MC68360RC25K Freescale Semiconductor, MC68360RC25K Datasheet - Page 515
MC68360RC25K
Manufacturer Part Number
MC68360RC25K
Description
IC MPU QUICC 25MHZ 241-PGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MC68EN360VR25L.pdf
(14 pages)
2.MC68EN360VR25L.pdf
(2 pages)
3.MC68360AI25L.pdf
(962 pages)
Specifications of MC68360RC25K
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
241-PGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
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Figure 7-55 shows the other LAN-type configuration of HDLC bus. In this configuration, a
master station transmits to any slave station, with no collisions possible. The slaves com-
municate only with the master, but may experience collisions in their access over the bus.
In this configuration, a slave that must communicate with another slave must first transmit
its data to the master, where the data is buffered in RAM and then retransmitted to the other
slave. The benefit of this configuration, however, is that full-duplex operation may be
obtained. This configuration is preferred in a point-to-multipoint environment.
NOTES:
NOTES:
1. Transceivers may be used to extend the LAN size, if necessary.
2. The TXD pins of slave devices should be configured to open-drain in the port C parallel I/O port.
RXD
1. Transceivers may be used to extend the LAN size, if necessary.
2. The TXD pins should be configured to open-drain in the port C parallel I/O port.
RXD
CONTROLLER
MASTER
CONTROLLER
HDLC
HDLC-BUS
Figure 7-55. HDLC Bus Single-Master Configuration
TXD
MASTER
A
Figure 7-54. HDLC Bus Multi-Master Configuration
TXD
A
Freescale Semiconductor, Inc.
CTS
For More Information On This Product,
MC68360 USER’S MANUAL
Go to: www.freescale.com
HDLC-BUS LAN
RXD
RXD
CONTROLLER
HDLC BUS
HDLC-BUS LAN
CONTROLLER
SLAVE
TXD
HDLC-BUS
MASTER
B
TXD
B
CTS
CTS
Serial Communication Controllers (SCCs)
RXD
RXD
CONTROLLER
HDLC BUS
CONTROLLER
SLAVE
HDLC-BUS
TXD
MASTER
C
TXD
C
CTS
CTS
R
R
+5
+5
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