參數(shù)資料
型號： M38030F8L-XXXSP
廠商： Renesas Technology Corp.
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁數(shù)： 37/119頁
文件大?。?/td> 1575K
代理商： M38030F8L-XXXSP
Rev.1.00
Apr 2, 2007
Page 24 of 117
REJ03B0212-0100
3803 Group (Spec.L)
Termination of unused pins
Termination of common pins
I/O ports:
Select an input port or an output port and follow
each processing method.
In addition, it is recommended that related
registers be overwritten periodically to prevent
malfunctions, etc.
Output ports: Open.
Input ports:
If the input level become unstable, through current
flow to an input circuit, and the power supply
current may increase.
Especially, when expecting low consumption
current (at STP or WIT instruction execution etc.),
pull-up or pull-down input ports to prevent
through current (builtin resistor can be used).
We recommend processing unused pins through a
resistor which can secure IOH(avg) or IOL(avg).
Because, when an I/O port or a pin which have an
output function is selected as an input port, it may
operate as an output port by incorrect operation
etc.
Table 7
Termination of unused pins
Pins
Termination
P0, P1, P2, P3, P4, P5, P6
Set to the input mode and connect each to VCC or VSS through a resistor of 1 k
to 10 k.
Set to the output mode and open at “L” or “H” output state.
VREF
Connect to VCC or VSS (GND).
AVSS
Connect to VCC or VSS (GND).
XOUT
Open (only when using external clock)
相關(guān)PDF資料
PDF描述
M38030F8L-XXXWG SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M381-L-109-5121LF 9 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SOLDER
M381-L-109-5221LF 9 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SOLDER
M381-L-110-5121LF 10 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SOLDER
M381-L-110-5221LF 10 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SOLDER
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