參數(shù)資料
型號(hào): M38851M3-XXXHP
廠商: Renesas Technology Corp.
英文描述: Dual 2.7-V High Slew Rate Rail-To-Rail Output Operational Amplifier 8-SOIC 0 to 70
中文描述: 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù): 69/103頁(yè)
文件大?。?/td> 1580K
代理商: M38851M3-XXXHP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
67
RESET CIRCUIT
____________
To reset the microcomputer, RESET pin should be held at an “L”
level for 16 XIN cycle or more. (When the power source voltage
should be between 3.3V ± 0.3V and the oscillation should be
____________
stable.) Then the RESET pin set to “H”, the reset state is released.
After the reset is completed, the program starts from the address
contained in address FFFD16 (high-order byte) and address
FFFC16 (low-order byte). Make sure that the reset input voltage is
less than 0.6 V for VCC of 3.0 V.
Fig. 66 Reset sequence
Fig. 65 Reset circuit example
RESET
Internal
reset
Data
φ
Address
SYNC
XIN: 10.5 to 18.5 clock cycles
XIN
?
FFFC
FFFD
ADH,L
?
ADL
ADH
1: The frequency relation of f(XIN) and f(
φ) is f(XIN)=8 f(φ).
2: The question marks (?) indicate an undefined data that depends on the previous state.
Reset address from the vector table.
Notes
(Note)
0V
Poweron
VCC
RESET
VCC
RESET
Power source
voltage detection
circuit
Power source
voltage
Reset input
voltage
Note : Reset release voltage ; Vcc=3.0 V
相關(guān)PDF資料
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