“Esp32 spec”的版本间的差异
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free6d1823(讨论 | 贡献) |
free6d1823(讨论 | 贡献) |
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第8行: | 第8行: | ||
! 0x0000_0000 !! 0x3F3F_FFFF !! !!no use !! !! | ! 0x0000_0000 !! 0x3F3F_FFFF !! !!no use !! !! | ||
|- | |- | ||
− | || 0x3F40_0000|| 0x3F7F_FFFF || 4M || data || ext || Flash | + | || 0x3F40_0000|| 0x3F7F_FFFF || 4M || data || ext || Flash |
|- | |- | ||
− | || 0x3F80_0000|| 0x3FCBF_FFFF || 4M || data || ext || | + | || 0x3F80_0000|| 0x3FCBF_FFFF || 4M || data || ext || SRAM |
|- | |- | ||
! 0x3FC0_0000!! 0x3FEF_FFFF !! 3M !! no use!! !! | ! 0x3FC0_0000!! 0x3FEF_FFFF !! 3M !! no use!! !! | ||
第39行: | 第39行: | ||
|| 0x400C_0000|| 0x400C_1FFF || 8K || code || internal || RTC fast Memory (PRO_CPU only) | || 0x400C_0000|| 0x400C_1FFF || 8K || code || internal || RTC fast Memory (PRO_CPU only) | ||
|- | |- | ||
− | || 0x400C_2000|| 0x40BF_FFFF || 11512K || code || ext || flash | + | || 0x400C_2000|| 0x40BF_FFFF || 11512K || code || ext || flash |
|- | |- | ||
! 0x40C0_0000!! 0x4FFF_FFFF !! 244M !! no use!! !! | ! 0x40C0_0000!! 0x4FFF_FFFF !! 244M !! no use!! !! |
2020年2月16日 (日) 17:11的版本
2x Xtensa LX6 CPU.
两个CPU 的名称分别是“PRO_CPU”和“APP_CPU”。PRO 代表“protocol(协议)”,APP 代表“application
(应用)”。在大多数情况下,两个CPU 的功能是相同的。
start | end | size | usage | on-chip | usage |
---|---|---|---|---|---|
0x0000_0000 | 0x3F3F_FFFF | no use | |||
0x3F40_0000 | 0x3F7F_FFFF | 4M | data | ext | Flash |
0x3F80_0000 | 0x3FCBF_FFFF | 4M | data | ext | SRAM |
0x3FC0_0000 | 0x3FEF_FFFF | 3M | no use | ||
0x3FF0_0000 | 0x3FF7_FFFF | 512K | data | I/O | |
0x3FF8_0000 | 0x3FF8_1FFF | 8K | data | internal | RTC Fast Memory (PRO_CPU only) |
0x3FF8_2000 | 0x3FF8_FFFF | 56K | no use | ||
0x3FF9_0000 | 0x3FF9_FFFF | 64K | data | Internal | ROM 1 |
0x3FFA_0000 | 0x3FFA_DFFF | 56K | no use | ||
0x3FFA_E000 | 0x3FFD_FFFF | 200K | data | Internal | SRAM 2 (DMA) |
0x3FFE_0000 | 0x3FFF_FFFF | 128K | data | Internal | SRAM 1 (DMA) |
0x4000_0000 | 0x4005_FFFF | 384K | code | Internal | ROM 0 |
0x4006_0000 | 0x4006_FFFF | 64K | no use | ||
0x4007_0000 | 0x400A_FFFF | 192K | code | internal | SRAM 0 (64KB cache) |
0x400A_0000 | 0x400A_FFFF | 128K | code | internal | SRAM 1 |
0x400C_0000 | 0x400C_1FFF | 8K | code | internal | RTC fast Memory (PRO_CPU only) |
0x400C_2000 | 0x40BF_FFFF | 11512K | code | ext | flash |
0x40C0_0000 | 0x4FFF_FFFF | 244M | no use | ||
0x5000_0000 | 0x5000_1FFF | 8K | code/data | internal | RTC Slow Memory |
0x5000_2000 | 0xFFFF_FFFF | no use |
DMA:
UART0,1,2 SPI1,2,3 I2S0,1 SDIO slave, SDMMC EMAC BT WIFI