EM73P461A
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
TYPE I/O-R
TYPE I/O-S
Special function
control input
path B
path A
Input
data
path B
path A
SEL
Input
data
Output
data
latch
Output
data
latch
TYPE I/O-Q
Output
data
Output
data
TYPE I/O-N
Special function
output
WAKEUP function
mask option
: 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.
12.27.2001
29
ELAN [ ELAN MICROELECTRONICS CORP ]
