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PAU1800 is a family of patented GreenRadioTM monolithic Bluetooth audio System-on-Chips (SoCs) mainly for wireless
! A z0 j) O6 I7 F' ?' ~2 ?audio/voice applications. It comprises 2 CPU and 2 DSP processors, a Bluetooth 5.2 EDR/LE dual mode radio, a stereo' `) f; c5 W6 Y
audio codec, a battery charger, memory, and host interface peripherals. PAU1800 series features low power digital active. s& @! ^) q8 f3 j. P
noise cancellation (ANC) technology integrated in the SoC.
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) T+ ?9 g _) M' j8 h0 aFull compliance with Bluetooth v5.2 EDR/BLE dual
2 U5 o/ h2 A" A" M9 v1 Kmode specification( q: @' }* O, v b) N4 ~3 x, w: T
 Embedded 32-bit CPU as System Processor (SP)
$ R" z" g- D8 a) M5 D/ P Embedded RISC-V CPU with floating point and
2 d( t. ~+ e6 q. {' LDSP/SIMD extension as Application Processor (AP)1 t9 ?% F* K7 C7 U" c* T+ R
 Two 24-bit Audio DSP coprocessors9 t- Z. C4 H3 E' a. K& \
 Internal System in Package (SiP) flash memory+ E5 Z4 y% D0 l2 u' o6 f2 l
 Stereo audio DAC/ADC and headphone drivers8 i, p3 X; U) a4 [1 d2 Y
 Up to 3 microphone inputs (2 analog and 1 digital! _& @& A! P& R5 k: b+ M6 |
MEMS)
1 a; g5 D1 l V Embedded Bluetooth SBC/A2DP and wideband9 x% @( P# Z3 m# H$ e- `
speech mSBC codec
) f. U h0 ~6 } Support AAC/G.722 decoder
/ A+ e4 G. H! \7 Z8 J Multipoint support for two A2DP simultaneous
n8 o' X3 q2 Tconnections
( T _' ]3 G6 T6 `9 {) l Feedforward/Hybrid Active Noise Cancellation/ ~: }9 V, ^, Y$ e' K7 c, T
 Serial Interfaces: UART, I2C and SPI- b- ^2 z" M: n1 n6 O4 E7 h+ g
 Digital Audio interfaces: PCM/I2S8 b; W7 E+ V: F+ V
 No external load capacitors are required for typical
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 Integrated configurable switch-mode regulators and
) R' [+ w4 @. K; \5 U0 c9 wlinear regulators
+ ], g* ?: c" W A, \" {9 L* { Integrated Lithium-ion battery charger and battery
( [5 V" n) {/ R! @voltage monitor4 ]! {8 e' v. }* y& ]
 Hardware PWM dimming LED drivers
% j( s3 K4 I: K( U; z. h+ b Support over the air (OTA) firmware code update. G) y, z* h, n* }( i2 _
 Support unique device/manufacturing ID for
' E: S1 w& _* |# a: D4 U% q- [customer’s code protection
) A& f9 G) O# y! q! E Ultra-low current for deep hibernation mode) ^# T5 }3 c; J
 2-way power-line charger box communication (CBC)" G, N4 M [, v1 | a# m
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