CH32V203
Full part number: CH32V203C6T6
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 CH32V203 does
The CH32V203xx series are industrial-grade 32-bit RISC-V microcontrollers operating at up to 144 MHz. These devices integrate 224 KB of program memory, 64 KB of SRAM, dual 12-bit ADCs, two OPA comparators, and interfaces including CAN 2.0B, dual I2C, four USARTs, and dual USB ports. Available in LQFP, QFN, TSSOP, and QSOP packages, the family supports sleep, stop, and standby low-power modes. The parts are designed for general-purpose applications requiring high interrupt response speed and rich peripheral resources, spanning variants with different memory sizes and pin counts to suit various system complexities.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| supply voltage range | 2.4 V | 3.3 V | 3.6 V | vdda; OPA characteristics | WCH datasheet, p. 56 — Table 4-31 OPA characteristics |
| operating temperature | -40 °C | — | 85 °C | ta; General operating conditions | WCH datasheet, p. 39 — Table 4-2 General operating conditions |
| input capacitance | — | 5 pF | — | cin(lse); From external low-speed clock | WCH datasheet, p. 45 — Table 4-10 From external low-speed clock |
| cpu speed | — | 144 MHz | — | WCH datasheet, p. 7 — 2.1 Model Comparison | |
| program memory size | — | 32 KB | — | WCH datasheet, p. 7 — 2.1 Model Comparison | |
| ram size | — | 10 KB | — | WCH datasheet, p. 7 — 2.1 Model Comparison | |
| io count | — | 37 | — | WCH datasheet, p. 7 — 2.1 Model Comparison | |
| adc resolution | — | 12 bit | — | WCH datasheet, p. 1 | |
| core size | — | 32 bit | — | WCH datasheet, p. 1 | |
| rise time | — | — | 25 ns | CL = 50pF, VDD = 2.7-3.6V; (i/o) | WCH datasheet, p. 50 — Table 4-21 Input/output AC characteristics |
| data retention | 20 year | — | — | tret; Flash memory endurance and data retention | WCH datasheet, p. 49 — Table 4-18 Flash memory endurance and data retention |
| load capacitance | — | 20 pF | — | RS = 60Ω(1); c; High-speed external clock generated from a crystal/ceramic resonator | WCH datasheet, p. 46 — Table 4-11 High-speed external clock generated from a crystal/ceramic re… |
| sample rate | 50 kHz | — | 1 MHz | fs; ADC characteristics | WCH datasheet, p. 54 — Table 4-27 ADC characteristics |
Closest matches to CH32V203
Frequently asked questions
What is the ADC resolution of the CH32V203C6T6?
The ADC resolution is 12 bit.
What is the core size of the CH32V203C6T6?
The core size is 32 bit.
What is the maximum CPU speed of the CH32V203C6T6?
The maximum CPU speed is 144 MHz.
What is the data retention period for the CH32V203C6T6 under the condition of tret?
The data retention is 20 year.
What is the input capacitance (cin(lse)) from the external low-speed clock?
The input capacitance (cin(lse)) from the external low-speed clock is 5 pF.
How many I/O pins does the CH32V203C6T6 have?
The CH32V203C6T6 has 37 I/O pins.
What is the load capacitance for the High-speed external clock generated from a crystal/ceramic resonator when RS = 60Ω(1)?
The load capacitance is 20 pF.
What is the maximum operating temperature (ta) under general operating conditions?
The maximum operating temperature (ta) under general operating conditions is 85 °C.
What is the program memory size of the CH32V203C6T6?
The program memory size is 32 KB.
What is the RAM size of the CH32V203C6T6?
The RAM size is 10 KB.
What is the rise time for the CH32V203C6T6 I/O pins?
The rise time is 25 ns when CL = 50pF and VDD = 2.7-3.6V.
What is the sample rate of the CH32V203C6T6 under fs ADC characteristics?
The sample rate is 1 MHz.