5.2.7.15 LCDC Interrupt Status Register

Name: LCDC_LCDISR
Offset: 0x00000038
Reset: 0x00000000
Property: Read-only

Bit 3130292827262524 
 WP        
Access R 
Reset 0 
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
     HEOOVR2OVR1BASE 
Access RRRR 
Reset 0000 
Bit 76543210 
    FIFOERRROWDISPDISSOF 
Access RRRRR 
Reset 00000 

Bit 31 – WP Write Protection Interrupt Status

ValueDescription
0

No Write Protection interrupt detected since last read of LCDC_LCDISR.

1 Indicates that a Write Protection error has been detected. This flag is reset after a read operation.

Bit 11 – HEO High-End Overlay Raw Interrupt Status

ValueDescription
0

No High-End layer interrupt detected since last read of LCDC_HEOISR.

1

Indicates that a High-End layer interrupt is pending. This flag is reset as soon as the LCDC_HEOISR is read.

Bit 10 – OVR2 Overlay 2 Raw Interrupt Status

ValueDescription
0

No Overlay 2 layer interrupt detected since last read of LCDC_OVR2ISR.

1

Indicates that an Overlay 2 layer interrupt is pending. This flag is reset as soon as the LCDC_OVR2ISR is read.

Bit 9 – OVR1 Overlay 1 Raw Interrupt Status

ValueDescription
0

No Overlay 1 layer interrupt detected since last read of LCDC_OVR1ISR.

1

Indicates that an Overlay 1 layer interrupt is pending. This flag is reset as soon as the LCDC_OVR1ISR is read.

Bit 8 – BASE Base Layer Raw Interrupt Status

ValueDescription
0

No base layer interrupt detected since last read of LCDC_BASEISR.

1

Indicates that a base layer interrupt is pending. This flag is reset as soon as the LCDC_BASEISR is read.

Bit 4 – FIFOERR Output FIFO Error

ValueDescription
0

No underflow has occurred in the output FIFO since last read of LCDC_LCDISR.

1

Indicates that an underflow has occurred in the output FIFO. This flag is reset after a read operation.

Bit 3 – ROW Row Interrupt Status

ValueDescription
0

No detection since last read of the LCDC_LCDCISR.

1

Indicates that a row event has been detected. This flag is reset after a read operation.

Bit 2 – DISP Power-up/Power-down Sequence Terminated Interrupt Status

ValueDescription
0

Power-up sequence or power-down sequence has not yet terminated.

1

Indicates the power-up sequence or power-down sequence has terminated. This flag is reset after a read operation.

Bit 1 – DIS LCD Disable Interrupt Status

ValueDescription
0

Horizontal and vertical timing generator has not yet been disabled.

1

Indicates that the horizontal and vertical timing generator has been disabled. This flag is reset after a read operation.

Bit 0 – SOF Start of Frame Interrupt Status

ValueDescription
0

No detection since last read of LCDC_LCDISR.

1

Indicates that a start of frame event has been detected. This flag is reset after a read operation.