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| 型號： | MC68EC000CAA20 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 25/26頁 |
| 文件大小： | 0K |
| 描述： | IC MPU 32BIT 20MHZ 64-QFP |
| 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝： | 64-QFP（14x14） |
| 包裝： | 托盤 |
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8
M68000 USER’S MANUAL ADDENDUM
MOTOROLA
An example trap routine is as follows:
TRAP_x
MOVE.B #0,$low_power_address
/* Write that causes ADDRESS_MATCH to assert */
STOP #$2000
/* STOP instruction with desired interrupt mask */
RTE
/* Return from the exception */
The first instruction (MOVE.B #0,$low_power_address) writes a byte to the low-power address that will
cause the external circuitry to begin the sequence that will stop the processor’s clock. The second
instruction (STOP #$2000) loads the SR with the immediate data. This lets you set the interrupt that will
cause the processor to come out of the low-power mode. The final instruction (RTE) tells the processor to
return from the exception and resume normal processing.
3.0 MC68SEC000 ELECTRICAL SPECIFICATIONS
Add to the following table to Section 10.1.
3.1 MC68SEC000 MAXIMUM RATINGS
3.2 CMOS CONSIDERATIONS
The following change should be made to Section 10.4, CMOS Considerations.
“Although the MC68HC000 and MC68EC000 is implemented with input protection diodes, care should be
exercised to ensure that the maximum input voltage specification is not exceeded.” should read “Although
the MC68HC000, MC68EC000, and MC68SEC000 are implemented with input protection diodes, be
careful not to exceed the maximum input voltage specification.”
RATING
SYMBOL
VALUE
UNIT
Supply Voltage
VCC
–0.3 to 6.5
V
Input Voltage
Vin
–0.5 to 6.5
V
Maximum Operating
Temperature Range
Commercial Extended "C" Grade
TA
TL to TH
0 to 70
–40 to 85
°C
Storage Temperature
Tstg
–55 to 150
°C
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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| MC68EC000CFU10 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
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| MC68EC000D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Addendum to M68000 User Manual |
| MC68EC000E116 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
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