AS1181 datasheet(73/92 Pages) AMSOSRAM

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AS1181

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DS001139 • v3-00 • 2026-Apr-01

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8.3.32

CONFIG_KEY_COMP0 register (Address 0x1A42)

Table 44: CONFIG_KEY_COMP0 register (Read and Write Access when config_mode ==1)

Addr: 0x1A42

CONFIG_KEY_COMP0

Bit

Bit field

Default

Access

Bit description

15:0

Key_compare[15:0]

0xc7a6

LSB of key which is used for comparing

8.3.33

CONFIG_KEY_COMP1 register (Address 0x1A44)

Table 45: CONFIG_KEY_COMP1 register (Read and Write Access config_mode ==1)

Addr: 0x1A44

CONFIG_KEY_COMP1

Bit

Bit field

Default

Access

Bit description

15:0

Key_compare[31:16]

0x13bf

LSB of key which is used for comparing

8.3.34

CUSTLOCK register (Address 0x1A46)

Table 46: CUSTLOCK register

Addr: 0x1A46

CUSTLOCK

Bit

Bit field

Default

Access

Bit description

otp_cust_lock

0x1

Lock bit for customer section in the OTP, lock bit cannot be

cleared when set

OTP section is not programmed

OTP section is programmed and write access is locked

Note: Lock bit is sticky and cannot be cleared when once set

AS1181 Datasheet(PDF) 73 Page - ams-OSRAM AG

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