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MB87P2020 Datasheet, PDF (72/356 Pages) Fujitsu Component Limited. – Colour LCD/CRT/TV Controller
MB87J2120, MB87P2020-A Hardware Manual
Register
Name
Address
WNDOF1
0x0048
WNDSZ1 0x004C
WNDSD0
0x0050
WNDSD1
0x0054
SDFLAG
0x0058
IFUL
0x0080
OFUL
0x0084
IFDMA
OFDMA
0x0088
0x008C
Table 2-1: ULB register description
Bits Group
Name
Description
Default value
20:0 OFF
20:0 SIZE
23:0 OFF
23:0 OFF
EN
0
UL
23:16
LL
7:0
UL
23:16
LL
7:0
7:0 LL
23:16 UL
MCU offset for SDRAM window 1
Size of SDRAM window 1
SDRAM offset for SDRAM
window 0
SDRAM offset for SDRAM
window 1
’1’: enable SDRAM space for
GDCc
’0’: any access to SDRAM space is
ignored by GDCc
Input FIFO upper limit for flag- or
interrupt controlled flow control
Flag IFH=1 if
IFLOADd >= IFUL:UL
Input FIFO lower limit for flag- or
interrupt controlled flow control
Flag IFL=1 if
IFLOADd <= IFUL:LL
Output FIFO upper limit for flag- or
interrupt controlled flow control
Flag OFH=1 if
OFLOADe >= OFUL:UL
Output FIFO lower limit for flag- or
interrupt controlled flow control
Flag OFL=1 if
OFLOADe <= IFUL:LL
Lower limit for DMA access to
input FIFO
Upper limit for DMA access from
output FIFO
0x50000
0x00001
0x000000
0x100000
0
0x0C
0x03
0x3C
0x0F
0x0A
0x3C
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