W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 120

• Manufacturer Part Number: W90221X
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

6.3
There are twelve registers included in two-channel Direct Memory Access (DMA) controller.
The I/O address map is allocated from 0xf0000200 to 0xf000022c.
W90221X version 0.6
Port Address
BA + 0x200
BA + 0x204
BA + 0x208
BA + 0x20c
BA + 0x210
BA + 0x214
BA + 0x218
BA + 0x21c
BA + 0x220
BA + 0x224
BA + 0x228
BA + 0x22c
DMA REGISTERS
Symbol
LETH0
LETH1
LCAR0
LCAR1
MOD0
MOD1
SAR0
TAR0
SAR1
TAR1
DBA0
DBA1
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
Channel 0 Source Address Register
Channel 0 Target Address Register
Channel 0 Length Register
Channel 0 Mode Control Register
Channel 1 Source Address Register
Channel 1 Target Address Register
Channel 1 Length Register
Channel 1 Mode Control Register
DMA I/O Device 0 Bass Address
DMA I/O Device 1 Base Address
Channel 0 Length Counter
Channel 1 Length Counter
Description
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