EM73P362
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
EM73P362 PORT DESCRIPTION :
Port
Input function
Output function
Note
0
E Input port , wake-up function ,
external interrupt input
1
2
3
4
--
--
--
--
--
I
E
High speed counter register
Output port, P4.0/TONE
low nibble
high nibble
E Input port ,
Resistor to frequency oscillation
--
E Input port
E Input port
5
6
7
I
High speed counter register
Output port , LCD segment pin
Output port , LCD segment pin
Output port , LCD segment pin
E
E
E
8
E Input 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
P15.1 ( low battery detector status )
I
I
I
I
I
P15.1 ( low battery detector control )
Stop mode control register
HTC control register
HTC control register
Idle mode control register
--
WDT control register
--
I
--
--
I
Timebase control register
--
LCD control register
Timer A control register
--
--
--
I
I
* This specification are subject to be changed without notice.
30
11.1.2001
ELAN [ ELAN MICROELECTRONICS CORP ]
