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参数资料
| 型号： | AN2001 |
| 厂商： | Motorola, Inc. |
| 英文描述： | Designing Expansion Boards |
| 中文描述： | 设计扩展板 |
| 文件页数： | 3/20页 |
| 文件大小： | 1724K |
| 代理商： | AN2001 |
Designing Expansion Boards for the Motorola MPC555EVB/ETAS ES2000
Rev. 1, 31 July 2001
MOTOROLA
3
2.3 HCE Board Dimensions
Figure 1
and
Table 2
show the maximum board dimensions for boards designed to interface to the HCE
connectors. Surface mount components should be used to keep the total height of the HCE board and
connectors to 0.6875 inches (17.46 mm) to avoid interference with the optional ETAS ETK interface.
Figure 1
HCE Board Layout
3 The Customized Communication Expansion Connectors (CCE)
The customized communication expansion connectors on the EVB555 allows access to the MPC555
on-chip communication ports. The EVB555 provides for RS-232 drivers and DB9 connector for the SCI1
channel of the MPC555. The CCE allows for customized connections to all of the MPC555 QSMCM and
TouCAN interfaces. There are two 20-pin connectors (CO104 – A and CO105 – B) part number Samtec
TFM-110-12-S-D-P. The matching connector required on the expansion board is SFM-110-02-S-D-P.
The pin-out of the CCE is shown in
Table 3
.
NOTE
The TXD1 and RXD1 are, by default, connected to the on board RS-232 driver.
These can optionally be brought to the TXD_CCE (7) and RXD_CCE (8) pins of
connector CO105 by changing the position of the 0
resistors on BR100 and
BR101 from position 1-2 to position 2-3.
Table 2 HCE Board Dimensions
Dimension
L
S
T
Millimeters
45.72
6.35
44.45
Inches
1.800
0.250
1.75
Host
Communication
Expansion
L
S
T
S
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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