45.7.19 I2SMCC Write Protection Mode Register

Name: I2SMCC_WPMR
Offset: 0xE4
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
 WPKEY[23:16] 
Access WWWWWWWW 
Reset 00000000 
Bit 2322212019181716 
 WPKEY[15:8] 
Access WWWWWWWW 
Reset 00000000 
Bit 15141312111098 
 WPKEY[7:0] 
Access WWWWWWWW 
Reset 00000000 
Bit 76543210 
      WPCTENWPITENWPCFEN 
Access R/WR/WR/W 
Reset 000 

Bits 31:8 – WPKEY[23:0] Write Protection Key

ValueNameDescription
0x493253 PASSWD

Writing any other value in this field aborts the write operation.

Always reads as 0.

Bit 2 – WPCTEN Write Protection Control Enable

ValueDescription
0

Disables the write protection of the control if WPKEY matches to 0x493253 (I2S in ASCII).

1

Enables the write protection of the control if WPKEY matches to 0x493253 (I2S in ASCII).

Bit 1 – WPITEN Write Protection Interrupt Enable

ValueDescription
0

Disables the write protection of the interruption if WPKEY matches to 0x493253 (I2S in ASCII).

1

Enables the write protection of the interruption if WPKEY matches to 0x493253 (I2S in ASCII).

Bit 0 – WPCFEN Write Protection Configuration Enable

ValueDescription
0

Disables the write protection of the configuration if WPKEY matches to 0x493253 (I2S in ASCII).

1

Enables the write protection of the configuration if WPKEY matches to 0x493253 (I2S in ASCII).