42.8.4 Control D

Name: CTRLD
Offset: 0x08
Reset: 0x80
Property: PAC Write-Protection, Write-Synchronized

Bit 76543210 
 DISPENFC2ENFC1ENFC0EN CSRENBLINKBLANK 
Access RWRWRWRWRWRWRW 
Reset 0000000 

Bit 7 – DISPEN Display enable

These bit enable COM/SEG signal output.

These bits are not synchronized.

Bit 6 – FC2EN Frame Counter 2 Enable

This bit enables the frame counter 2.

ValueDescription
0 Frame counter 2 is disabled.
1 Frame counter 2 is enabled.

Bit 5 – FC1EN Frame Counter 1 Enable

This bit enables the frame counter 1.

ValueDescription
0 Frame counter 1 is disabled.
1 Frame counter 1 is enabled.

Bit 4 – FC0EN Frame Counter 0 Enable

This bit enables the frame counter 0.

ValueDescription
0 Frame counter 0 is disabled.
1 Frame counter 0 is enabled.

Bit 2 – CSREN Circular Shift Register Enable

This bit enables the circular shift register.

ValueDescription
0 Circular shift register is disabled.
1 Circular shift register is ensabled.

Bit 0 – BLANK Blank LCD

This bit allows user to blank all LCD segments (transparent).

ValueDescription
0 The state of the LCD segments is defined by shadow display memory.
1 Blank all LCD segments.