芯片Raspberry Pi

RP2350

树莓派 RP2350 微控制器:双核 Cortex-M33 或 Hazard3 RISC-V 最高 150 MHz、520 kB SRAM、三个 PIO 块、HSTX 与安全套件;flash 与 ADC 通道数由变体决定。

RP2350 是树莓派第二代微控制器:软件可选的双核 Arm Cortex-M33 或 双核 Hazard3 RISC-V(最高 150 MHz)、520 kB 片上 SRAM、三个 PIO 块、HSTX 高速输出外设与安全架构(TrustZone、签名启动、TRNG;RISC-V 模式下部分安全特性与双精度浮点加速器不可用)。是否带片上 flash 取决于变体:RP2350A/B 无,RP2354A/B 内置 2 MB 叠封 flash。

从板卡开始:Raspberry Pi Pico 2;问答《Beetle RP2350 对比 Pico 2》对比了两种 RP2350A 引出板。官方文档:RP2350 芯片概览。

芯片能力——芯片提供什么

每一行是一项能力:官方措辞、开发中的含义、来源。随变体变化的数值在各自行内注明。

能力

能力来源原文来源
Dual Cortex-M33 or Hazard3 RISC-V @ up to 150 MHz“A choice of … Dual-core Arm Cortex-M33 / Dual-core Hazard3 RISC-V processor … at up to 150 MHz” (official wording). Software-selectable architecture — one chip, two instruction sets.Raspberry Pi microcontroller chip overviews (RP2040 / RP2350) · documentation/asciidoc/microcontrollers/microcontroller-chips/rp2350.adoc#L44-L76
520 kB on-chip SRAM, ten banks“520 kB of on-chip SRAM in ten independent banks” (official wording). Double the RP2040's SRAM.Raspberry Pi microcontroller chip overviews (RP2040 / RP2350) · documentation/asciidoc/microcontrollers/microcontroller-chips/rp2350.adoc#L44-L76
External QSPI flash / PSRAM via QMI; variant with 2 MB stacked flash“Run code directly from external flash … connect to external PSRAM through the QMI interface … RP2354A and RP2354B include 2 MB of stacked flash” (official wording). Unlike RP2040, some RP235x variants carry on-chip flash — the variant decides.Raspberry Pi microcontroller chip overviews (RP2040 / RP2350) · documentation/asciidoc/microcontrollers/microcontroller-chips/rp2350.adoc#L44-L76
4- or 8-channel ADC (variant) + temperature sensor“Depending on variant, 4-channel or 8-channel ADC with internal temperature sensor, 500 kS/s, and 12-bit conversion” (official wording). Channel count depends on the chip variant (A vs B packaging).Raspberry Pi microcontroller chip overviews (RP2040 / RP2350) · documentation/asciidoc/microcontrollers/microcontroller-chips/rp2350.adoc#L44-L76
Three PIO blocks, twelve state machines“three PIO blocks, each with four state machines (twelve in total)” (official wording). One more block than RP2040.Raspberry Pi microcontroller chip overviews (RP2040 / RP2350) · documentation/asciidoc/microcontrollers/microcontroller-chips/rp2350.adoc#L44-L76
2 UART / 2 SPI / 2 I2C / 16-24 PWM (variant) / USB 1.1 / HSTX“Two UARTs … Two SPI … Two I2C … 16 or 24 PWM channels … A USB 1.1 controller and PHY … An HSTX peripheral for high-speed digital output” (official wording). HSTX drives high-speed digital output such as video; PWM channel count is variant-dependent.Raspberry Pi microcontroller chip overviews (RP2040 / RP2350) · documentation/asciidoc/microcontrollers/microcontroller-chips/rp2350.adoc#L44-L76
TrustZone / signed boot / OTP / SHA-256 / TRNG“Security architecture built around Arm TrustZone … Signed boot support … OTP memory … SHA-256 acceleration … hardware TRNG” (official wording, abridged). A security feature set RP2040 does not have. In RISC-V mode some security features and the double-precision floating-point accelerator are unavailable (Architecture switching note); the affected subset is not enumerated here.Raspberry Pi microcontroller chip overviews (RP2040 / RP2350) · documentation/asciidoc/microcontrollers/microcontroller-chips/rp2350.adoc#L44-L76

依赖一项能力之前——范围与限制

采用 RP2350 的板卡

引脚图、修订与接口在板卡页。

开始开发

本站回答的常见问题

来源与依据

又名: RP2350, rp2350