embedded processors controllers

EFM8BB10F2A

Full part number: EFM8BB10F2A-A-QFN20

Every spec below is cited to the manufacturer datasheet. Compare the closest alternatives, then ask the assistant what it means for your design.

00 — Overview

What the EFM8BB10F2A does

The EFM8BB10Fxx family comprises 8-bit microcontrollers within the Busy Bee line, spanning G, I, and A temperature grades across QFN20, QSOP24, and SOIC16 packages. These devices operate on a single 2.2 to 3.6 V supply, feature a 25 MHz maximum clock speed, and include 8 KB of flash memory. The architecture supports up to 18 I/O pins, a 12-bit ADC, and four 16-bit timers. Engineers typically deploy these chips in motor control, medical equipment, consumer electronics, lighting systems, and sensor controller applications where space is constrained.

Next step
Start building with EFM8BB10F2A → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.
01 — Key specifications

Datasheet parameters

Datasheet parameters for EFM8BB10F2A
ParameterMinTypMaxConditionsSource
quiescent current 550 µA 700 µA FSYSCLK = 1.53 MHz2; idle; Digital Core Supply Current (G-grade devices, -40 °C to +85 °C) SiliconLabs datasheet, p. 16 — Table 4.2. Power Consumption
supply voltage range 2.2 V 3.6 V Recommended Operating Conditions SiliconLabs datasheet, p. 15 — Table 4.1. Recommended Operating Conditions
input offset voltage -10 mV 0 V 10 mV TA = 25 °C; 4.1.11 Comparators SiliconLabs datasheet, p. 25 — 4.1.11 Comparators
cmrr 70 dB common; 4.1.11 Comparators SiliconLabs datasheet, p. 25 — 4.1.11 Comparators
operating temperature -40 °C 85 °C G-grade devices; Recommended Operating Conditions SiliconLabs datasheet, p. 15 — Table 4.1. Recommended Operating Conditions
clock frequency 0 Hz 25 MHz Recommended Operating Conditions SiliconLabs datasheet, p. 15 — Table 4.1. Recommended Operating Conditions
cpu speed 25 MHz SiliconLabs datasheet, p. 15 — Table 4.1. Recommended Operating Conditions
program memory size 1.95 KB flash SiliconLabs datasheet, p. 4 — 2. Ordering Information
ram size 256 B ram SiliconLabs datasheet, p. 4 — 2. Ordering Information
io count 16 SiliconLabs datasheet, p. 3 — Table 2.1. Product Selection Guide
adc resolution 12 bit SiliconLabs datasheet, p. 21 — Table 4.7. ADC
core size 8 bit SiliconLabs datasheet, p. 1
program erase cycles 20 kcycle 100 kcycle endurance(write/erase cycles); Flash Memory SiliconLabs datasheet, p. 19 — Table 4.4. Flash Memory
output voltage low 250 mV 330 mV IOL = 10 mA-10 °C ≤ TA≤ 60 °CVDD = 3.0 VGuaranteed by characterization; (high drive); Port I/O SiliconLabs datasheet, p. 26 — Table 4.12. Port I/O
02 — Alternatives

Closest matches to EFM8BB10F2A

MSP430FR2310 11.1× lower quiescent current, 7.8× higher ram size, 2.0× higher core size
EFM8BB21F16A-C-QFN20 9.0× higher ram size, 8.0× higher program memory size, 3.1× higher quiescent current
EFM8BB21F16G 9.0× higher ram size, 8.0× higher program memory size, 3.1× higher quiescent current
EFM8BB2F16G 9.0× higher ram size, 8.2× higher program memory size, 3.0× higher quiescent current
MSP430F155 8.2× higher program memory size, 3.1× lower cpu speed, 2.0× higher core size
MSP430F155IPM 8.2× higher program memory size, 3.1× lower cpu speed, 2.0× higher core size
MSP430G2153 6.2× lower clock frequency, 2.0× lower quiescent current, 2.0× higher core size
ATmega48PA 2.0× higher program memory size, 2.0× higher ram size, 1.6× higher clock frequency
03 — FAQ

Frequently asked questions

What is the ADC resolution of the EFM8BB10F2A-A-QFN20?

The ADC resolution is 12 bit.

What is the recommended clock frequency for the EFM8BB10F2A-A-QFN20?

The recommended clock frequency is 25 MHz under Recommended Operating Conditions.

What is the CMRR for the EFM8BB10F2A-QFN20 under common conditions 4.1.11 Comparators?

The CMRR is 70 dB.

What is the core size of the EFM8BB10F2A-A-QFN20?

The core size is 8 bit.

What is the maximum CPU speed of the EFM8BB10F2A-A-QFN20?

The maximum CPU speed is 25 MHz.

What is the input offset voltage at TA = 25 °C according to section 4.1.11 Comparators?

The input offset voltage is 0 V.

What is the I/O count for the EFM8BB10F2A-A-QFN20?

The I/O count is 16.

What is the operating temperature for G-grade devices under Recommended Operating Conditions?

The operating temperature is 85 °C.

What is the output voltage low (VOL) for Port I/O with high drive when IOL = 10 mA, TA is between -10 °C and 60 °C, and VDD = 3.0 V?

The output voltage low is 250 mV.

What is the endurance for write/erase cycles of the Flash Memory?

The program erase cycles endurance for the Flash Memory is 100 kcycle.

What is the program memory size for the EFM8BB10F2A-A-QFN20?

The program memory size is 1.95 KB in flash.

What is the quiescent current for the EFM8BB10F2A-QFN20 when FSYSCLK = 1.53 MHz2, in idle mode, and for G-grade devices operating between -40 °C and +85 °C?

The quiescent current is 550 µA.

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