B300W35A102E1G ON Semiconductor, B300W35A102E1G Datasheet - Page 12

• 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: -

Architecture Overview
Table 11. RECOMMENDATIONS FOR UNUSED PADS
The architecture of BelaSigna 300 is shown in Figure 2.
Analog
Inputs
4 or 5*
WLCSP Ball Index
5
D6
E5
D4
E3
D2
C1
E1
(Input Side)
PCM/I
Interface
CRC Generator
Shared
Preamplifier
Preamplifier
Watchdog
Timer 1
Timer 2
UART
Timer
GPIO
SPI
I
2
2
S
C
Figure 2. BelaSigna 300 Architecture: A Complete Audio Processing System
A/D
A/D
A/D
A/D
DFN Pin Index
Downsampling
Downsampling
30
29
27
26
25
24
23
SPI_CS
SPI_SERO
PCM_FR
PCM_SERI
PCM_SERO
PCM_CLK
Reserved
BelaSigna 300 Signal Name
Program Memory
Data Memory
Boot ROM
http://onsemi.com
(continued)
Configurable
24−bit DSP
Accelerator
Memory
Shared
12
HEAR
CFX
*: Depending on package option
Controller
Interrupt
Do not connect
Do not connect
Do not connect
Do not connect
Do not connect
Do not connect
Connect to GND
Recommended Connection when Not Used
Upsampling
BelaSigna 300
Battery
Monitor
Clock
Management
IP Protection
Power
Management
Power−On
Reset
(Output Side)
I
2
C Debug
PCM/I
Interface
Shared
Port
LSAD
2
Output
Output
Driver
Driver
S
3 or 4*
2 or 5*
4