参数资料
型号: MC68HC05T16B
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP56
封装: PLASTIC, SDIP-56
文件页数: 56/128页
文件大小: 734K
代理商: MC68HC05T16B
MC68HC05T16
MOTOROLA
4-3
RESETS AND INTERRUPTS
4
Figure 4-1 Power-On Reset and RESET Timing
VDD
EXTAL 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. EXTAL 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
31
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