cs5364 Cirrus Logic, Inc., cs5364 Datasheet - Page 23

• Manufacturer Part Number: cs5364
• Description: 114 Db, 192 Khz, 4-channel A/d Converter
• Manufacturer: Cirrus Logic, Inc.

DS625F3
4.5.2 TDM Format
4.5.3 Configuring Serial Audio Interface Format
4.6
4.6.1 Sample Rate Ranges
4.6.2 Using M1 and M0 to Set Sampling Parameters
TDM OUT
SCLK
FS
Speed Modes
In TDM Mode, all four channels of audio data are serially clocked out during a single Frame Sync (FS) cy-
cle, as shown in
nel slot occupies 32 SCLK cycles, with the data left justified and with MSB first. TDM output data should be
latched on the rising edge of SCLK within time specified under
on page
TDM data. All SDOUT pins will remain active during TDM Mode. Refer to
mance in TDM Mode” on page 29
The serial audio interface format of the data is controlled by the configuration of the DIF1 and DIF0 pins in
Stand-Alone Mode or by the DIF[1] and DIF[0] bits in the Global Mode Control Register in Control Port
Mode, as shown in
CS5364 supports sampling rates from 2 kHz to 21 kHz, divided into three ranges: 2 kHz - 54 kHz, 54 kHz -
108 kHz, and 108 kHz - 216 kHz. These sampling speed modes are called Single-Speed Mode (SSM),
Double-Speed Mode (DSM), and Quad-Speed Mode (QSM), respectively.
The Master/Slave operation and the sample rate range are controlled through the settings of the M1 and
M0 pins in Stand-Alone Mode, or by the M[1] and M[0] bits in the Global Mode Control Register in Control
Port Mode, as shown in
MSB
LSB
M1
0
0
1
1
MSB
Data
16. The TDM data output port resides on the SDOUT1 pin. The TDM output pin is complimentary
Channel 1
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LSB
M0
0
1
0
1
LSB
Zeroes
Figure
DIF1
MSB
0
0
1
1
Table
Channel 2
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12. The rising edge of FS signifies the start of a new TDM frame cycle. Each chan-
Table
DIF0
2.
LSB
0
1
0
1
Quadruple-Speed Master Mode (QSM)
Double-Speed Master Mode (DSM)
Single-Speed Master Mode (SSM)
Auto-Detected Speed Slave Mode
MSB
3.
Table 2. DIF1 and DIF0 Pin Settings
Channel 3
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for critical system design information.
Table 3. M1 and M0 Settings
Figure 12. TDM Format
LSB
MSB
Mode
Channel 4
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LSB
Left-Justified
Reserved
Mode
TDM
I²S
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‘Serial Audio Interface - TDM Timing” section
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Section 4.11 “Optimizing Perfor-
Frequency Range
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108 kHz - 216 kHz
54 kHz - 108 kHz
2 kHz - 216 kHz
2 kHz - 54 kHz
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CS5364
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