ppc440grx Applied Micro Circuits Corporation (AMCC), ppc440grx Datasheet - Page 15
ppc440grx
Manufacturer Part Number
ppc440grx
Description
Powerpc 440grx Embedded Processor
Manufacturer
Applied Micro Circuits Corporation (AMCC)
Datasheet
1.PPC440GRX.pdf
(90 pages)
- Current page: 15 of 90
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Revision 1.11 – July 22, 2008
IIC Bus Controller
Features include:
Serial Peripheral Controller (SPI/SCP)
The Serial Peripheral Interface (also known as the Serial Communications Port) is a full-duplex, synchronous,
character-oriented (byte) port that allows the exchange of data with other serial devices. The SCP is a master on the
serial port supporting a 3-wire interface (receive, transmit, and clock), and is a slave on the OPB.
Features include:
NAND Flash Controller
The NAND Flash controller provides a simple interface between the EBC and up to four separate external NAND
Flash devices. It provides both direct command, address, and data access to the external device as well as a
memory-mapped linear region that generates data accesses. NAND Flash data is transferred on the peripheral data
bus.
Features include:
AMCC Proprietary
Preliminary Data Sheet
• Two IIC interfaces provided
• Support for Philips® Semiconductors I
• Operation at 100kHz or 400kHz
• 8-bit data
• 10- or 7-bit address
• Slave transmitter and receiver
• Master transmitter and receiver
• Multiple bus masters
• Two independent 4 x 1 byte data buffers
• Twelve memory-mapped, fully programmable configuration registers
• One programmable interrupt request signal
• Provides full management of all IIC bus protocols
• Programmable error recovery
• Includes an integrated bootstrap controller (BSC) that is multiplexed with the IIC0 interface
• Three-wire serial port interface
• Full-duplex synchronous operation
• SCP bus master
• OPB bus slave
• Programmable clock rate divider
• Clock inversion
• Reverse data
• Local data loop back for test
• One to four banks supported on EBC
• Direct interface to:
• Device sizes:
• (512 + 16)-B or (2K + 64)-B page sizes supported
• Boot-from-NAND
• ECC provides single-bit error correction and double-bit error detection in each 256B of stored data
– Discrete NAND Flash devices (up to four devices)
– SmartMedia Card socket (22-pins)
– 4MB and larger supported for read/write access
– 4MB to 256MB for boot-from-NAND flash (size supported depends on addressing mode)
– Execute up to 4KB of boot code out of first block.
– Automatic page read accesses performed based on device configuration and addressing mode.
2
C Specification, dated 1995
440GRx – PPC440GRx Embedded Processor
15
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