78Q8430-100IGT/F Maxim Integrated Products, 78Q8430-100IGT/F Datasheet - Page 52

• Manufacturer Part Number: 78Q8430-100IGT/F
• Description: IC LAN MEDIA ACCESS CTLR 100LQFP
• Manufacturer: Maxim Integrated Products

Specifications of 78Q8430-100IGT/F

• Controller Type: Ethernet Controller, MAC/PHY
• Voltage - Supply: 3.3V
• Current - Supply: 230mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -

78Q8430 Data Sheet
7 Register Descriptions
7.1
The 78Q8430 has 10 address bits for a total address space of 1024 bytes. This address space is divided
into four 256-location blocks: QUE, CTL, Reserved and SNOOP.
The QUE section contains registers used to control transmit and receive queues. Each queue is
allocated eight 32-bit registers for a maximum of eight queues supported.
The CTL section contains control registers used to control the behavior of 78Q8430.
A block of 256 addresses is reserved for future use.
The SNOOP section is mapped to cache memory via the Snoop Control Register.
52
Register Overview
0x000
…
0x0FF
0x100
…
0x1FF
0x200
…
0x2FF
0x300
…
0x3FF
Address Range
QUE
CTL
Reserved
SNOOP
Group
DS_8430_001
Rev. 1.2