MB86290A Datasheet, PDF (125/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

1
Empty entries less than half
Bits 20-15 FCNT(FIFO Counter)
Indicate number of empty entries (0: Full - 32: Empty)
Bit 22
CE (Display List Command Error)
Indicates command error detection
0
Normal
1
Command error detected
Bit 23
PE (Display List Packet code Error)
Indicates packet code error detection
0
Normal
1
Packet code error detected
Bit 24
FO (FIFO Overflow)
Indicates FIFO overflow status
0
Normal
1
FIFO overflow detected
IFSR (Input FIFO Status Register)
DrawBaseAddress + 404h
Register address
Bit #
Bit field name
R/W
Default
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
NF FF FE
RRR
001
This is a miller register for bits 14-12 of the CTR register.
IFCNT (Input FIFO Counter)
Register address ^{DrawBaseAddress + 408h}
Bit #
Bit field name
R/W
Default
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FCNT
R
100000
This is a miller register for bits 19-15 of the CTR register.
SST (Setup engine Status)
DrawBaseAddress + 40Ch
Register address
Bit #
Bit field name
R/W
Default
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
SS
R
00
This is a miller register for bits 9-8 of the CTR register.
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