Yamaha TF5 Service Manual page 95

CS4385A-DQZR (YF811A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 DSDA2 I
2 DSDB1 I Direct Stream Digital Input - Input for Direct
Stream Digital serial audio data.
3 DSDA1 I
4 VD I Digital Power - Positive power supply for the
digital section.
5 GND I Ground
6 MCLK I Master Clock - Clock source for the delta-
sigma modulator and digital filters.
7 LRCK I Left Right Clock - Determines which channel,
Left or Right, is currently active on the serial
audio data line.
8 SDIN1 I Serial Audio Data Input - Input for two's
complement serial audio data.
9 SCLK I Serial Clock - Serial clock for the serial audio
interface.
10 M4(TST) I Mode Selection (Test)
11 SDIN2 I Serial Audio Data Input - Input for two's
complement serial audio data.
12 M3(TST) I Mode Selection (Test)
13 SDIN3 I Serial Audio Data Input - Input for two's
complement serial audio data.
14 SDIN4 I Serial Audio Data Input - Input for two's
complement serial audio data.
15 M2 I Mode Selection (Serial Control Port Clock -
(SCL/CCLK) Serial clock for the serial control port)
16 M1 I/O Mode Selection (Serial Control Data)
(SDA/CDIN) Mode Selection (Address Bit 0 (I²C) / Chip
17 M0 I Select (SPI) - AD0 is a chip address pin in
(AD0/CS) I²C Mode)
18 VLC I Control Port Power - Determines the required
signal level for the control port.
19 RST I Reset - The device enters a low power mode
and all internal registers are reset to their
default settings when low.
20 FILT+ O Positive Voltage Reference - Positive
reference voltage for the internal sampling
circuits.
PIN
FUNCTION
NO.
NAME I/O
21 VQ O Quiescent Voltage - Filter connection for
internal quiescent voltage.
22 MUTEC234 O Mute Control
23 AOUTB4- O
24 AOUTB4+ O
25 AOUTA4+ O
26 AOUTA4- O
Differential Analog Output.
27 AOUTB3- O
28 AOUTB3+ O
29 AOUTA3+ O
30 AOUTA3- O
31 GND I Ground
32 VA I Analog Power - Positive power supply for the
analog section.
33 AOUTB2- O
34 AOUTB2+ O
35 AOUTA2+ O
36 AOUTA2- O
Differential Analog Output.
37 AOUTB1- O
38 AOUTB1+ O
39 AOUTA1+ O
40 AOUTA1- O
41 MUTEC1 O Mute Control
42 DSD_ I DSD Serial Clock - Serial clock for the Direct
SCLK Stream Digital audio interface.
43 VLS I Serial Audio Interface Power - Determines
the required signal level for the serial audio
interface.
44 DSDB4 I
45 DSDA4 I
Direct Stream Digital Input - Input for Direct
46 DSDB3 I
Stream Digital serial audio data.
47 DSDA3 I
48 DSDB2 I
TF5/TF3/TF1
DA1 (DACOM): IC004
DA2: IC002
FUNCTION
95