arno/trezor-firmware
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trezor-firmware/docs/memory.md
Pavol Rusnak 35a3c32935
docs: document OTP area usage
2017-10-20 15:33:34 +02:00

3.1 KiB
Raw Blame History

Memory Layout

Flash

sector range size function
Sector 0 0x08000000 - 0x08003FFF 16 KiB boardloader (1st stage) (write-protected)
Sector 1 0x08004000 - 0x08007FFF 16 KiB boardloader (1st stage) (write-protected)
Sector 2 0x08008000 - 0x0800BFFF 16 KiB boardloader (1st stage) (write-protected)
Sector 3 0x0800C000 - 0x0800FFFF 16 KiB PIN counter area
Sector 4 0x08010000 - 0x0801FFFF 64 KiB storage area #1
Sector 5 0x08020000 - 0x0803FFFF 128 KiB bootloader (2nd stage)
Sector 6 0x08040000 - 0x0805FFFF 128 KiB firmware
Sector 7 0x08060000 - 0x0807FFFF 128 KiB firmware
Sector 8 0x08080000 - 0x0809FFFF 128 KiB firmware
Sector 9 0x080A0000 - 0x080BFFFF 128 KiB firmware
Sector 10 0x080C0000 - 0x080DFFFF 128 KiB firmware
Sector 11 0x080E0000 - 0x080FFFFF 128 KiB firmware
Sector 12 0x08100000 - 0x08103FFF 16 KiB unused
Sector 13 0x08104000 - 0x08107FFF 16 KiB unused
Sector 14 0x08108000 - 0x0810BFFF 16 KiB unused
Sector 15 0x0810C000 - 0x0810FFFF 16 KiB unused
Sector 16 0x08110000 - 0x0811FFFF 64 KiB storage area #2
Sector 17 0x08120000 - 0x0813FFFF 128 KiB firmware extra
Sector 18 0x08140000 - 0x0815FFFF 128 KiB firmware extra
Sector 19 0x08160000 - 0x0817FFFF 128 KiB firmware extra
Sector 20 0x08180000 - 0x0819FFFF 128 KiB firmware extra
Sector 21 0x081A0000 - 0x081BFFFF 128 KiB firmware extra
Sector 22 0x081C0000 - 0x081DFFFF 128 KiB firmware extra
Sector 23 0x081E0000 - 0x081FFFFF 128 KiB firmware extra

OTP

block range size function
block 0 0x1FFF7800 - 0x1FFF781F 32 B device manufacturing date
block 1 0x1FFF7820 - 0x1FFF783F 32 B bootloader downgrade protection
block 2 0x1FFF7840 - 0x1FFF785F 32 B unused
block 3 0x1FFF7860 - 0x1FFF787F 32 B unused
block 4 0x1FFF7880 - 0x1FFF789F 32 B unused
block 5 0x1FFF78A0 - 0x1FFF78BF 32 B unused
block 6 0x1FFF78C0 - 0x1FFF78DF 32 B unused
block 7 0x1FFF78E0 - 0x1FFF78FF 32 B unused
block 8 0x1FFF7900 - 0x1FFF791F 32 B unused
block 9 0x1FFF7920 - 0x1FFF793F 32 B unused
block 10 0x1FFF7940 - 0x1FFF795F 32 B unused
block 11 0x1FFF7960 - 0x1FFF797F 32 B unused
block 12 0x1FFF7980 - 0x1FFF799F 32 B unused
block 13 0x1FFF79A0 - 0x1FFF79BF 32 B unused
block 14 0x1FFF79C0 - 0x1FFF79DF 32 B unused
block 15 0x1FFF79E0 - 0x1FFF79FF 32 B unused

RAM

region range size function
CCMRAM 0x10000000 - 0x1000FFFF 64 KiB Core Coupled Memory
SRAM1 0x20000000 - 0x2001BFFF 112 KiB General Purpose SRAM
SRAM2 0x2001C000 - 0x2001FFFF 16 KiB General Purpose SRAM
SRAM3 0x20020000 - 0x2002FFFF 64 KiB General Purpose SRAM