EM73201
4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
TYPE OUTPUT-B
Input
data
Output
data
latch
Output
data
TYPE
OUTPUT
MUX
Special function
control output
I/O PIN TYPE
TYPE I/O_T
TYPE I/O-U
path B
path A
Input
data
Output
data
latch
TYPE I/O_T
Output
data
: mask option
TYPE I/O-V
TYPE I/O-W
path B
path A
Input
data
Special function
control input
path B
path A
SEL
Input data
Output
data
latch
Output
data
TYPE I/O_T
Output
data
latch
TYPE I/O_T
Output
data
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.
23
7.20.1999
ELAN [ ELAN MICROELECTRONICS CORP ]
