参数资料
型号: 440EP
厂商: Applied Micro Circuits Corp.
英文描述: Power PC 440EP Embedded Processor
中文描述: 440EP的Power PC嵌入式处理器
文件页数: 54/84页
文件大小: 541K
代理商: 440EP
58
AMCC Proprietary
440EP – PPC440EP Embedded Processor
Revision 1.26 – April 25, 2007
Data Sheet
Trace Interface
TrcBS0:2
Trace branch execution status.
I/O
3.3V tolerant
2.5V CMOS
TrcClk
Trace data capture clock, runs at 1/4 the frequency of the
processor.
O
3.3V tolerant
2.5V CMOSL
TrcES0:4
Trace Execution Status is presented every fourth processor
clock cycle.
I/O
3.3V tolerant
2.5V CMOS
TrcTS0:6
Additional information on trace execution and branch status.
I/O
3.3V tolerant
2.5V CMOS
Power
VDD
1.5V supply—Logic voltage.
na
OVDD
3.3V supply—I/O (except DDR SDRAM, Ethernet).
na
SVDD
2.5V supply—SDRAM, Ethernet.
na
GND
Ground.
na
AVDD
1.5V—Filtered voltage for system PLLs (analog).
na
AGND
PLL (analog) voltage ground.
na
SAVDD
1.5V—Filtered voltage for memory PLL (analog).
na
SAGND
PLL (analog) memory voltage ground.
na
Table 6. Signal Functional Description (Sheet 9 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3k
Ω to 3.3V)
3. Must pull down (recommended value is 1k
Ω)
4. If not used, must pull up (recommended value is 3k
Ω to 3.3V)
5. If not used, must pull down (recommended value is 1k
Ω)
6. Strapping input during reset; pull-up or pull-down required
Signal Name
Description
I/O
Type
Notes
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