Denon HEOS AVR - Page 36

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