MB87P2020 Datasheet, PDF (138/356 Pages) Fujitsu Component Limited. – Colour LCD/CRT/TV Controller

MB87J2120, MB87P2020-A Hardware Manual
Symbol
VICRLAY
Table 3-1: VIC register description
Address.
Description/Definition
h4024
AIVL[3:0]: actual written video layer
LIVL[11:8]: anteriorly written video layer
AOVL[23:16]: actual output video layer
VICVISYN h4028
VICLIMEN h402C
VICLIMH h4030
VICLIMV h4034
SEL[1:0] : video source select
— b00 : VPX
— b01 : CCIR - TRC
— b10 : CCIR - ext. sync
START[8] : selector for picture start flag (to ULB)
— 0 : VIC - start writing picture
— 1 : GPU - start reading picture
SHUFF[20:16] : Data Bus Shuffler
default: 5'b00000
For details see chapter 3.2.
DEL[25:24] : data delay
— b00: delay data 0 cycle respective VSC_VACT
— b01: delay data -1 cycles respective VSC_VACT
— b10: delay data -2 cycles respective VSC_VACT
— b11: delay data -3 cycles respective VSC_VACT
LIMENA[0] : limit size enable
— 0: limit size disabled
— 1: limit size enabled
HOFF[10:0]: horizontal offset
HEN[26:16]: horizontal window length (including offset!)
Only effects if VICLIMEN[0] = 1!
VOFF[10:0]: vertical offset
VEN[26:16]: vertical window length (including offset!)
Only effects if VICLIMEN[0] = 1!
Page 138