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參數(shù)資料
| 型號： | IBM25NPE405L-3FA266CZ |
| 廠商： | APPLIEDMICRO INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | PowerNP |
| 中文描述： | 32-BIT, 266 MHz, RISC PROCESSOR, PBGA324 |
| 封裝： | 23 X 23 MM, PLASTIC, EBGA-324 |
| 文件頁數(shù)： | 39/54頁 |
| 文件大?。?/td> | 460K |
| 代理商： | IBM25NPE405L-3FA266CZ |
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Preliminary
PowerNP NPe405L Embedded Processor Data Sheet
37
System Interface
SysClk
Main System Clock input.
I
3.3V Analog
Wire w/ESD
SysReset
Main System Reset.
I/O
5V tolerant
3.3V LVTTL
1, 2
SysErr
Set to 1 when a Machine Check is generated.
O
5V tolerant
3.3V LVTTL
Halt
Halt from external debugger.
I
5V tolerant
3.3V LVTTL
1
GPIO00:31
General Purpose I/O. To access this function, software
must toggle a DCR bit.
I/O
5V tolerant
3.3V LVTTL
1
TestEn
Test Enable. Used only for manufacturing tests. Pull down
for normal operation.
I
3.3V LVTTL
Rcvr w/PD
TmrClk
This input must toggle at a rate of less than one half the
CPU core frequency (less than 100MHz in most cases). In
most cases this input toggles much slower (in the 1MHz to
10MHz range).
I
5V tolerant
3.3V LVTTL
1
Trace Interface
[TS1E]
[TS2E]
Even Trace execution status.To access this function,
software must toggle a DCR bit.
O
5V tolerant
3.3V LVTTL
[TS1O]
[TS2O]
Odd Trace execution status. To access this function,
software must toggle a DCR bit.
O
5V tolerant
3.3V LVTTL
[TS3:6]
Trace Status. To access this function, software must toggle
a DCR bit.
O
5V tolerant
3.3V LVTTL
[TrcClk]
Trace interface clock. A toggling signal that is always half
of the CPU core frequency. To access this function,
software must toggle a DCR bit.
O
5V tolerant
3.3V LVTTL
1
Power Pins
GND
Ground
Note:
J09-J14, K09-K14, L09-L14, M09-M14, N09-N14,
and P09-P14 are also thermal balls.
I
Hardwire
V
DD
Logic voltage—2.5V
I
Hardwire
OV
DD
Output driver voltage—3.3V
I
Hardwire
AV
DD
Filtered PLL voltage—2.5V
I
3.3V DC
Wire w/ESD
Other Pins
Reserved
Do not connect signals, voltage, or ground to these pins.
n/a
n/a
Signal Functional Description
(Part 6 of 6)
Notes:
1. Receiver input has hysteresis.
2. Must pull up. See “Pull-up and Pull-down Resistors” on page 30 for recommended termination values.
3. Must pull down. See “Pull-up and Pull-down Resistors” on page 30 for recommended termination values.
4. If not used, must pull up.
5. If not used, must pull down.
6. Strapping input during reset; pull up or pull down as required.
7. Pull-up may be required. See “External Peripheral Bus Control Signals” on page 31.
Signal Name
Description
I/O
Type
Notes
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