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| 型号： | QUADS68040UM_D |
| 英文描述： | M68360QUADS-040 User＇s Manual |
| 中文描述： | M68360QUADS - 040使用手册 |
| 文件页数： | 37/86页 |
| 文件大小： | 1351K |
| 代理商： | QUADS68040UM_D |
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Freescale Semiconductor, Inc.
FUNCTIONAL DESCRIPTION
37
+12V ( O ) - +12V power supply from the M68360QUADS-040.
4.11.6.2
Ethernet Twisted-Pair Port Signal Description
The twisted-pair port connector P4 is a 8 pin, RJ-45 connector as shown in FIGURE 2-6.
FIGURE 4-6 Ethernet Twisted-Pair Port Connector
TPTX+
TPTX-
The list below describes the port signals. The directions ’I’, ’O’, and ’I/O’ are relative to the M68360QUADS-
040 board. (I.E. ’I’ means input to the M68360QUADS-040)
TPTX+ ( O ) - Transmit Data (positive).
TPTX- ( O ) - Transmit Data (negative).
TPRX+ ( I ) - Receive Data (positive).
TPRX- ( I ) - Receive Data (negative).
4.11.7
Serial EEPROM
The MCM2814 Serial EEPROM (U14) is a 256 bytes EEPROM with SPI interface. It is controlled by the
SPI port of the slave QUICC (pins 1,2 and 3 of port B), and by a general purpose output pin (pin 0 of port
B). The SPI port operates in master mode.
The serial EEPROM serves as non-volatile memory on the M68360QUADS-040 and may be used to store
software parameters to be protected from power-downs.
4.11.8
Slave QUICC General Purpose I/O Pins
The slave QUICC has three ports, A, B, and C, whose pins can be individually configured by software to
be general purpose I/O pin or dedicated peripheral function. The QUICC also has another port, E, whose
pins are not general purpose I/O, but they can be configured to operate in one of two possible modes.
The following subsections describe the slave QUICC ports. Refer to 3.4 on page 21 for the required
programming information.
4.11.8.1
Slave QUICC Port A
1
2
3
4
5
6
7
8
TPRX+
N.C.
N.C.
TPRX-
N.C.
N.C.
F
For More Information On This Product,
Go to: www.freescale.com
n
.
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