參數(shù)資料
型號: MC56F8157
廠商: Electronic Theatre Controls, Inc.
英文描述: 16-BIT HYBRID CONTROLLERS
中文描述: 16位混合控制器
文件頁數(shù): 10/172頁
文件大?。?/td> 2444K
代理商: MC56F8157
56F8357 Technical Data, Rev. 8.0
10
Freescale Semiconductor
Preliminary
1.4 Architecture Block Diagram
Note:
Features in italics are NOT available in the 56F8157 device and are shaded in the following figures.
The 56F8357/56F8157 architecture is shown in
Figure 1-1
and
Figure 1-2
.
Figure 1-1
illustrates how the
56800E system buses communicate with internal memories, the external memory interface and the IPBus
Bridge.
Table 1-2
lists the internal buses in the 56800E architecture and provides a brief description of
their function.
Figure 1-2
shows the peripherals and control blocks connected to the IPBus Bridge. The
figures do not show the on-board regulator and power and ground signals. They also do not show the
multiplexing between peripherals or the dedicated GPIOs. Please see
Part 2, Signal/Connection
Descriptions,
to see which signals are multiplexed with those of other peripherals.
Also shown in
Figure 1-2
are connections between the PWM, Timer C and ADC blocks. These
connections allow the PWM and/or Timer C to control the timing of the start of ADC conversions. The
Timer C channel indicated can generate periodic start (SYNC) signals to the ADC to start its conversions.
In another operating mode, the PWM load interrupt (SYNC output) signal is routed internally to the Timer
C input channel as indicated. The timer can then be used to introduce a controllable delay before
generating its output signal. The timer output then triggers the ADC. To fully understand this interaction,
please see the
56F8300 Peripheral User Manual
for clarification on the operation of all three of these
peripherals.
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