参数资料
型号: ST72T671N4B1XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP56
封装: 0.600 INCH, SHRINK, PLASTIC, DIP-56
文件页数: 10/101页
文件大小: 608K
代理商: ST72T671N4B1XXX
16/101
ST72671
RESET (Cont’d)
Table 5. List of sections affected by RESET, WAIT and HALT (Refer to 3.6 for Wait and Halt Modes)
Figure 10. Reset Timing Diagram
Note: Refer to Electrical Characteristics for values of tDDR and tOXOV
Section
RESET
WAIT
HALT
CPU clock running at 4 MHz
X
Timer Prescaler reset to zero
X
Timer Counter set to FFFCh
X
All Timer enable bits set to 0 (disabled)
X
Data Direction Registers set to 0 (as Inputs)
X
Set Stack Pointer to 01FFh
X
Force Internal Address Bus to restart vector FFFEh, FFFFh
X
Set Interrupt Mask Bit (I-Bit, CC) to 1 (Interrupt disable)
X
Set Interrupt Mask Bit (I-Bit, CC) to 0 (Interrupt enable)
X
Reset HALT latch
X
Reset WAIT latch
X
Disable Oscillator (for 4096 cycles)
X
Set Timer Clock to 0
X
Watchdog counter reset
X
Watchdog register reset
X
Port data registers reset
X
Other on-chip peripherals: registers reset
X
VDD
OSCIN
fCPU
FFFF
FFFE
PC
RESET
WATCHDOG RESET
tDDR
tOXOV
4096 CPU
CLOCK
CYCLES
DELAY
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