EM73P461A
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
EM73P461A I/O PORT DESCRIPTION :
Port
0
1
2
3
4
5
6
7
Input function
Input port , wakeup function
--
--
Output function
Note
E
E
E
--
--
--
--
Input port
--
--
--
E
E
Output port, P4.0/SOUND
--
--
--
8
Input port, wakeup function,
Output port
9
--
--
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
--
--
--
--
I
I
High speed timer/counter
High speed timer/counter
--
--
Clear P14.0 to 0
--
STOP mode control register
--
lownibble
highnibble
I
CPU status
--
I
I
--
I
I
I
IDLE mode control register
--
--
Slow mode control register
--
--
Timebase control register
--
LCD control register
Timer/counter A control register
Timer/counter B control register
--
I
I
I
I
HTC control register
* This specification are subject to be changed without notice.
12.27.2001
26
ELAN [ ELAN MICROELECTRONICS CORP ]
