参数资料
型号: ST72621K4B1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, LEAD FREE, SHRINK, PLASTIC, DIP-32
文件页数: 55/139页
文件大小: 1264K
代理商: ST72621K4B1
ST7262xxx
22/139
Doc ID 6996 Rev 5
Figure 16. Low Voltage Reset Signal Output
Note: Typical hysteresis (VIT+-VIT-) of 250 mV is expected.
Figure 17. Temporization Timing Diagram after an internal Reset
Figure 18. Reset Timing Diagram
Note: Refer to Electrical Characteristics for values of tDDR, tOXOV, VIT+ and VIT-.
RESET
VDD
VIT+
VIT-
VDD
Addresses
$FFFE
Temporization
VIT+
(514 CPU clock cycles)
VDD
OSCIN
fCPU
FFFF
FFFE
PC
RESET
tDDR
tOXOV
514 CPU
CLOCK
CYCLES
DELAY
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