CS8406-CS データシートの表示（PDF） - Cirrus Logic
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CS8406-CS Datasheet PDF : 43 Pages
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11.PIN DESCRIPTION - HARDWARE MODE
COPY / C
1
TEST
2
EMPH
3
SFMT0
4
SFMT1
5
VD
6
TEST
7
TEST
8
RST
9
APMS
10
TCBLD
11
ILRCK
12
ISCLK
13
SDIN
14
CS8406
28
ORIG
27
HWCK1
26
TXP
25
TXN
24
H/S
23
VL
22
GND
21
OMCK
20
HWCK0
19
AUDIO
18
U
17
V
16
CEN
15
TCBL
VD
VL
GND
RST
H/S
TXN
TXP
OMCK
ISCLK
ILRCK
SDIN
SFMT0
SFMT1
34
6 Digital Power (Input) - Digital core power supply. Typically +3.3 V or +5.0 V.
23 Logic Power (Input) - Input/Output power supply. Typically +3.3 V or +5.0 V.
22 Ground (Input) - Ground for I/O and core logic.
9 Reset (Input) - When RST is low, the CS8406 enters a low power mode and all internal states are reset.
On initial power up, RST must be held low until the power supply is stable, and all input clocks are stable
in frequency and phase. This is particularly true in hardware mode with multiple CS8406 devices, where
synchronization between devices is important.
24 Hardware/Software Control Mode Select (Input) -Determines the method of controlling the operation
of the CS8406, and the method of accessing CS and U data. Hardware mode provides an alternate
mode of operation, and access to CS and U data is provided by dedicated pins. To select Hardware
mode, this pin should be permanently tied to VL.
25 Differential Line Drivers (Output) - These pins transmit biphase encoded data. The drivers are pulled
26 low while the CS8406 is in the reset state.
21 Master Clock (Input) - The frequency can be set through the HWCK[1:0] pins.
13 Serial Audio Bit Clock (Input/Output) - Serial bit clock for audio data on the SDIN pin.
12 Serial Audio Input Left/Right Clock (Input/Output) - Word rate clock for the audio data on the SDIN
pin.
14 Serial Audio Data Port (Input) - Audio data serial input pin.
4 Serial Audio Data Format Select (Input) - Selects the serial audio input port format. See Table 3 on
5 page 33.
DS580F1
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