参数资料
型号: 405EZ
厂商: Applied Micro Circuits Corp.
英文描述: PowerPC 405EZ Embedded Processor
中文描述: 嵌入式处理器的PowerPC 405EZ
文件页数: 7/54页
文件大小: 362K
代理商: 405EZ
PPC405EZ – PowerPC 405EZ Embedded Processor
Revision 1.27 - August 22, 2007
AMCC Proprietary
15
Preliminary Data Sheet
Analog-to-Digital Converter (ADC)
The ADC is a mixed-signal core. It uses the successive approximation (binary search) conversion technique to
achieve minimal conversion time. The analog input range is 0.0V to Vref.
Features include:
Internal 10-bit resolution SAR ADC
Sample and hold
Support for multiple conversion times such as
–3.25
μs with 4-MHz input clock
–52
μs with 250-kHz input clock
Comparator
Digital controller
8-channel analog input (3.3 V) with 8:1 analog multiplexer
10-bit parallel digital outputs
Input trigger from Chameleon Timer supported
OPB interface with optional DMA support
Digital-to-Analog Converter (DAC)
The DAC is a 1-channel converter, optimized for low power applications. It provides unbuffered single-ended
analog current output. The single analog current output can be tied directly to an output resistor to provide twos-
complementary, single-ended voltage outputs.
Features include:
10-bit resolution at 30M samples/sec
Segmented DAC
Single-ended current outputs (6mA maximum swing at 3.3V)
Monotonicity ensured
Straight binary input
Internal bandgap voltage reference
Power management by means of Sleep Mode
Integrated functional test logic
Input trigger from Chameleon Timer supported
OPB interface with optional DMA support
JTAG
Features include:
IEEE 1149.1 test access port
JTAG Boundary Scan Description Language (BSDL)
Refer to http://www.amcc.com/Embedded/Partners for a list of AMCC partners supplying probes for use with the
JTAG interface.
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