78Q8430-100CGT/F TERIDIAN, 78Q8430-100CGT/F Datasheet - Page 11

• Manufacturer Part Number: 78Q8430-100CGT/F
• Description: IC, ETHERNET TXRX, IEEE 802.3, LQFP-100
• Manufacturer: TERIDIAN

Specifications of 78Q8430-100CGT/F

• No. Of Ports: 2
• Ethernet Type: IEEE 802.3x, IEEE 802.3u, IEEE 802.3-2000
• Ic Interface Type: Host Bus, JTAG
• Supply Voltage Range: 0V To 3.3V
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER DESCRIPTION
The 78Q2123/78Q2133 implement 13 16-bit registers, which are accessible via the MDIO and MDC pins. The
supported registers are shown below in the following table. Attempts to read unsupported registers will be
ignored and the MDIO pin will not be enabled as an output, as per the IEEE 802.3 specification. All of the
registers except those that are unique to the 78Q2123/78Q2133 will respond to the broadcast PHYAD value of
‘00000’. The registers specific to the 78Q2123/78Q2133 occupy address space MR16-24.
Legend:
Page: 11 of 39
ADDRESS
20-22
8-14
TYPE DESCRIPTION
15
16
17
18
19
23
24
WC
0
1
2
3
4
5
6
7
0/1
R
Readable by management.
Writeable by management. Self
Clearing.
Default value upon power up or
reset
SYMBOL
MR20-22
MR8-14
MR15
MR16
MR17
MR18
MR19
MR23
MR24
MR0
MR1
MR2
MR3
MR4
MR5
MR6
MR7
NAME
Control
Status
PHY Identifier 1
PHY Identifier 2
Auto-Negotiation Advertisement
Auto-Negotiation Link Partner Ability
Auto-Negotiation Expansion
Not Implemented
Reserved
Not Implemented
Vendor Specific
Interrupt Control/Status Register
Diagnostic Register
Transceiver Control
Reserved
LED Configuration Register
MDI/MDIX Control Register
©
2006 Teridian Semiconductor Corporation
TYPE DESCRIPTION
RC
W
Writeable by management.
Readable by management.
Cleared upon a read operation.
10/100BASE-TX Transceiver
DEFAULT (HEX)
(01E1)
(00C0)
(3100)
(7849)
(0140)
4XXX
000E
7237
0000
0000
0000
0000
0000
0000
0000
0000
0010
Rev 1.1