參數(shù)資料
型號: MC68CK338CPV14
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 14.4 MHz, MICROCONTROLLER, PQFP144
封裝: PLASTIC, TQFP-144
文件頁數(shù): 116/133頁
文件大?。?/td> 944K
代理商: MC68CK338CPV14
MC68CK338
MOTOROLA
MC68CK338TS/D
83
Figure 18 Time Base Bus Configuration
As shown in Figure 18, each CTM submodule can access one of two global time base buses. TBB1
and TBB4 are collectively referred to as global time base bus TBBA. Likewise, TBB2 and TBB3 are col-
lectively referred to as global time base bus TBBB. Table 46 shows which time base buses are available
for each CTM6 submodule.
Time base buses are used to transfer timing information from counters to action submodules. Each
CTM6 submodule can either be a clock source module (and drive one or two of the time base buses)
or an action submodule (and read and react to the timing information on the time base buses).
Table 46 CTM6 Time Base Bus Allocation
Global/Local Time Base
Bus Allocation
Global/Local Time Base
Bus Allocation
Submodule
Global Bus A
Global Bus B
Submodule
Global Bus A
Global Bus B
MCSM2
TBB4
TBB3
SASM18
TBB1
TBB2
FCSM3
TBB4
TBB3
SASM24
TBB1
TBB2
DASM4 – 10
TBB4
TBB3
DASM26 – 29
TBB1
TBB2
SASM12 – 14
TBB4
TBB3
MCSM30 – 31
TBB1
TBB2
SUBMODULE M
BUS INTERFACE UNIT SUBMODULE (BIUSM)
INTERMODULE BUS (IMB)
TIME
BASE
BUS
1
(TBB1)
TIME BASE BUS A (TBBA)
TIME
BASE
BUS
3
(TBB3)
TIME
BASE
BUS
4
(TBB4)
SUBMODULE
BUS
(SMB)
SUBMODULE N
SUBMODULE M+1
SUBMODULE M-1
SUBMODULE 1
SUBMODULE 2
TIME BASE BUS B (TBBB)
TIME
BASE
BUS
2
(TBB2)
CTM TBB BLOCK
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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