2019-08-02 13:58:12 +00:00
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# Trezor T Memory Layout
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2016-10-10 09:51:24 +00:00
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2017-03-20 14:49:11 +00:00
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## Flash
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2016-10-10 09:51:24 +00:00
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| sector | range | size | function
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2016-10-10 10:32:38 +00:00
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|-----------|-------------------------|--------:|----------------------
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2017-04-10 17:11:44 +00:00
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| Sector 0 | 0x08000000 - 0x08003FFF | 16 KiB | boardloader (1st stage) (write-protected)
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| Sector 1 | 0x08004000 - 0x08007FFF | 16 KiB | boardloader (1st stage) (write-protected)
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2017-10-11 19:15:22 +00:00
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| Sector 2 | 0x08008000 - 0x0800BFFF | 16 KiB | boardloader (1st stage) (write-protected)
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2017-12-12 23:11:25 +00:00
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| Sector 3 | 0x0800C000 - 0x0800FFFF | 16 KiB | unused
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2017-10-11 19:15:22 +00:00
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| Sector 4 | 0x08010000 - 0x0801FFFF | 64 KiB | storage area #1
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2017-10-15 17:27:44 +00:00
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| Sector 5 | 0x08020000 - 0x0803FFFF | 128 KiB | bootloader (2nd stage)
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2017-02-08 15:36:19 +00:00
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| Sector 6 | 0x08040000 - 0x0805FFFF | 128 KiB | firmware
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| Sector 7 | 0x08060000 - 0x0807FFFF | 128 KiB | firmware
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| Sector 8 | 0x08080000 - 0x0809FFFF | 128 KiB | firmware
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| Sector 9 | 0x080A0000 - 0x080BFFFF | 128 KiB | firmware
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| Sector 10 | 0x080C0000 - 0x080DFFFF | 128 KiB | firmware
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| Sector 11 | 0x080E0000 - 0x080FFFFF | 128 KiB | firmware
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2017-10-16 12:22:10 +00:00
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| Sector 12 | 0x08100000 - 0x08103FFF | 16 KiB | unused
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| Sector 13 | 0x08104000 - 0x08107FFF | 16 KiB | unused
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| Sector 14 | 0x08108000 - 0x0810BFFF | 16 KiB | unused
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| Sector 15 | 0x0810C000 - 0x0810FFFF | 16 KiB | unused
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2017-10-11 19:15:22 +00:00
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| Sector 16 | 0x08110000 - 0x0811FFFF | 64 KiB | storage area #2
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2017-10-16 12:22:10 +00:00
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| Sector 17 | 0x08120000 - 0x0813FFFF | 128 KiB | firmware extra
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| Sector 18 | 0x08140000 - 0x0815FFFF | 128 KiB | firmware extra
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| Sector 19 | 0x08160000 - 0x0817FFFF | 128 KiB | firmware extra
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| Sector 20 | 0x08180000 - 0x0819FFFF | 128 KiB | firmware extra
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| Sector 21 | 0x081A0000 - 0x081BFFFF | 128 KiB | firmware extra
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| Sector 22 | 0x081C0000 - 0x081DFFFF | 128 KiB | firmware extra
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| Sector 23 | 0x081E0000 - 0x081FFFFF | 128 KiB | firmware extra
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2016-10-10 10:48:30 +00:00
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2017-10-20 13:33:34 +00:00
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## OTP
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| block | range | size | function
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|----------|-------------------------|------|--------------------------------
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2019-02-19 13:00:44 +00:00
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| block 0 | 0x1FFF7800 - 0x1FFF781F | 32 B | device batch (week of manufacture)
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2017-10-20 13:33:34 +00:00
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| block 1 | 0x1FFF7820 - 0x1FFF783F | 32 B | bootloader downgrade protection
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2017-12-13 22:08:15 +00:00
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| block 2 | 0x1FFF7840 - 0x1FFF785F | 32 B | vendor keys lock
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2019-02-19 13:00:44 +00:00
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| block 3 | 0x1FFF7860 - 0x1FFF787F | 32 B | entropy/randomness
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2017-10-20 13:33:34 +00:00
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| block 4 | 0x1FFF7880 - 0x1FFF789F | 32 B | unused
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| block 5 | 0x1FFF78A0 - 0x1FFF78BF | 32 B | unused
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| block 6 | 0x1FFF78C0 - 0x1FFF78DF | 32 B | unused
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| block 7 | 0x1FFF78E0 - 0x1FFF78FF | 32 B | unused
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| block 8 | 0x1FFF7900 - 0x1FFF791F | 32 B | unused
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| block 9 | 0x1FFF7920 - 0x1FFF793F | 32 B | unused
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| block 10 | 0x1FFF7940 - 0x1FFF795F | 32 B | unused
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| block 11 | 0x1FFF7960 - 0x1FFF797F | 32 B | unused
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| block 12 | 0x1FFF7980 - 0x1FFF799F | 32 B | unused
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| block 13 | 0x1FFF79A0 - 0x1FFF79BF | 32 B | unused
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| block 14 | 0x1FFF79C0 - 0x1FFF79DF | 32 B | unused
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| block 15 | 0x1FFF79E0 - 0x1FFF79FF | 32 B | unused
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2017-03-20 14:49:11 +00:00
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## RAM
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2016-10-10 10:48:30 +00:00
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| region | range | size | function
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|---------|-------------------------|--------:|----------------------
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2017-10-11 21:37:28 +00:00
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| CCMRAM | 0x10000000 - 0x1000FFFF | 64 KiB | Core Coupled Memory
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2016-10-10 10:48:30 +00:00
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| SRAM1 | 0x20000000 - 0x2001BFFF | 112 KiB | General Purpose SRAM
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| SRAM2 | 0x2001C000 - 0x2001FFFF | 16 KiB | General Purpose SRAM
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2017-10-11 21:36:07 +00:00
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| SRAM3 | 0x20020000 - 0x2002FFFF | 64 KiB | General Purpose SRAM
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