/W
D7
D7
(Table
0
1
5)
DIF2
R/W
R/W
D6
D6
0
0
0
- 21 -
DIF1
R/W
R/W
FS1
D5
D5
1
1
DIF0
R/W
R/W
FS0
D4
D4
1
0
R/W
R/W
D3
D3
0
0
0
0
DEM
R/W
R/W
D2
D2
0
0
0
SMUTE
R/W
R/W
D1
D1
1
0
0
RSTN
[AK4145]
R/W
R/W
STR
D0
D0
2007/11
0
1