MB87P2020 Datasheet, PDF (321/356 Pages) Fujitsu Component Limited. – Colour LCD/CRT/TV Controller

Flag Description
Table 2-1: Flags for MB87J2120 (Lavender) and MB87P2020-A (Jasmine)
Name Bit
Description
Default
behaviour
(FLAGRES)
BPE
8 X X ^{1: PE is executing a command}
static
(0)
OFL
7
X
X
1: Output FIFO load is equal or lower than programmable
output FIFO lower limit (OFUL_LL).
static
(0)
OFH
6
X
X
1: Output FIFO load is equal or higher than programma-
ble output FIFO upper limit (OFUL_UL).
static
(0)
OFE
5 X X ^{1: Output FIFO is empty.}
static
(0)
OFF
4 X X ^{1: Output FIFO is full.}
static
(0)
IFL
3
X
X
1: Input FIFO load is equal or lower than programmable
input FIFO lower limit (IFUL_LL).
static
(0)
IFH
2
X
X
1: Input FIFO load is equal or higher than programmable
input FIFO upper limit (IFUL_UL).
static
(0)
IFE
1 X X ^{1: Input FIFO is empty.}
static
(0)
IFF
0 X X ^{1: Input FIFO is full.}
static
(0)
a. Alternative this flag can cause an interrupt and writing can be done inside Interrupt Service Routine (ISR).
b. See GPU description for details about Sync Mixer settings.
Flag Description
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