参数资料
型号: MC68HC705E5DW
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封装: SOIC-28
文件页数: 44/148页
文件大小: 620K
代理商: MC68HC705E5DW
NON-DISCLOSURE
AGREEMENT
REQUIRED
Electrical Specications
General Release Specification
MC68HC705E5 Rev. 1.0
138
Electrical Specifications
MOTOROLA
15.7 Control Timing
Figure 15-3. External Interrupt Mode Diagram
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation
Crystal Option
External Clock Option
fOSC
dc
32.768
4.2
kHz
MHz
Internal Operating Frequency
Crystal (f
OSC ÷ 2)
External Clock (f
OSC ÷ 2)
fOP
dc
16.384
2.1
kHz
MHz
Cycle Time
tcyc
480
ns
EPROM Byte Programming Time
tEPGM
—10
ms
RESET Pulse Width
tRL
1.5
tcyc
Interrupt Pulse Width Low (Edge-Triggered)
tILIH
125
ns
Interrupt Pulse Period
tILIL
see Note 2
tcyc
OSC1 Pulse Width
tOH,tOL
90
ns
PLL Startup Stabilization Time
tPLLS
50
ms
NOTES:
1. VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = 0
oC to +70 oC, unless otherwise noted
2. The minimum period, t
ILI, should not be less than the number of cycle times it takes to execute the
interrupt service routine plus 19 tcyc.
IRQ
tILIH
IRQ1
IRQn
IRQ
(MCU)
NORMALLY USED
WITH WIRE-ORed
CONNECTION
.
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