参数资料
型号: 440EPX
厂商: Applied Micro Circuits Corp.
英文描述: PowerPC 440EPx Embedded Processor
中文描述: 嵌入式处理器的PowerPC 440EPx
文件页数: 60/94页
文件大小: 738K
代理商: 440EPX
440EPx – PPC440EPx Embedded Processor
Revision 1.26 – October 15, 2007
AMCC Proprietary
63
Preliminary Data Sheet
Serial Peripheral Interface
SCPClkOut
Clock output.
I/O
3.3V LVTTL
SCPDI
Data input.
I/O
3.3V LVTTL
SCPDO
Data output.
O
3.3V LVTTL
Interrupts Interface
IRQ0:4
External interrupt requests 0 through 4.
I/O
3.3V LVTTL
1
IRQ5
External interrupt request 5.
I
3.3V LVTTL
Rcvr
1, 5
IRQ6:9
External interrupt requests 6 through 9.
I/O
3.3V LVTTL
1
JTAG Interface
TCK
Test Clock.
I
3.3V LVTTL
w/pull-up
1
TDI
Test Data In.
I
3.3V LVTTL
w/pull-up
1, 4
TDO
Test Data Out.
O
3.3V LVTTL
TMS
Test Mode Select.
I
3.3V LVTTL
w/pull-up
1
TRST
Test Reset.
I
3.3V LVTTL
w/pull-up
1, 5
Table 8. Signal Functional Description (Sheet 7 of 9)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3k
Ω to OV
DD (EOVDD for Ethernet)
3. Must pull down (recommended value is 1k
Ω)
4. If not used, must pull up (recommended value is 3k
Ω to OV
DD (EOVDD for Ethernet)
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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