PPC460EX-SUB800N AMCC, PPC460EX-SUB800N Datasheet - Page 19
PPC460EX-SUB800N
Manufacturer Part Number
PPC460EX-SUB800N
Description
Manufacturer
AMCC
Datasheet
1.PPC460EX-SUB800N.pdf
(106 pages)
- Current page: 19 of 106
- Download datasheet (2Mb)
Revision 1.19 – June 17, 2009
Serial Ports (UART)
The Universal Asynchronous Receiver/Transmitter (UART) interface provides one 8-signal port, or two 4-signal
ports, or four 2-signal ports. The UART performs serial-to-parallel conversion on data received from a peripheral
device or a modem, and parallel-to-serial conversion on data received from the processor.
Features include:
IIC Bus Controller
The Inter-Integrated Circuit (IIC) interface provides a Philips
either as a master, a slave, or both, with a Bootstrap Controller (BSC) included. During chip reset, the Bootstrap
Controller can read configuration data from an IIC-compatible memory device (for example, EEPROM). This data
can be used to replace the default configuration settings provided by the chip.
Features include:
AMCC Proprietary
Preliminary Data Sheet
• Up to four ports in the following combinations:
• Selectable internal or external serial clock to allow wide range of baud rates
• Register compatibility with 16750 register set
• Complete status reporting capability
• Fully programmable serial-interface characteristics
• Supports DMA using the 4-channel internal DMA function
• 64-byte FIFOs for buffering transmit and receive data
• Two IIC interfaces
• 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
• Supports fixed V
• 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
• Port 0 includes an integrated BSC that supports a serial Bootstrap ROM with default override parameters at
initialization
– One 8-pin (UART0)
– Two 4-pin (UART0 and UART1)
– Four 2-pin (UART0, UART1, UART2, and UART3)
DD
IIC interface
2
C Specification, dated 1995
®
460EX – PPC460EX Embedded Processor
I
2
C
™
compatible interface operating up to 400 kHz
19
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