B300W35A102E1G ON Semiconductor, B300W35A102E1G Datasheet - Page 26

• Manufacturer Part Number: B300W35A102E1G
• Description: IC PROCESSOR AUDIO 24BIT WLCSP
• Manufacturer: ON Semiconductor
• Series: BelaSigna® 300r
• Type: Floating Pointr

Specifications of B300W35A102E1G

• Interface: I²C, PCM, SPI, UART
• Clock Rate: 40MHz
• On-chip Ram: 110kB
• Voltage - I/o: 1.0V, 2.0V
• Voltage - Core: 0.95V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 35-WLCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Non-volatile Memory: -

EEPROM
Optional
The application diagram of BelaSigna 300 (DFN Option) is shown in Figure 15.
AI2
AI3
AI4
10 nF
SPI_SERO
SPI_CS
SPI_CLK
SPI_SERI
2.2 kW
Preamplifiers Downsampling
AGND
Watchdog
Generator
Timer 1
Timer 2
UART
Timer
CRC
1 mF
SPI
A/D
A/D
A/D
A/D
Figure 15. BelaSigna 300 DFN Application Diagram
Program Memory
1.8 V
−
+
Data Memory
Boot ROM
GNDC
Configurable
Accelerator
Memory
HEAR
1 mF
Shared
24−bit
http://onsemi.com
CFX
DSP
Controller
Interrupt
26
GNDC
100 nF
Upsampling
BelaSigna 300
10 mF
Management
Management
IP Protection
Power−On Reset
Battery Monitor
Power
Clock
PCM/I
Interface
Shared
GPIO/
LSAD
I
AGND
RCVR_HP+
2
RCVR_HP−
C
2
1 mF
S
Output
Driver
(Service Request)
GPIO[1]**
PCM_FR**
PCM_CLK**
PCM_SERI**
PCM_SERO**
GPIO[0]**
(Wake−Up Signal)
SDA**
SCL**
EXT_CLK**
** Level Translation may be
required (1.8 V on BelaSigna 300)
Filtering Speaker
RCVR+
RCVR−
Filtering
Amp
or Bluetooth
MIC−INP
MIC−INM
PCM or I2S
GPIOs
I2C
Baseband
Receiver
Speaker