LSI Logic Confidential
15-38
Serial I/O Port
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
IDC Master Address Register (IDC_MASTERADDR)
Offset = 0xBE0090
Read/Write
Default = 0x0000 0000
MAddr
Master Address
[23:17]
The IDC device uses this address when in master mode.
It is the destination address for writes from the IDC
device, and the address from which the IDC device
reads.
RW
Read/Write
16
1 = Read operation
0 = Write operation
IDC Transmit Data Register (IDC_TX_DATA)
Offset = 0xBE0094
Write Only
Default = 0x0000 0000
TxData
Transmit Data
[23:16]
Writing to this location writes data to the 8-byte transmit
FIFO. The data in the transmit FIFO is transmitted over
the IDC lines (SIO_SDA and SIO_SCL) when the IDC
device is either the master during a write, or the slave
during a read. This is a write-only register.
Caution:
In the master transmitter mode, the transmit FIFO must not
be filled with data until the IDC device wins arbitration.
Otherwise, if the winning master tries to read from the IDC
device, the IDC device sends the data intended for its own
31
24
23
16
Reserved
MAddr
RW
15
0
Reserved
31
24
23
16
Reserved
TxData
15
0
Reserved
Содержание DMN-8600
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