參數(shù)資料
型號(hào): M34518M2-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù): 95/157頁
文件大?。?/td> 1783K
代理商: M34518M2-XXXFP
ML610Q411/ML610Q412/ML610Q415 User’s Manual
Chapter 3
Reset Function
3 – 1
3.
Reset Function
3.1
Overview
This LSI has the five reset functions shown below. If any of the five reset conditions is satisfied, this LSI enters system
reset mode.
Reset by the RESET_N pin
Reset by power-on detection
Reset by the low-speed oscillation stop detection (Not available on ML610Q415)
Reset by the 2nd watchdog timer (WDT) overflow
Software reset by execution of the BRK instruction
3.1.1
Features
The RESER_N pin has an internal pull-up resistor
The low-speeed oscillation stop deteciton time is typ. 3 ms (Not available on ML610Q415)
250 ms, 1 sec, 4 sec, or 16 sec can be selected as the watchdog timer (WDT) overflow period
Built-in reset status register (RSTAT) indicating the reset generation causes
Only the CPU is reset by the BRK instruction (neither the RAM area nor the SFR area are reset).
3.1.2
Configuration
Figure 3-1 shows the configuration of the reset generation circuit.
RSTAT:Reset status register
Figure 3-1
Configuration of Reset Generation Circuit
3.1.3
List of Pin
Pin name
I/O
Description
RESET_N
I
Reset input pin
Power-on reset
Low-speed Oscillation
stop detect reset
i ML610Q411/Q412j
RESET_N
Reset signal
VDD
WDT reset
RSTAT
Data bus
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