W90220F Winbond Electronics Corp America, W90220F Datasheet - Page 28

• Manufacturer Part Number: W90220F
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

The above information is the exclusive intellectual property of Winbond Electroncs Corp. and shall not be dsiclosed or distributed or reproduced without permission from
Winbond.
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Bits 5-7 Size of ROM bank 3
ROM Configuration_2 Register (ROMconf2)
Index : 0x0a
Bits 0-1 Data Width of ROM bank 3
Bits 2-3 Data Width of ROM bank 2
Bits 4-5 Data Width of ROM bank 1
Bits 6-7 Data Width of ROM bank 0
*note : The default value of this register is determined by MD[30:31]. The states of MD[30:31] will be
copied into ROMconf2[0:1]/[2:3]/4:5]/[6:7] during system power-on (cold) reset.
ROM Configuration_3 Register (ROMconf3)
Index : 0x0b
0
0
ROM3DW
ROM Read Wait state
(The definition is the same as ROMconf0[1:3])
(The definition is the same as ROMconf2[0:1])
(The definition is the same as ROMconf2[0:1])
(The definition is the same as ROMconf2[0:1])
ROMconf2[0:1]
1
1
0 0
0 1
1 0
1 1
Read/write
Read/write
2
2
ROM2DW
BK0only
3
3
Data width
(reserved)
Halfword
Word
Power-on Default : *note
Power-on Default : 0b'11011xx
Byte
LA
4
4
ROM1DW
5
5
Reserved
6
6
ROM0DW
7
7
W90220F
Version 0.84