AS2590N austriamicrosystems AG, AS2590N Datasheet - Page 3

• Manufacturer Part Number: AS2590N
• Description: LC DISPLAY DRIVER WITH 18 DIGITS/ 6 SYMBOLS AND CLOCK/TIMER
• Manufacturer: austriamicrosystems AG

Data Sheet
Pin Description Continued
LCD Layout
SB0 = loudspeaker on (blinking with 1 Hz)
SB1 = microphone muted (blinking with 1 Hz)
SB2 = 2nd key function enabled
SB3 = number stored
SB4 = number buffered in FIFO, not stored
SB5 = colon for clock and timer (blinking when clock is
Rev. 1
DIL
42
43
44
45
46
47
48
shown)
PLCC
45
47
48
49
50
51
52
D
0
E
F
SB3
Figure 2
D
1
G
A
D
Symbol
D
XTAL1
XTAL2
2
SDA
V
SCL
MS
V
BIAS
DD
B
C
D
3
SB1
D
4
D
5
Function
Serial data line input to dialler/controller
Clock line input of serial data link
Oscillator bias input, recommended bias resistor 2.2 M
Oscillator pins for 32.768 kHz crystal, a resistor and two capacitors
Mode select input:
Positive supply pin
SB0
D
6
D
7
Figure 1
D
8
3
SB2
D
9
Digit Description
P/T
0
1
2
3
4
5
6
7
8
9
a
b
d
_
#
c
*
-
r
10
MS = V
MS = V
D
underscore
11
D
temp. MF
numbers
Letter D
asterisk
letter C
letter A
letter B
pause
recall
0…9
hash
SS
DD
12
SB4
D
› clock/timer disabled
› clock/timer enabled
Table 1 Segments Digits
13
D
14
D
on on on on on on
on on
on on on on
on
on
on on on
on on on on on on on
on on on
on
on
A
SB5
15
on on
on on
on on on on
on on
D
B
16
D
on on
on on on on on
on on on
on on on on on
on on on
C
Segment
17
D
on on
on on
on
on
D
on on
on
E
AS2590
on on
on on
on on
F
Dec. 1993
on
on
on
on
on
on
on
on
on
G