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Número de pieza
componentes Descripción
OM5232 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
OM5232
CMOS single-chip 8-bit microcontroller
Philips Electronics
OM5232 Datasheet PDF : 11 Pages
1
2
3
4
5
6
7
8
9
10
Philips Semiconductors
CMOS single-chip 8-bit microcontroller
Product specification
OM5232
QFP PIN FUNCTIONS
44
34
1
33
QFP
(SOT307–2)
11
23
12
22
Pin Function
1 P1.5
2 P1.6
3 P1.7
4 RST
5 P3.0/RxD
6
V
SS4
7 P3.1/TxD
8 P3.2/INT0
9 P3.3/INT1
10 P3.4/T0
11 P3.5/T1
12 P3.6/WR
Pin Function
16
V
SS1
17 NC
18 P2.0/A8
19 P2.1/A9
20 P2.2/A10
21 P2.3/A11
22 P2.4/A12
23 P2.5/A13
24 P2.6/A14
25 P2.7/A15
26 PSEN
27 ALE
Pin Function
31 P0.6/AD6
32 P0.5/AD5
33 P0.4/AD4
34 P0.3/AD3
35 P0.2/AD2
36 P0.1/AD1
37 P0.0/AD0
38
V
DD
39
V
SS3
40 P1.0
41 P1.1
42 P1.2
13 P3.7/RD
14 XTAL2
15 XTAL1
28
V
SS2
29
EA/V
PP
30 P0.7/AD7
43 P1.3
44 P1.4
NOTE:
1. Due to EMC improvements, all V
SS
pins (6, 16, 28, 39) must be
connected to V
SS
.
BLOCK DIAGRAM
FREQUENCY
REFERENCE
XTAL2 XTAL1
LOGIC SYMBOL
V
DD
V
SS
RST
XTAL1
XTAL2
EA
PSEN
ALE
RxD
TxD
INT0
INT1
T0
T1
WR
RD
COUNTERS
T0
T1
OSCILLATOR
AND
TIMING
PROGRAM
MEMORY
(8K x 8 ROM)
DATA
MEMORY
(256 x 8 RAM)
TWO 16-BIT
TIMER/EVENT
COUNTERS
CPU
INTERNAL
INTERRUPTS
64K BYTE BUS
EXPANSION
CONTRTOL
PROGRAMMABLE I/O
PROG SERIAL PORT
FULL DUPLEX UART
SYNCHRONOUS SHIFT
INT0
INT1
EXTERNAL
INTERRUPTS
December 1994
CONTROL
PARALLEL PORTS,
ADDRESS/DATA BUS
AND I/O PINS
SERIAL IN SERIAL OUT
SHARED WITH
PORT 3
2
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