Designed specifically to address high-end embedded
applications, the PowerPC 440GX (PPC440GX) pro-
vides a high-performance, low power solution that
interfaces to a wide range of peripherals by incorporat-
ing on-chip power management features and lower
power dissipation.
This chip contains a high-performance RISC processor
core, DDR SDRAM controller,8KB SRAM, PCI-X bus
interface, Ethernet interfaces, control for external ROM
and peripherals, DMA with scatter-gather support, serial
ports, IIC interface, and general purpose I/O.
Technology: CMOS SA-27E, 0.18
µm
(0.11 L
eff
), 5-
layer metal
Packages: 25 mm, 552-ball Ceramic Ball Grid Array
(CBGA) or Plastic Ball Grid Array (PBGA)
Power (estimated): Less than:
4.0W in normal mode
1.0 W in sleep mode
Supply voltages required: 3.3V, 2.5V, 1.8V
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AMCC Confidential and Proprietary
1
440GP – PowerPC 440GP Embedded Processor
Revision 1.01 – July 30, 2004
Preliminary Data Sheet
TABLE OF CONTENTS
FEATURES .............................................................................................................................................................. 1
ORDERING AND PVR INFORMATION .................................................................................................................. 4
Order Part Number Key ..................................................................................................................................... 4
SERIAL PORT ....................................................................................................................................................... 11
IIC BUS INTERFACE ............................................................................................................................................ 11
GENERAL PURPOSE TIMERS (GPT) .................................................................................................................. 12
GENERAL PURPOSE IO (GPIO) CONTROLLER ................................................................................................ 12
SIGNAL LISTS ...................................................................................................................................................... 15
SIGNAL DESCRIPTION ........................................................................................................................................ 38
HEAT SINK MOUNTING INFORMATION (CERAMIC PACKAGE ONLY) ........................................................... 46
TEST CONDITIONS .............................................................................................................................................. 48
Figure 4. Heat Sink Attached With Spring Clip ...................................................................................................... 46
Figure 5. Heat Sink Attached With Adhesive ......................................................................................................... 46
Figure 7. Input Setup and Hold Waveform ............................................................................................................. 52
Figure 8. Output Delay and Float Timing Waveform .............................................................................................. 52
Figure 9. DDR SDRAM Signal Termination ........................................................................................................... 58
Table 11. DC Power Supply Loads ........................................................................................................................ 48
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