參數(shù)資料
型號: MC68MH360ZQ25LR2
廠商: Freescale Semiconductor
文件頁數(shù): 27/158頁
文件大小: 0K
描述: IC MPU QUICC 25MHZ 357-PBGA
標準包裝: 180
系列: M683xx
處理器類型: M683xx 32-位
速度: 25MHz
電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 357-BBGA
供應商設備封裝: 357-PBGA(25x25)
包裝: 帶卷 (TR)
QMC Supplement
9.4 MSC Subchanneling Example
Figure 9-4 shows an example for eight 20-bit subchannels.
Figure 9-4. Example for Eight 2-Bit Subchannels
The example in Figure 9-4 uses two time slots to handle eight 2-bit subchannels. Time
slot 0 is subdivided into four 2-bit subchannels. Note that time slot 0 is processed four times
for the channels labeled 0A, 0B, 0C and 0D, each with different masks. It is only in the
fourth entry that the L-bit (last bit) is set, instructing the CPM to process the next time slot.
The same is true for time slot 31. It again is subdivided into four 2-bit subchannels. Note
that the maximum number of channels is 32 due to the 5-bit channel pointer.
Channel #0A
W
V
000011
00
0
Channel #0C
W
V
110000
00
0
Channel #0B
W
V
001100
00
0
Channel #31C
W
V
110000
00
0
Channel #31D
W
V
000000
11
1
Channel #31B
W
V
001100
00
0
Channel #31A
W
V
000011
00
0
Channel #0D
W
V
000000
11
1
Time Slot 0
Time Slot 31
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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