SDA5523 Micronas Semiconductor, SDA5523 Datasheet - Page 151

• Manufacturer Part Number: SDA5523
• Description: SDA55xx TVText Pro
• Manufacturer: Micronas Semiconductor

DATA SHEET
Micronas
PMQFP
100-1
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
PMQFP
64-1
18
19
20
21
22
23
26
27
28
29
47
49
51
52
53
54
55
30
31
32
Pin No.
PSDIP
52-1
52-2
21
22
23
24
25
26
27
28
29
30
45
46
47
48
49
50
51
31
32
33
PLCC
84-1
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Pin Name
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
VSS
VDD 3.3
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P4.2
P4.3
RST
Sept. 10, 2004; 6251-556-3DS
Type
I/O
I/O
I/ O
I/ O
I/ O
I/ O
I/ O
I/ O
PS
PS
I/ O
I/ O
I/ O
I/ O
I/O
I/O
I/O
I/O
I/O
I/O
Connection
(If not used)
NC
Short Description
Port 3 is an 8-bit bidirec-
tional I/O port with internal
pull-up resistors.
Port 3 pins that have “1”
written to them are pulled
high by the internal pull-up
resistros.In that state the
pins can be used as inputs.
------------------
To use the alternated func-
tions of Port 3, the corre-
sponding output latch must
be programmed to a “1” for
that function to operate.
See Section on page 155.
Ground (0 V)
Input/Output (3.3 V)
Port 1 is a 8-bit bidirectional
multifunction I/O port with
internal pull-up resistors.
Port 1 pins that have “1”
written to them are pulled
high by the internal pull-up
resistors and in that state
can be used as inputs.
----------
Port 1 pins have a alter-
nated function.
See Section on page 155.
Port 4 is a bidirectional I/O
port with internal pull-up
resistors.
Port 4 pins that have 1 writ-
ten to them are pulled high
by the internal pull-up resis-
tors. In that state, the pins
can be used as inputs.
----------
Port 4 pins have a alter-
nated function.
See Section on page 155.
A low level on this pin resets
the device. An internal pull-
up resistor permits power-
on reset using only one
external capacitor con-
nected to V
Not connected.
SDA 55xx
SS
.
151