Low-Power SPI or Non-PCI Ethernet Controller
Product Brief
Supports auto-polling function
Supports 10/100Mbps N-way Auto-negotiation
High-performance non-PCI local bus
Supports 8/16-bit SRAM-like host interface
(US Patent Approval), easily interfaced to
most common embedded MCUs; or 8/16-bit
local CPU interface including MCS-51 series,
Renesas series CPUs
Advanced Power Management features
Supports dynamic power management to
reduce power dissipation during idle or light
traffic period
Supports Slave-DMA to minimize CPU
overhead and burst mode read & write access
for frame reception & transmission on
SRAM-like interface for high performance
Supports very low power Wake-On-LAN
(WOL) mode when the system enters sleep
mode and waits for network event to awake it
up. The wakeup events supported are network
link state change, receipt of a Magic Packet or
a pre-programmed Microsoft Wakeup Frame
or through GPIO pin
Supports variable voltage I/O (1.8/2.5/3.3V)
and programmable driving strength (8/16mA)
Interrupt pin with programmable timer
Supports Protocol Offload (ARP & NS) for
Windows 7 Networking Power Management
High-performance SPI slave interface
Supports SPI slave interface for CPU with
SPI master. The SPI slave interface supports
SPI timing mode 0 and 3, up to 40MHz of
SPICLK, variable voltage I/O and
programmable driving strength
Supports complete I/O pins isolation during
WOL mode or Remote Wakeup Ready mode
to reduce leakage current on non-PCI and SPI
slave host interface
Supports optional EEPROM interface to store
MAC address
Supports optional Ready signal as flow
control for SPI packet RX/TX
Supports up to four GPIOs and two of them
support Wake-On-LAN
Supports programmable LED pins for various
network activity indications with variable
voltage I/O and programmable driving strength
Embeds 14KB SRAM for packet buffers
Supports IPv4/IPv6 packet Checksum Offload
Engine to reduce CPU loading, including
TCP/UDP/ICMPv6 checksum generation &
Integrates voltage regulator, 25MHz crystal
oscillator and power on reset circuit on chip
Supports optional clock output (25, 50, or
100MHz) for system use, if 25MHz crystal is
Supports VLAN match filter
Integrates IEEE 802.3/802.3u standards
(twisted pair copper mode) Fast Ethernet
MAC/PHY transceiver in one single-chip
Supports twisted pair crossover detection and
correction (HP Auto-MDIX)
Supports full duplex operation with IEEE
802.3x flow control and half duplex operation
with back-pressure flow control
Supports alternative clock input (25MHz) from
system clock to save the 25MHz crystal cost
64-pin LQFP RoHS compliant package
Operates over 0 to +70C or -40 to +85C
temperature range
Product Description
The AX88796C is a SPI or non-PCI Ethernet controller with low power, low-pin-count and variable voltage
I/O for the Embedded and Industrial Ethernet applications. The AX88796C supports 8/16-bit SRAM-like or
ASIX Electronics Corporation
4F, No.8, Hsin Ann Rd.,
Hsinchu Science Park,
Hsinchu, Taiwan 30078
Released Date: 3/16/2010
TEL: +886-3-579-9500
FAX: +886-3-579-9558
Low-Power SPI or Non-PCI Ethernet Controller
Address-Data Multiplex host interface with variable voltage I/O, providing a glue-less connection to
common or high-end MCUs. The AX88796C also provides an alternative SPI slave interface for MCUs with
SPI master for simplifying host interface connection. The AX88796C integrates on-chip Fast Ethernet MAC
and PHY, which is IEEE 802.3/802.3u 10BASE-T/100BASE-TX compatible, and 14KB embedded SRAM
for packet buffering to accommodate high bandwidth applications. The AX88796C offers a wide array of
features including support for advanced power management, high performance data transfer on host
interface, IPv4/IPv6 checksum offload engine, HP Auto-MDIX, and IEEE 802.3x and back-pressure flow
control. The AX88796C supports two operating temperature ranges, namely, commercial grade from 0 to 70
C and industrial grade from –40 to 85 C. The small form factor of 64-pin LQFP package helps reduce the
overall PCB space. The programming of AX88796C is simple, so the users can easily port the software
drivers to many embedded systems very quickly.
Target Applications
Industrial Computer
Cable, Satellite and IP STB
IPTV, Digital Media Adapter
Network DVD, DVR-R, HDD
IP/Video Phone, VoIP ATA
Internet Radio
POS Terminal, Kiosk
Multi Functional Printer
RFID Reader
Time Attendance
RS232/422/485 to Ethernet
Building / Home Automation
HVAC Control
Networked Home Appliance
Security System
Biometric Access Control
Fingerprint Reader
Network Camera
Remote Surveillance
Professional DVR
Fire and Safety
Industrial Control
Remote Data Collection
Remote Monitor
Remote Control and
Environment Monitoring or
Network Sensor
Automatic Meter Reading
Networked UPS
Lighting Control
System Block Diagram
ASIX Electronics Corporation
4F, No.8, Hsin Ann Rd.,
Hsinchu Science Park,
Hsinchu, Taiwan 30078
Released Date: 3/16/2010
TEL: +886-3-579-9500
FAX: +886-3-579-9558