參數(shù)資料
型號: MC68HC705F8FU
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 1.8 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 57/126頁
文件大?。?/td> 736K
代理商: MC68HC705F8FU
MOTOROLA
4-4
MC68HC05F8
RESETS
4
Figure 4-1 Power-On Reset and RESET Timing
VDD
OSC1 PIN1
INTERNAL
CLOCK2
INTERNAL
ADDRESS
BUS2
INTERNAL
DATA
BUS2
RESET
FFFE
FFFF
NEW PC
FFFE
FFFF
tVDDR
VDD THRESHOLD (TYPICALLY 1-2V)
4064 tcyc
toxov
tcyc
3
NEW
PCH
NEW
PCL
OP
CODE
tRL=1.5tcyc
PCH
PCL
OP
CODE
NEW PC
NOTES:
1. OSC1 is not meant to represent frequency. It is only used to represent time.
2. Internal clock, internal address bus, and internal data bus signals are not available externally.
3. Next rising edge of internal clock after rising edge of RESET initiates reset sequence.
TPG
34
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