User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 805 of 909 2019 Ambiq Micro, Inc.
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23.1.1 Register Memory Map
Table 1165: Flash OTP INSTANCE0 INFO0 Register Map
Address(s) Register Name Description
0x00000000 SIGNATURE0 INFO0 Signature
0x00000004 SIGNATURE1 INFO0 Signature
0x00000008 SIGNATURE2 INFO0 Signature
0x0000000C SIGNATURE3 INFO0 Signature
0x00000010 SECURITY Security protection bits
0x00000014 CUSTOMERTRIM Customer trim values
0x00000018 CUSTOMERTRIM2 Customer trim values word2
0x00000020 SECURITYOVR Security Override configuration bits
0x00000024 SECURITYWIREDCFG Security Wired configuration bits
0x00000028 SECURITYWIREDIFCCFG0 Security Wired Interface configuration word0
0x0000002C SECURITYWIREDIFCCFG1 Security Wired Interface configuration word1
0x00000030 SECURITYWIREDIFCCFG2 Security Wired Interface configuration word2
0x00000034 SECURITYWIREDIFCCFG3 Security Wired Interface configuration word3
0x00000038 SECURITYWIREDIFCCFG4 Security Wired Interface configuration word4
0x0000003C SECURITYWIREDIFCCFG5 Security Wired Interface configuration word5
0x00000040 SECURITYVERSION Security version field
0x00000050 SECURITYSRAMRESV SRAM Reserved for Application Scratch space
0x000001F8 WRITEPROTECTL Flash write-protection bits.
0x000001FC WRITEPROTECTH Flash write-protection bits.
0x00000200 COPYPROTECTL Flash copy/read-protection bits.
0x00000204 COPYPROTECTH Flash copy/read-protection bits.
0x000009F8 WRITEPROTECTSBLL Flash write-protection bits.
0x000009FC WRITEPROTECTSBLH Flash write-protection bits.
0x00000A00 COPYPROTECTSBLL Flash copy/read-protection bits.
0x00000A04 COPYPROTECTSBLH Flash copy/read-protection bits.
0x00000C00 MAINPTR0 main firmware pointer 0
0x00000C04 MAINPTR1 main firmware pointer 1
0x00000C08 KREVTRACK KEK Revocation Tracker
0x00000C0C AREVTRACK AUTH Revocation Tracker
0x00000C10 OTADESCRIPTOR OTA Descriptor Pointer
0x00000FF8 MAINCNT0 main Index Counter 0
0x00000FFC MAINCNT1 main Index Counter 1
0x00001800 CUSTKEKW0 Customer KEK Word0
0x00001804 CUSTKEKW1 Customer KEK Word1
0x00001808 CUSTKEKW2 Customer KEK Word2
0x0000180C CUSTKEKW3 Customer KEK Word3