STM32G071C8
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 STM32G071C8 does
The STM32G071x8/xB is a 32-bit Arm Cortex-M0+ microcontroller spanning variants with up to 128 KB Flash and 36 KB RAM. It operates across 1.7 V to 3.6 V with a clock frequency up to 64 MHz. Key parameters include 36 KB of SRAM, 14 timers including two 128 MHz units, and a 12-bit ADC with 0.4 µs conversion time. The device supports multiple communication interfaces like four USARTs, two I2C buses, and USB Type-C Power Delivery. It features low-power modes such as Sleep, Stop, and Standby, along with a 7-channel DMA controller and two 12-bit DACs. These microcontrollers are typically used in applications requiring efficient processing, flexible analog control, and robust power management within commercial, industrial, and automotive environments.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| quiescent current | — | 110 nA | 180 nA | idd(lsi); LSI oscillator characteristics $ ^{(1)} $ | ST datasheet, p. 73 — Table 42. LSI oscillator characteristics |
| input offset voltage | — | 5 mV | 10 mV | vsc; COMP characteristics $ ^{(1)} $ | ST datasheet, p. 96 — Table 62. COMP characteristics |
| operating temperature | -40 °C | — | 85 °C | Suffix 6(4); ta; General operating conditions | ST datasheet, p. 55 — Table 21. General operating conditions |
| clock frequency | 140 kHz | — | 16 MHz | Range 2; fadc; 5.3.17 Analog-to-digital converter characteristics | ST datasheet, p. 85 — 5.3.17 Analog-to-digital converter characteristics |
| propagation delay | — | 30 ns | 50 ns | High-speed mode; td; COMP characteristics $ ^{(1)} $ | ST datasheet, p. 97 — Table 62. COMP characteristics (continued) |
| psrr | — | -80 dB | -28 dB | Normal mode DAC output buffer ONCL ≤ 50 pF, RL = 5 kΩ, DC; psrr; DAC characteristics $ ^{(1)} $ | ST datasheet, p. 91 — Table 59. DAC characteristics |
| cpu speed | — | 64 MHz | — | ST datasheet, p. 11 | |
| program memory size | — | 64 KB | — | ST datasheet, p. 12 — Table 2. STM32G071x8/xB family device features and peripheral counts | |
| ram size | — | 36 KB | — | ST datasheet, p. 1 | |
| io count | — | 60 | — | ST datasheet, p. 1 | |
| adc resolution | — | 12 bit | — | ST datasheet, p. 1 | |
| core size | — | 32 bit | — | ST datasheet, p. 11 | |
| rise time | — | — | 30 ns | C = 50 pF, 2.7 V ≤ VDDIO1≤ 3.6 V | ST datasheet, p. 82 — Table 53. I/O AC characteristics (continued) |
| fall time | — | — | 5 ns | C = 50 pF, 1.6 V ≤ VDDIO1≤ 3.6 V; fm | ST datasheet, p. 82 — Table 53. I/O AC characteristics (continued) |
| data retention | 30 year | — | — | 1 kcycle(2)at TA = 85 °C; tret | ST datasheet, p. 75 — Table 45. Flash memory endurance and data retention |
| program erase cycles | 10 kcycle | — | — | TA = -40 to +105 °C | ST datasheet, p. 75 — Table 45. Flash memory endurance and data retention |
| sample rate | — | — | 2.5 MHz | 12 bits; fs; 5.3.17 Analog-to-digital converter characteristics | ST datasheet, p. 85 — 5.3.17 Analog-to-digital converter characteristics |
| settling time | — | 1.7 µs | 3 µs | ±0.5 LSB; tsettling; DAC characteristics $ ^{(1)} $ | ST datasheet, p. 91 — Table 59. DAC characteristics |
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Frequently asked questions
What is the ADC resolution of the STM32G071C8?
The ADC resolution is 12 bit.
What is the clock frequency for the ADC in Range 2?
The clock frequency is 16 MHz.
What is the core size of the STM32G071C8?
The core size is 32 bit.
What is the maximum CPU speed of the STM32G071C8?
The maximum CPU speed is 64 MHz.
What is the data retention time for the STM32G071C8?
The data retention is 30 year at 1 kcycle(2)at TA = 85 °C; tret.
What is the fall time when C = 50 pF and 1.6 V ≤ VDDIO1≤ 3.6 V; fm?
The fall time is 5 ns.
What is the input offset voltage for the STM32G071C8 under vsc COMP characteristics conditions?
The input offset voltage is 5 mV.
What is the total number of I/O ports available on the STM32G071C8?
The STM32G071C8 has 60 I/O ports.
What is the maximum operating temperature for the STM32G071C8 with suffix 6(4) under general operating conditions?
The maximum operating temperature is 85 °C.
What is the program erase cycle endurance for the STM32G071C8 at TA = -40 to +105 °C?
The program erase cycle endurance is 10 kcycle at TA = -40 to +105 °C.
What is the program memory size of the STM32G071C8?
The program memory size is 64 KB.
What is the propagation delay (td) for the COMP characteristics in High-speed mode?
The propagation delay is 30 ns in High-speed mode.