info.txt

这里用单片机实现简单音乐的

TERMINAL VOLTAGES
~~~~~~~~~~~~~~~~~

XTAL1          0.00V
XTAL2          0.00V

TERMINAL LOGIC STATES
~~~~~~~~~~~~~~~~~~~~~

$EA$           PHI
$PSEN$         SHI
ALE            SHI
GND            PLO
P0.0/AD0       FLT
P0.1/AD1       FLT
P0.2/AD2       FLT
P0.3/AD3       FLT
P0.4/AD4       FLT
P0.5/AD5       FLT
P0.6/AD6       FLT
P0.7/AD7       FLT
P1.0/T2        FLT
P1.1/T2EX      FLT
P1.2           FLT
P1.3           FLT
P1.4           FLT
P1.5           FLT
P1.6           FLT
P1.7           FLT
P2.0/A8        FLT
P2.1/A9        FLT
P2.2/A10       FLT
P2.3/A11       FLT
P2.4/A12       FLT
P2.5/A13       FLT
P2.6/A14       FLT
P2.7/A15       FLT
P3.0/RXD       FLT
P3.1/TXD       FLT
P3.2/$INT0$    FLT
P3.3/$INT1$    FLT
P3.4/T0        FLT
P3.5/T1        FLT
P3.6/$WR$      FLT
P3.7/$RD$      FLT
RST            PHI
VCC            PHI