參數(shù)資料
型號(hào): M38K07M4L-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP64
封裝: 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù): 107/133頁
文件大?。?/td> 1359K
代理商: M38K07M4L-XXXHP
38K0 Group
Rev.3.00
Oct 05, 2006
page 75 of 129
REJ03B0192-0300
Fig. 107 Example of reset circuit
Fig. 108 Reset sequence
0 V
VCC
RESET
VCC
RESET
(Note)
0.2VCC
Poweron
Power
source
voltage
Reset input
voltage
Note : Reset release voltage ;
Vcc = 3.0 V (L version)
Power source
voltage detection
circuit
RESET
Internal
reset
Data
φ
Address
SYNC
XIN: 10.5 to 18.5 clock cycles
XIN
?
FFFCFFFD
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 state that depends on the previous state.
Reset address from the vector table.
Notes
RESET CIRCUIT
To reset the microcomputer, RESET pin should be held at an “L”
level for 16 cycles or more of XIN. Then the RESET pin is returned
to an “H” level (the power source voltage should be between 3.0 V
and 5.25 V for L version, and the oscillation should be stable), re-
set 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 in-
put voltage is under 0.6 V for VCC of 3.0 V (L version).
相關(guān)PDF資料
PDF描述
M38K09F8LHP 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP64
M38K09F8LFP 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP64
M38K07M4L-XXXFP 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP64
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