Denon HEOS AVR Service Manual page 36

PCM1690 (DIGITAL : IC451)
Pin Function
TERMINAL PULL- 5-V
I/O
DOWN TOLERANT
NAME PIN
RSV2 1 — — —
RSV1 2 — — —
RSV2 3 — — —
RSV1 4 — — —
RSV2 5 — — —
LRCK 6 I Yes No
BCK 7 I Yes No
DIN1 8 I No No
DIN2 9 I No No
DIN3 10 I No No
DIN4 11 I No No
VDD 12 — — —
DGND 13 — — —
SCKI 14 I No Yes
RST 15 I Yes Yes
ZERO1 16 O No No
ZERO2 17 O No No
AMUTEI 18 I No Yes
AMUTEO 19 O No Yes
MD/SDA/DEMP 20 I/O No Yes
MC/SCL/FMT 21 I No Yes
MS/ADR0/RSV 22 I Yes Yes
TEST/ADR1/RSV 23 I/O No Yes
MODE 24 I No No
VCC1 25 — — —
VCOM 26 — — —
AGND1 27 — — —
DESCRIPTION
Reserved, tied to analog ground
Reserved, left open
Reserved, tied to analog ground
Reserved, left open
Reserved, tied to analog ground
Audio data word clock input
Audio data bit clock input
Audio data input for DAC1 and DAC2
Audio data input for DAC3 and DAC4
Audio data input for DAC5 and DAC6
Audio data input for DAC7 and DAC8
Digital power supply, +3.3 V
Digital ground
System clock input
Reset and power-down control input with active low
Zero detect flag output 1
Zero detect flag output 2
Analog mute control input with active low
Analog mute status output(1) with active low
Input data for SPI, data for I2C(1), de-emphasis con-
trol for hardware control mode
Clock for SPI, clock for I2C, format select for hardware
control mode
Chip Select for SPI, address select 0 for I2C, reserve
(set low) for hardware control mode
Test (factory use, left open) for SPI, address select 1
for I2C, reserve (set low) for hardware control mode
Control port mode selection. Tied to VDD: SPI, left
open: H/W mode, tied to DGND: I2C
Analog power supply 1, +5 V
Voltage common decoupling
Analog ground 1
TERMINAL
PULL-
I/O
NAME PIN DOWN TOLERANT
RSV2 28 — —
VOUT8+ 29 O No
VOUT8- 30 O No
VOUT7+ 31 O No
VOUT7- 32 O No
VOUT6+ 33 O No
VOUT6- 34 O No
VOUT5+ 35 O No
VOUT5- 36 O No
VOUT4+ 37 O No
VOUT4- 38 O No
VOUT3+ 39 O No
VOUT3- 40 O No
VOUT2+ 41 O No
VOUT2- 42 O No
TERMINAL PULL-
I/O
NAME PIN DOWN TOLERANT
VOUT1+ 43 O No
VOUT1- 44 O No
RSV2 45 — —
AGND2 46 — —
VCC2 47 — —
RSV2 48 — —
(1) Open-drain configuration in out mode.
BLOCK DIAGRAM
DIN1
DIN2
DIN3
DIN4
BCK
LRCK
SCKI
TEST/ADR1/RSV
MS/ADR0/RSV
MC/SCL/FMT
MD/SDA/DEMP
MODE
ZERO1
ZERO2
AMUTEI
AMUTEO
RST
VCC1
AGND1
VCC2
Power Supply and
AGND2
VDD
DGND
VCOM
36
5-V
DESCRIPTION
— Reserved, tied to analog ground
No Positive analog output from DAC8
No Negative analog output from DAC8
No Positive analog output from DAC7
No Negative analog output from DAC7
No Positive analog output from DAC6
No Negative analog output from DAC6
No Positive analog output from DAC5
No Negative analog output from DAC5
No Positive analog output from DAC4
No Negative analog output from DAC4
No Positive analog output from DAC3
No Negative analog output from DAC3
No Positive analog output from DAC2
No Negative analog output from DAC2
5-V
DESCRIPTION
No Positive analog output from DAC1
No Negative analog output from DAC1
— Reserved, tied to analog ground
— Analog ground 2
— Analog power supply 2, +5 V
— Reserved, tied to analog ground
VOUT1+
DAC
VOUT1-
Audio Interface
VOUT2+
DAC
VOUT2-
VOUT3+
DAC
SCK Manager
VOUT3-
VOUT4+
DAC
Digital Filter VOUT4-
and
Control Interface Volume VOUT5+
2 DAC
(SPI/I C/HW)
VOUT5-
VOUT6+
DAC
VOUT6-
VOUT7+
DAC
VOUT7-
Common Voltage
VOUT8+
DAC
VOUT8-