78Q8430-ARM9-EVM Maxim Integrated Products, 78Q8430-ARM9-EVM Datasheet - Page 10
78Q8430-ARM9-EVM
Manufacturer Part Number
78Q8430-ARM9-EVM
Description
EVALUATION MODULE 78Q8430 ARM9
Manufacturer
Maxim Integrated Products
Specifications of 78Q8430-ARM9-EVM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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78Q8430 Data Sheet
1.4
This section provides an overview of the application environments such as the STMicroelectronics and
Embest ARM9
simple application diagram for a design using the GBI based 10/100-Mbps Ethernet Controller. By
providing a direct connection to the GBI bus, applications requiring Ethernet network access can be
realized with a high degree of integration. The figure shows the processor and the Ethernet controller
with connected address and data buses. This connection can be either on the motherboard, or via an
expansion module. The GBI Controller controls the address and data and the system control signals.
Figure 6 shows the components that are likely to be used with the 10/100-Mbps Ethernet Controller. The
integrated PHY is designed to directly connect to an integrated 1:1 transformer and RJ-45 connector,
thereby providing a minimum parts solution.
1.5
The 78Q8430 requires a single 3.3 V (+/-5%) supply voltage. No external components are required to
generate on-chip bias voltages and currents. High accuracy is maintained through a closed-loop trimmed
biasing network. On-chip power converters generate 1.8 V power for core digital logic and memory
blocks. The voltage regulator is not affected by the power-down mode.
1.6
The 78Q8430 supports both normal and power-saving modes. When the GBI bus is active, it can be in
normal mode or Power Management low-power modes.
10
Application Environments
Supply Voltages
Power Management
GBI
8/16/32-bit Bus
™
processors, for which the 78Q8430 provides a seamless interface.
Figure 6: GBI Bus Block Diagram
1:1 Transformer
10/100 Mbps
Connector
And RJ45
Controller
78Q8430
and PHY
Ethernet
EEPROM
or ROM
Figure 6
DS_8430_001
shows a
Rev. 1.2
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