UM10503
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
30 of 1269
NXP Semiconductors
UM10503
Chapter 4: LPC43xx One-Time Programmable (OTP) memory and API
0
3
Pre-programmed; cannot
be changed by the user.
0x00C
32 bit
Reserved
-
1
0
User programmable; initial
state = 0
0x010
32 bit
General purpose OTP memory 0, word 0, or
AES key 0, word 0
-
1
1
User programmable; initial
state = 0
0x014
32 bit
General purpose OTP memory 0, word 1, or
AES0 key 0, word 1
-
1
2
User programmable; initial
state = 0
0x018
32 bit
General purpose OTP memory 0, word 2, or
AES0 key 0, word 2
-
1
3
User programmable; initial
state = 0
0x01C
32 bit
General purpose OTP memory 0, word 3, or
AES0 key 0, word 3
-
2
0
User programmable; initial
state = 0
0x020
32 bit
General purpose OTP memory 1, word 0, or
AES key 1, word 0
-
2
1
User programmable; initial
state = 0
0x024
32 bit
General purpose OTP memory 1, word 1, or
AES key 1, word 1
-
2
2
User programmable; initial
state = 0
0x028
32 bit
General purpose OTP memory 1, word 2, or
AES key 1, word 2
-
2
3
User programmable; initial
state = 0
0x02C
32 bit
General purpose OTP memory 1, word 3, or
AES key 1, word 3
-
3
0
User programmable; initial
state = 0
0x030
32 bit
Customer control data
3
1
User programmable; initial
state = 0
0x034
32 bit
General purpose OTP memory 2, word 0, or
USB ID
3
2
User programmable; initial
state = 0
0x038
32 bit
General purpose OTP memory 2, word 1
3
3
User programmable; initial
state = 0
0x03C
32 bit
General purpose OTP memory 2, word 2
Table 12.
OTP memory description (OTP base address 0x4004 5000)
OTP
bank
Word
Access
Address
offset
Size
Description
Reference
Table 13.
OTP memory bank 3, word 0 - Customer control data (address offset 0x030)
Bit
Symbol
Value
Description
22:0
-
-
Reserved
23
USB_ID_ENABLE
Setting this bit allows to enable OTP defined USB
vendor and product IDs. When enabled, the USB
driver uses the USB_VENDOR_ID and
USB_PRODUCT_ID values. If disabled, the NXP
vendor ID (0x1FC9) and product ID (0x000C) is
used.
0
Disabled
1
Enabled
24
-
-
Reserved