EM73PA88A
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
I/O PIN TYPE
TYPEI/O
TYPEI/O-L
Special function
control input
path B
path A
SEL
Input
data
mask option
Output
data
latch
Output
data
TYPE I/O
WAKEUP function
mask option
TYPEI/O-N
TYPEI/O-O
path B
Input
data
path A
Output
data
latch
TYPE I/O-N
Output
data
: mask option
Special function
output
: mask option
Path A : For set and clear bit of port instructions, data goes through path A from output data latch to CPU.
Path B : For input and test instructions, data from output pin go through path B to CPU and the output data latch
will be set to high.
* This specification are subject to be changed without notice.
10.8.2001
36
ELAN [ ELAN MICROELECTRONICS CORP ]
