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.
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.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| 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 |
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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.