MC68360RC25K Freescale Semiconductor, MC68360RC25K Datasheet - Page 392
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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Serial Interface with Time Slot Assigner
Once the connections are made, the exact routing decisions are made in the SI RAM, as
described in the following paragraphs.
7.8.4 SI RAM
The SI has two 64
SCCs and SMCs. The RAMs are uninitialized after power-on. For proper operation, the host
should program the RAMs before enabling the multiplexed channels, or undesired results
may occur.
The RAM consists of 16-bit entries that are used to define the routing control. Each entry
can control from 1 to 16 bits or from 1 to 16 bytes at a time as determined in the entry. In
addition to the routing, up to four strobe pins may be asserted according to the programming
of the RAM. The strobes are active high.
The two SI RAMs can be configured in four different ways to support various TDM channels.
The four possible cases are discussed in the following paragraphs.
7-68
NOTES:
SCC 1
SCC 2
SCC 3
SCC 4
SMC 1
SMC 2
1. The ENx bits are located in SIGMR.
2. The SCx bits are located in SICR.
3. The SMCx bits are located in SIMODE.
4. The clocking paths are not shown for the nonmultiplexed I/F (see Figure 7-35 for more details).
Figure 7-22. Enabling Connections Through the SI
16 static RAMs used to control the routing of the TDM channels to the
SI RAM
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68360 USER’S MANUAL
Go to: www.freescale.com
CONTROL LOGIC
TIME SLOT
ASSIGNER
EN
EN
SC1=0
SC2=0
SMC2=0
SC3=0
SC4=0
SMC1=0
ENa = 1 TO ENABLE
ENb = 1 TO ENABLE
SCC3 PINS
SCC4 PINS
SCC1 PINS
SCC2 PINS
SMC1 PINS
SMC2 PINS
TDMa PINS
TDMb PINS
MULTIPLEXED
NONMULTIPLEXED
I/F
I/F
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