參數資料
型號: MPC8240EC
廠商: Motorola, Inc.
英文描述: Integrated Processor Hardware Specifications
中文描述: 綜合處理器硬件規(guī)格
文件頁數: 39/52頁
文件大?。?/td> 1027K
代理商: MPC8240EC
MOTOROLA
MPC8240 Integrated Processor Hardware Specifications
For More Information On This Product,
Go to: www.freescale.com
39
System Design Information
Figure 25. COP Connector Diagram
1.7.7
PCI Reference Voltage—LV
DD
The MPC8240 PCI reference voltage (LV
DD
) pins should be connected to 3.3 ±0.3 V power supply if
interfacing the MPC8240 into a 3.3-V PCI bus system. Similarly, the LV
DD
pins should be connected to
5.0 ±5% V power supply if interfacing the MPC8240 into a 5-V PCI bus system. For either reference
HRESET
HRST_CPU
HRST_CTRL
From Target
Board Sources
HRESET
13
SRESET
5
SRESET
5
SRESET
5
NC
NC
NC
11
VDD_SENSE
6
5
2
15
3
1 k
10 k
10 k
10 k
OV
DD
OV
DD
OV
DD
OV
DD
CHKSTOP_IN
6
CHKSTOP_IN
6
8
TMS
TDO
TDI
TCK
TMS
TDO
TDI
TCK
QACK
1
9
1
3
4
TRST
7
16
2
10
12
(if any)
C
14
4
Key
Notes:
1. QACK is an output on the MPC8240 and is not required at the COP header for emulation.
2. RUN/STOP normally found on pin 5 of the COP header is not implemented on the MPC8240.
Connect pin 5 of the COP header to OV
DD
with a 1-k
pull-up resistor.
3. CKSTP_OUT normally found on pin 15 of the COP header is not implemented on the MPC8240.
Connect pin 15 of the COP header to OV
DD
with a 10-k
pull-up resistor.
4. Pin 14 is not physically present on the COP header.
5. SRESET functions as output SDMA12 in extended ROM mode.
6. CHKSTOP_IN functions as output SDMA14 in extended ROM mode.
OV
DD
OV
DD
10 k
OV
DD
TRST
10 k
OV
DD
10 k
10 k
MPC8240
3
13
9
5
1
6
10
2
15
11
7
16
12
8
4
KEY
COP Connector
Physical Pin Out
F
Freescale Semiconductor, Inc.
n
.
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