
Peripheral Register Descriptions
43
April 2003 Revised June 2004
SPRS219D
Table 122. MDIO Registers
HEX ADDRESS RANGE
ACRONYM
REGISTER NAME
01C8 3800
VERSION
MDIO Version Register
01C8 3804
CONTROL
MDIO Control Register
01C8 3808
ALIVE
MDIO PHY Alive Indication Register
01C8 380C
LINK
MDIO PHY Link Status Register
01C8 3810
LINKINTRAW
MDIO Link Status Change Interrupt Register
(MAC1 field is reserved and only supports writes of 0.)
01C8 3814
LINKINTMASKED
MDIO Link Status Change Interrupt (Masked) Register
(MAC1 field is reserved and only supports writes of 0.)
01C8 3818
USERINTRAW
MDIO User Command Complete Interrupt Register
(MAC1 field is reserved and only supports writes of 0.)
01C8 381C
USERINTMASKED
MDIO User Command Complete Interrupt (Masked) Register
(MAC1 field is reserved and only supports writes of 0.)
01C8 3820
USERINTMASKSET
MDIO User Command Complete Interrupt Mask Set Register
(MAC1 field is reserved and only supports writes of 0.)
01C8 3824
USERINTMASKCLEAR
MDIO User Command Complete Interrupt Mask Clear Register
(MAC1 field is reserved and only supports writes of 0.)
01C8 3828
USERACCESS0
MDIO User Access Register 0
01C8 382C
USERACCESS1
Reserved. Do not write.
01C8 3830
USERPHYSEL0
MDIO User PHY Select Register 0
01C8 3834
USERPHYSEL1
Reserved. Do not write.
01C8 3838 01C8 3FFF
Reserved
Table 123. I2C0 Registers
HEX ADDRESS RANGE
ACRONYM
REGISTER NAME
01B4 0000
I2COAR0
I2C0 own address register
01B4 0004
I2CIER0
I2C0 interrupt enable register
01B4 0008
I2CSTR0
I2C0 interrupt status register
01B4 000C
I2CCLKL0
I2C0 clock low-time divider register
01B4 0010
I2CCLKH0
I2C0 clock high-time divider register
01B4 0014
I2CCNT0
I2C0 data count register
01B4 0018
I2CDRR0
I2C0 data receive register
01B4 001C
I2CSAR0
I2C0 slave address register
01B4 0020
I2CDXR0
I2C0 data transmit register
01B4 0024
I2CMDR0
I2C0 mode register
01B4 0028
I2CISRC0
I2C0 interrupt source register
01B4 002C
Reserved
01B4 0030
I2CPSC0
I2C0 prescaler register
01B4 0034
I2CPID10
I2C0 Peripheral Identification register 1 [Value: 0x0000 0101
]
01B4 0038
I2CPID20
I2C0 Peripheral Identification register 2 [Value: 0x0000 0005
]
01B4 003C 01B4 3FFF
Reserved