參數(shù)資料
型號: M38004E8SP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP64
封裝: 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件頁數(shù): 124/174頁
文件大小: 1752K
代理商: M38004E8SP
2-4
3800 GROUP USER’S MANUAL
APPLICATION
2.1 I/O port
P30, P31
P4, P5, P6, P7
ONW
RESETOUT
φ
SYNC
XOUT
Set to the input mode and connect to VCC or VSS
through a
resistor of 1 k
to 10 k
.
Set to the output mode and open at “L” or “H.”
Open (only when using external clock).
Handling
2.1.3 Handling of unused pins
Table 2.1.1 Handling of unused pins (in single-chip mode)
Name of Pins/Ports
P0, P1, P2, P3, P4, P5, P6, P7
XOUT
Name of Pins/Ports
Handling
Table 2.1.2 Handling of unused pins (in memory expansion mode and microprocessor mode)
Open
Set to the input mode and connect to VCC or VSS through a
resistor of 1 k
to 10 k
.
Set to the output mode and open at “L” or “H.”
Connect to VCC through a resistor of 1 k
to 10 k
.
Open
Open (only when using external clock).
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