ST7590
Every spec below is cited to the manufacturer datasheet. Pick your exact ordering code, compare the closest alternatives, then ask the assistant what it means for your design.
What the ST7590 family does
The GD32E103xx is a 32-bit microcontroller featuring an ARM Cortex-M4 core. This family spans multiple variants including the ST7590, available in LQFP100, LQFP64, LQFP48, and QFN36 packages. It operates with a voltage range of 2.0 to 3.6 V and supports up to 72 MHz clock speeds. The device integrates 512 KB of Flash memory and 64 KB of SRAM. Engineers typically use this MCU for embedded control applications requiring high performance and low power consumption. It includes peripherals such as ADC, DAC, DMA, multiple timers, I2C, SPI, USART, USBFS, CAN, and an external memory controller to handle complex system tasks efficiently.
ST7590 datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| quiescent current | — | 41.8 µA | 550 µA | VDD = VDDA = 3.3 V, LDO in run mode, IRC40K off, RTC off, All GPIOs analog mode; (deep-sleep mode); GD32E103xx Datasheet | GigaDevice datasheet, p. 48 — GD32E103xx Datasheet |
| supply voltage range | 1.71 V | 3.3 V | 3.6 V | —; vdd; DC operating conditions | GigaDevice datasheet, p. 43 — Table 4-2. DC operating conditions |
| operating temperature (abs max) | -40 °C | — | 85 °C | ta; Absolute maximum ratings $ ^{(1)(4)} $ | GigaDevice datasheet, p. 43 — Table 4-1. Absolute maximum ratings |
| clock frequency | 1 MHz | 8 MHz | 25 MHz | —; fpllin; PLL characteristics | GigaDevice datasheet, p. 57 — Table 4-20. PLL characteristics |
| power dissipation (abs max) | — | — | 813 mW | pd; Absolute maximum ratings $ ^{(1)(4)} $ | GigaDevice datasheet, p. 43 — Table 4-1. Absolute maximum ratings |
| input capacitance | — | 5 pF | — | —; cin; Low speed external user clock characteristics (LXTAL in bypass mode) | GigaDevice datasheet, p. 55 — Table 4-16. Low speed external user clock characteristics (LXTAL… |
| psrr | 55 dB | 80 dB | — | —; psrr; GD32E103xx Datasheet | GigaDevice datasheet, p. 63 — GD32E103xx Datasheet |
| cpu speed | — | 120 MHz | — | GigaDevice datasheet, p. 8 | |
| program memory size | — | 125 KB | — | GigaDevice datasheet, p. 8 | |
| ram size | — | 31.2 KB | — | GigaDevice datasheet, p. 8 | |
| io count | — | 80 | — | GigaDevice datasheet, p. 37 | |
| adc resolution | — | 12 bit | — | GigaDevice datasheet, p. 61 — Table 4-26. ADC characteristics | |
| core size | — | 32 bit | — | GigaDevice datasheet, p. 8 | |
| rise time | 4 ns | — | 20 ns | CL = 50 pF; tr; USBFS electrical characteristics $ ^{(1)} $ | GigaDevice datasheet, p. 66 — Table 4-39. USBFS electrical characteristics |
| fall time | 4 ns | — | 20 ns | CL = 50 pF; tf; USBFS electrical characteristics $ ^{(1)} $ | GigaDevice datasheet, p. 66 — Table 4-39. USBFS electrical characteristics |
| data retention | 10 year | — | — | 10k cycles at TA = 85 °C; tret; Flash memory characteristics | GigaDevice datasheet, p. 58 — Table 4-22. Flash memory characteristics |
| program erase cycles | 100 kcycle | — | — | TA = -40 °C ~ +85 °C; pecyc(endurance); Flash memory characteristics | GigaDevice datasheet, p. 58 — Table 4-22. Flash memory characteristics |
| output voltage high | 1.25 V | — | — | VDD = 1.8 V; voh; I/O port DC characteristics $ ^{(1)} $ (3) | GigaDevice datasheet, p. 59 — Table 4-24. I/O port DC characteristics (3) |
| output voltage low | — | — | 530 mV | VDD = 1.8 V; vol; I/O port DC characteristics $ ^{(1)} $ (3) | GigaDevice datasheet, p. 59 — Table 4-24. I/O port DC characteristics (3) |
| load capacitance | — | — | 50 pF | No pin/pad capacitance included; cload; GD32E103xx Datasheet | GigaDevice datasheet, p. 63 — GD32E103xx Datasheet |
| sample rate | 7 kHz | — | 3 MHz | 12-bit; fs; ADC characteristics | GigaDevice datasheet, p. 61 — Table 4-26. ADC characteristics |
| settling time | — | 300 ns | 1 µs | CLOAD≤ 50 pF, RLOAD≥ 5 kΩ; tsetting; GD32E103xx Datasheet | GigaDevice datasheet, p. 63 — GD32E103xx Datasheet |
ST7590 frequently asked questions
What is the ADC resolution of the ST7590?
The ADC resolution is 12 bit.
What is the clock frequency for the ST7590 under PLL characteristics conditions?
The clock frequency is 8 MHz.
What is the core size of the ST7590?
The core size is 32 bit.
What is the maximum CPU speed of the ST7590?
The maximum CPU speed is 120 MHz.
What is the data retention period for the ST7590 under the condition of 10k cycles at TA = 85 °C; tret; Flash memory characteristics?
The data retention is 10 year.
What is the fall time (tf) under the condition of CL = 50 pF?
The fall time is 20 ns.
What is the input capacitance (cin) for the Low speed external user clock characteristics (LXTAL in bypass mode)?
The input capacitance is 5 pF.
What is the I/O count for the ST7590?
The ST7590 has an I/O count of 80.
What is the specified load capacitance for the ST7590?
The load capacitance is 50 pF, with no pin/pad capacitance included, as specified in the GD32E103xx Datasheet.
What is the operating temperature (ta) under Absolute maximum ratings (1)(4) for the ST7590?
The operating temperature (ta) under Absolute maximum ratings (1)(4) is 85 °C.
What is the output voltage high (Voh) for the ST7590 when VDD = 1.8 V?
The output voltage high is 1.25 V.
What is the output voltage low (VOL) for the ST7590 when VDD = 1.8 V?
The output voltage low is 530 mV.