參數(shù)資料
型號(hào): 272420-007
廠商: Intel Corp.
英文描述: Intel386 EX Embedded Microprocessor
中文描述: 英特爾386防爆嵌入式微處理器
文件頁(yè)數(shù): 12/56頁(yè)
文件大?。?/td> 766K
代理商: 272420-007
Intel386 EX Embedded Microprocessor
12
Datasheet
3.0
Pin Description
Table 4 lists the Intel386 EX embedded processor pin descriptions. Table 3 defines the
abbreviations used in the Type and Output States columns of Table 4.
Table 3. Pin Type and Output State Nomenclature
Symbol
Description
Pin Type
#
I
O
I/O
I/OD
ST
P
G
The named signal is active low.
Standard TTL input signal.
Standard CMOS output signal.
Input and output signal.
Input and open-drain output signal.
Schmitt-triggered input signal.
Power pin.
Ground pin.
Output State
H(1)
H(0)
H(Z)
H(Q)
H(X)
Output driven to V
CC
during Bus Hold
Output driven to V
during Bus Hold
Output floats during Bus Hold
Output remains active during Bus Hold
Output retains current state during Bus Hold
R(WH)
R(WL)
R(1)
R(0)
R(Z)
R(Q)
R(X)
Output Weakly Held at V
CC
during Reset
Output Weakly Held at V
during Reset
Output driven to V
CC
during Reset
Output driven to V
during Reset
Output floats during Reset
Output remains active during Reset
Output retains current state during Reset
I(1)
I(0)
I(Z)
I(Q)
I(X)
Output driven to V
CC
during Idle Mode
Output driven to V
during Idle Mode
Output floats during Idle Mode
Output remains active during Idle Mode
Output retains current state during Idle Mode
P(1)
P(0)
P(Z)
P(Q)
P(X)
Output driven to V
CC
during Powerdown Mode
Output driven to V
during Powerdown Mode
Output floats during Powerdown Mode
Output remains active during Powerdown Mode
Output retains current state during Powerdown Mode
The idle mode output states assume that no internal bus master (DMA or RCU) has control of the bus
during idle mode
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