Type 0:
*Bits 7..4 define Vertical Sync Width. If 0 is programmed , this gives 16 lines of VSYNC.*Bits 3..0 define Horizontal Sync Width. If 0 is programmed , no HSYNC is generated (and therefore, no interrupts).
Type 1:
*Bits 7..4 are ignored. Vertical Sync is fixed at 16 lines.
*Bits 3..0 define Horizontal Sync Width. If 0 is programmed , no HSYNC is generated (and therefore, no interrupts).
Type 2:
*Bits 7..4 are ignored. Vertical Sync is fixed at 16 lines.
*Bits 3..0 define Horizontal Sync Width. If 0 is programmed , this gives a HSYNC width of 16.
Types 3/4:
*Bits 7..4 define Vertical Sync Width. If 0 is programmed , this gives 16 lines of VSYNC.*Bits 3..0 define Horizontal Sync Width. If 0 is programmed , this gives a HSYNC width of 16.
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