Microcontrollers - MCUs
EFM8BB31F16I-D-QFP32R
MCU 8-bit 8051 CISC 16KB Flash 3.3V 32-Pin QFP T/R Automotive AEC-Q100
Silicon LabsProduct Technical Specifications
EU RoHS
Compliant
ECCN (US)
3A991.a.2
Part Status
NRND
HTS
8542.31.00.15
Automotive
Yes
PPAP
No
Family Name
EFM8
Instruction Set Architecture
CISC
Device Core
8051
Core Architecture
8051
Maximum CPU Frequency (MHz)
50
Maximum Clock Rate (MHz)
50
Data Bus Width (bit)
8
Program Memory Type
Flash
Program Memory Size
16KB
RAM Size
2.25KB
Programmability
Yes
Interface Type
I2C/SMBus/SPI/UART
Number of I/Os
28
No. of Timers
6
PWM
1
Number of ADCs
1
ADC Channels
20
ADC Resolution (bit)
12
Number of DACs
4
DAC Resolution (bit)
12/12/12/12
USART
0
UART
2
USB
0
SPI
1
I2C
2
I2S
0
CAN
0
Ethernet
0
Watchdog
1
Analog Comparators
2
Parallel Master Port
No
Real Time Clock
No
Minimum Operating Supply Voltage (V)
2.2
Typical Operating Supply Voltage (V)
3.3
Maximum Operating Supply Voltage (V)
3.6
Minimum Operating Temperature (°C)
-40
Maximum Operating Temperature (°C)
125
Packaging
Tape and Reel
Mounting
Surface Mount
Package Height
1
Package Width
7
Package Length
7
PCB changed
32
Standard Package Name
QFP
Supplier Package
QFP
Pin Count
32

