Yamaha CDX-E410 Service Manual page 13

No. Symbol
1 Reset (Input) - Powers down device and resets all intemal registers to their default settings.
RST
2 VL Logic Power (Input) - Positive power for the digital input/output.
3 SDATA Serial Audio Data (Input) - Input for two's complement serical audio data.
4 SCLK Serial Clock (input/output) - Serial clock for the serial audio interface.
5 LRCK Left Right Clock (Input/output) - Determines which channel, Left or Right, is currently active on the serial audio
data line.
6 MCLK Master Clock (Input) -Clock source for the delta-sigma moudukafor and digital filters.
11 FILT+ Positive Voltage Reference (Output) - Positive reference voltage for the intemal sampling circuits.
12 CMOUT Common Mode Voltage (Output) - Filter connection for internal quiescent voltage.
20 AMUTEC Mute Control (output) - The Mute Confrol pin goes high during power-up initialization, reset, muting, power-down
13 BMUTEC or if the master clock to left/right clock frequency ratio is incorrect.
14 AOUTB-
15 AOUTB+ Differential Analog Output (Outputs) - The full scale differential analog output level is specified in the Analog
18 AOUTA+ Characteristics specification table.
19 AOUTA
16 AGND Ground (Input)
17 VA Analog Power (Input) - Positive power for the analog section.
Control Port mode Definitions
No. Symbol
7 M3 Mode Selection (Input) -This pins should be tied to GND level during control port mode.
8 SCL/CCLK Serial Control Port Clock (input) - Serial clock for the serial control port.
9 SDA/CDIN Serial Control Data (input/output) - SDA is a data l/O line in l
port interface in SPI mode.
10 Address Bit 0 (I 2 C) / Control Port Chip Select (SPI) (Input/Output) - AD0 is a chip address pin in I
AD0/CS
the chip select signal for SPI format.
Stand-Alone Mode Definitions
No. Symbol
7 M3
8 M2
Mode Selection (Input) - Determines the operational mode of the device.
9 M1
10 M0
Function
Function
2 C mode.CDIN is the input data line for the control
2 C mode, CS is
Function
CDX-E410
13