diff --git a/boards/esp32-mh-et-live-minikit/doc.txt b/boards/esp32-mh-et-live-minikit/doc.txt
index c351627ffe..a9208f3581 100644
--- a/boards/esp32-mh-et-live-minikit/doc.txt
+++ b/boards/esp32-mh-et-live-minikit/doc.txt
@@ -69,7 +69,7 @@ Vendor | Espressif | |
Cores | 1 or 2 x Tensilica Xtensa LX6 | 1 core
FPU | yes (ULP - Ultra low power co-processor) | no
RAM | 520 kByte SRAM
16 kByte RTC SRAM | yes
-ROM | 520 kByte | yes
+ROM | 448 kByte | yes
Flash | 512 kByte ... 16 MByte | yes
Frequency | 240 MHz, 160 MHz, 80 MHz | yes
Power Consumption | 68 mA @ 240 MHz
44 mA @ 160 MHz
31 mA @ 80 MHz
5 uA in deep sleep mode | yes
yes
yes
no
diff --git a/boards/esp32-olimex-evb/doc.txt b/boards/esp32-olimex-evb/doc.txt
index 94454aa685..0da5e389c7 100644
--- a/boards/esp32-olimex-evb/doc.txt
+++ b/boards/esp32-olimex-evb/doc.txt
@@ -62,7 +62,7 @@ Vendor | Espressif | |
Cores | 1 or 2 x Tensilica Xtensa LX6 | 1 core
FPU | yes (ULP - Ultra low power co-processor) | no
RAM | 520 kByte SRAM
16 kByte RTC SRAM | yes
-ROM | 520 kByte | yes
+ROM | 448 kByte | yes
Flash | 512 kByte ... 16 MByte | yes
Frequency | 240 MHz, 160 MHz, 80 MHz | yes
Power Consumption | 68 mA @ 240 MHz
44 mA @ 160 MHz
31 mA @ 80 MHz
5 uA in deep sleep mode | yes
yes
yes
no
diff --git a/boards/esp32-wemos-lolin-d32-pro/doc.txt b/boards/esp32-wemos-lolin-d32-pro/doc.txt
index 5d8b2b8007..44c6f53d0b 100644
--- a/boards/esp32-wemos-lolin-d32-pro/doc.txt
+++ b/boards/esp32-wemos-lolin-d32-pro/doc.txt
@@ -55,7 +55,7 @@ Vendor | Espressif | |
Cores | 1 or 2 x Tensilica Xtensa LX6 | 1 core
FPU | yes (ULP - Ultra low power co-processor) | no
RAM | 520 kByte SRAM
16 kByte RTC SRAM | yes
-ROM | 520 kByte | yes
+ROM | 448 kByte | yes
Flash | 512 kByte ... 16 MByte | yes
Frequency | 240 MHz, 160 MHz, 80 MHz | yes
Power Consumption | 68 mA @ 240 MHz
44 mA @ 160 MHz
31 mA @ 80 MHz
5 uA in deep sleep mode | yes
yes
yes
no
diff --git a/boards/esp32-wroom-32/doc.txt b/boards/esp32-wroom-32/doc.txt
index 58c0486b3a..bc3bdebae6 100644
--- a/boards/esp32-wroom-32/doc.txt
+++ b/boards/esp32-wroom-32/doc.txt
@@ -49,7 +49,7 @@ Vendor | Espressif | |
Cores | 1 or 2 x Tensilica Xtensa LX6 | 1 core
FPU | yes (ULP - Ultra low power co-processor) | no
RAM | 520 kByte SRAM
16 kByte RTC SRAM | yes
-ROM | 520 kByte | yes
+ROM | 448 kByte | yes
Flash | 512 kByte ... 16 MByte | yes
Frequency | 240 MHz, 160 MHz, 80 MHz | yes
Power Consumption | 68 mA @ 240 MHz
44 mA @ 160 MHz
31 mA @ 80 MHz
5 uA in deep sleep mode | yes
yes
yes
no
diff --git a/boards/esp32-wrover-kit/doc.txt b/boards/esp32-wrover-kit/doc.txt
index 4094d19f7b..efaa94042c 100644
--- a/boards/esp32-wrover-kit/doc.txt
+++ b/boards/esp32-wrover-kit/doc.txt
@@ -58,7 +58,7 @@ Vendor | Espressif | |
Cores | 1 or 2 x Tensilica Xtensa LX6 | 1 core
FPU | yes (ULP - Ultra low power co-processor) | no
RAM | 520 kByte SRAM
16 kByte RTC SRAM | yes
-ROM | 520 kByte | yes
+ROM | 448 kByte | yes
Flash | 512 kByte ... 16 MByte | yes
Frequency | 240 MHz, 160 MHz, 80 MHz | yes
Power Consumption | 68 mA @ 240 MHz
44 mA @ 160 MHz
31 mA @ 80 MHz
5 uA in deep sleep mode | yes
yes
yes
no
diff --git a/cpu/esp32/doc.txt b/cpu/esp32/doc.txt
index cdf4ef9133..148fda9cb8 100644
--- a/cpu/esp32/doc.txt
+++ b/cpu/esp32/doc.txt
@@ -139,7 +139,7 @@ Vendor | Espressif | |
Cores | 1 or 2 x Tensilica Xtensa LX6 | 1 core
FPU | yes (ULP - Ultra low power co-processor) | no
RAM | 520 kByte SRAM
16 kByte RTC SRAM | yes
-ROM | 520 kByte | yes
+ROM | 448 kByte | yes
Flash | 512 kByte ... 16 MByte | yes
Frequency | 240 MHz, 160 MHz, 80 MHz | yes
Power Consumption | 68 mA @ 240 MHz
44 mA @ 160 MHz
31 mA @ 80 MHz
5 uA in deep sleep mode | yes
yes
yes
no