MB87P2020 Datasheet, PDF (137/356 Pages) Fujitsu Component Limited. – Colour LCD/CRT/TV Controller

Video Interface Controller
Table 3-1: VIC register description
Symbol
VICFSYNC
SDRAM
VICBSTA
Address.
h4014
h401C
h4020
Description/Definition
SWL[14:0]: Switch Level (2-layer mode only)
SYNC[15]: Layer Sync Mode
— 0: 2-layer mode
— 1: 3-layer mode
REL[16]: Frame Rate Relation (2-layer mode only)
— 0: GPU is faster than VIC
— 1: VIC is faster than GPU
LP[2:0]: low priority (default: 3‘b010)
HP[6:4]: high priority (default: 3‘b110)
LOAD[6:0]: fifo load
REQ[8:7]: SDC request status
— b00: IDLE
— b01: REQ1
— b10: WAIT1
CLR[9]: clear fifo
ADD[12:10]: address register load
— bx00: empty
— bx01: 1 burst
— bx10: 2 burst
— bx11: 3 burst
— bx00: 4 burst (full)
— b0xx : NORM
— b1xx : FULL, but no error (error flag will be set with next new
address)
FSM[15:13]: fifo_fsm state
— b000 : NORM
— b001 : WAIT
— b101 : WAIT1
— b010 : ERROR
— b111 : RESET
— b110 : ERROR1
— b011 : RESET1
AERR[16] : address error
FF[17] : fifo full
FE[18] : fifo empty
VIC settings
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