80C186EB/80C188EB, 80L186EB/80L188EB
Table 2. Pin Description Nomenclature
Description
Symbol
a
Ground (Connect to V
P
Power Pin (Apply
V Voltage)
CC
)
SS
G
I
Input Only Pin
Output Only Pin
Input/Output Pin
O
I/O
S(E)
S(L)
A(E)
A(L)
Synchronous, Edge Sensitive
Synchronous, Level Sensitive
Asynchronous, Edge Sensitive
Asynchronous, Level Sensitive
H(1)
H(0)
H(Z)
H(Q)
H(X)
Output Driven to V during Bus Hold
CC
Output Driven to V during Bus Hold
SS
Output Floats during Bus Hold
Output Remains Active during Bus Hold
Output Retains Current State during Bus Hold
R(WH)
R(1)
R(0)
Output Weakly Held at V during Reset
CC
Output Driven to V during Reset
CC
Output Driven to V during Reset
SS
Output Floats during Reset
R(Z)
R(Q)
R(X)
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 during Idle Mode
CC
Output Driven to V during Idle Mode
SS
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 during Powerdown Mode
CC
Output Driven to V during Powerdown Mode
SS
Output Floats during Powerdown Mode
Output Remains Active during Powerdown Mode
Output Retains Current State during Powerdown Mode
9
9