D2-45057_14 Datasheet, PDF (16/31 Pages) Intersil Corporation – Intelligent Digital Amplifier PWM Controller and Audio Processor

SCLK (5)
SDIN (6)
LRCK (7)
MCLK (8)
SPDIFRX (17)
SPDIFTX (18)
nRESET (1)
nRSTOUT (68)
TEST (19)
IRQA (20)
IRQB (21)
SDA (3)
SCL (4)
TEMPREF/SCK (13)
TEMP1/MOSI (16)
VOL1/MISO (15)
VOL0/nSS (65)
PSSYNC/CFG1 (25)
nERROR/CFG0 (24)
PROTECT0 (26)
PROTECT1 (27)
PROTECT2 (28)
SERIAL AUDIO
INTERFACE PORT
(I²S DATA TYPE
RECEIVER)
S/PDIF
DIGITAL AUDIO
RECEIVER,
TRANSMITTER
CONTROL,
INITIALIZATION
2-WIRE
(I²C-COMPATIBLE)
INPUT SELECTION
SAMPLE RATE
CONVERTERS
MIXERS
TONE CONTROLS
5-BAND EQS
SPEAKER EQS
COMPRESSOR/LIMITERS
ROUTERS
ENHANCEMENT
AUDIO PROCESSING ALGORITHMS
(PART-NUMBER DEPENDENT)
D2AUDIO SOUNDSUITE™
SRS WOW/HD^®
HIGH/LOW-PASS CROSS-
OVERS
3-BAND EQS
VOLUME CONTROLS
SPI INTERFACE,
SYSTEM I/O
CONFIGURATION,
SYSTEM I/O
FIRMWARE
(ROM)
24-BIT FIXED-POINT DIGITAL SIGNAL
PROCESSOR
WITH 56-BIT MAC
(SIGNAL PROCESSING AND
CONFIGURATION BLOCKS DEFINED BY
DEVICE
ROM FIRMWARE)
LOUDNESS
COMPRESSOR/LIMITERS
CHANNEL ATTENUATORS
PROTECTION
INPUTS
TIMERS,
I/O
PLL
POWER SUPPLY
2
2
2
2
D2-45057, D2-45157
DAE-4P™
OUTPUT STAGE A
5 CHANNEL PULSE WIDTH
MODULATOR ENGINE
LINEAR INTERPOLATOR
PWM CORRECTION
NOISE SHAPER
QUANTIZER
PWM OUTPUT DRIVE
OUTPUT STAGE B
OUTPUT STAGE C
OUTPUT STAGE D
AMPLIFIER CONFIGURATION & CONTROL
LINE PWM OUTPUTS
HSBSA (50)
HVDDA (53)
OUTA (51)
HGNDA (52)
nERROR0 (29)
HSBSB (49)
HVDDB (46)
OUTB (48)
HGNDB (47)
nERROR1 (30)
HSBSC (37)
HVDDC (40)
OUTC (38)
HGNDC (39)
nERROR2 (31)
HSBSD (36)
HVDDD (33)
OUTD (35)
HGNDD (34)
nERROR3 (32)
LINEL (56)
LINER (55)
SUBOUT (41)
FIGURE 12. D2-45057, D2-45157 FUNCTIONAL BLOCK DIAGRAM