參數(shù)資料
型號: M34507M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO24
封裝: 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數(shù): 51/117頁
文件大?。?/td> 937K
代理商: M34507M4-XXXFP
4507 Group
Rev.3.01
2005.02.04
page 37 of 111
REJ03B0107-0301
Fig. 35 Structure of reset pin and its peripherals, and power-on reset operation
Name
D0, D1, D4, D5
D2/C, D3/K
P00, P01, P02, P03
P10, P11, P12/CNTR, P13/INT
P20/AIN0, P21/AIN1
P30/AIN2, P31/AIN3
Notes 1: Output latch is set to “1.”
2: Pull-up transistor is turned OFF.
Function
D0, D1, D4, D5
D2, D3
P00–P03
P10–P13
P20, P21
P30, P31
State
High-impedance (Note 1)
High-impedance (Notes 1, 2)
High-impedance (Note 1)
(1) Power-on reset
Reset can be performed automatically at power on (power-on re-
set) by connecting a diode and a capacitor to RESET pin. Connect
RESET pin and the external circuit at the shortest distance.
Table 14 Port state at reset
VDD
WEF
VDD
Watchdog timer
output
Internal reset
signal
Power-on
Reset released
Internal reset signal
Reset
state
This symbol represents a parasitic diode.
2: Applied potential to RESET pin must be VDD or less.
(Note 1)
(Note 2)
Pull-up transistor
RESET
pin
RESET
pin voltage
Notes 1:
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