參數(shù)資料
型號: MC68SEC000CAA20
廠商: Freescale Semiconductor
文件頁數(shù): 3/8頁
文件大?。?/td> 0K
描述: IC MPU 32BIT 20MHZ 64-QFP
標準包裝: 84
系列: M680x0
處理器類型: M680x0 32-位
速度: 20MHz
電壓: 3.3V,5V
安裝類型: 表面貼裝
封裝/外殼: 64-QFP
供應商設備封裝: 64-QFP(14x14)
包裝: 托盤
MOTOROLA
MC68SEC000 PRODUCT INFORMATION
3
OVERVIEW
Figure 1 is a block diagram of the MC68SEC000 embedded processor. This processor provides a 24-bit
address bus and a statically selectable 8- or 16-bit data bus, sixteen 32-bit registers, and seven interrupt
levels.
Figure 1. Block Diagram of MC68SEC000
HARDWARE/SOFTWARE COMPATIBILITY
The MC68SEC000 embedded processor is hardware compatible with the MC68EC000, object-code
compatible with the MC68EC000, and upward compatible with all members of the M68000 Family. Object-
code compatibility with the M68000 enables code written for the MC68SEC000 to be migrated without
modification to any member of the M68000 Family.
LOW-POWER MODE
The MC68SEC000 provides static low-power operation. While in low-power mode, power consumption is
reduced to its quiescent value while maintaining the internal state of the processor. The recommended
method for placing the MC68SEC000 into low-power mode is described in
Addendum to M68000 8-/16-/32-
Bit Microprocessor Users Manual, M68000 UMAD/AD.
SIGNAL DESCRIPTION
Figure 2 shows the functional signal groups for the MC68SEC000. These groups are briefly described in
the following paragraphs.
PREFETCH/
DECODE
EXECUTION
UNIT
BUS
CONTROLLER
24-BIT ADDRESS BUS
16-BIT DATA BUS
CONTROL
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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