ppc440ep Applied Micro Circuits Corporation (AMCC), ppc440ep Datasheet - Page 16
ppc440ep
Manufacturer Part Number
ppc440ep
Description
Powerpc 440ep Embedded Processor
Manufacturer
Applied Micro Circuits Corporation (AMCC)
Datasheet
1.PPC440EP.pdf
(87 pages)
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General Purpose Timers (GPT)
Provides a separate time base counter and additional system timers in addition to those defined in the processor
core.
Features include:
General Purpose IO (GPIO) Controller
Universal Interrupt Controller (UIC)
Two Universal Interrupt Controllers (UIC) are employed. They provide control, status, and communications
necessary between the external and internal sources of interrupts and the on-chip PowerPC processor.
Note: Processor specific interrupts (for example, page faults) do not use UIC resources.
Features include:
JTAG
Features include:
16
Revision 1.29 – May 07, 2008
• 32-bit Time Base Counter driven by the OPB bus clock
• Seven 32-bit compare timers
• Controller functions and GPIO registers are programmed and accessed via memory-mapped OPB bus master
• 64 GPIOs are multiplexed with other functions. DCRs control whether a particular pin that has GPIO
• Each GPIO output is separately programmable to emulate an open drain driver (that is, drives to zero,
• 10 external interrupts
• Edge triggered or level-sensitive
• Positive or negative active
• Non-critical or critical interrupt to the on-chip processor core
• Programmable interrupt priority ordering
• Programmable critical interrupt vector for faster vector processing
• IEEE 1149.1 Test Access Port
• IBM RISCWatch Debugger support
• JTAG Boundary Scan Description Language (BSDL)
accesses.
capabilities acts as a GPIO or is used for another purpose.
tri-stated if output bit is 1).
Data Sheet
440EP – PPC440EP Embedded Processor
AMCC Proprietary