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OM5232 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. OM5232
Description  CMOS single-chip 8-bit microcontroller
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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OM5232 Datasheet(HTML) 4 Page - NXP Semiconductors

 
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Philips Semiconductors
Product specification
OM5232
CMOS single-chip 8-bit microcontroller
December 1994
4
Table 1.
OM5232 Special Function Registers
SYMBOL
DESCRIPTION
DIRECT
ADDRESS
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
MSB
LSB
RESET
VALUE
ACC*
Accumulator
E0H
E7
E6
E5
E4
E3
E2
E1
E0
00H
B*
B Register
F0H
F7
F6
F5
F4
F3
F2
F1
F0
00H
DPTR:
DPH
DPL
Data Pointer
(2 bytes)
Data Pointer High
Data Pointer Low
83H
82H
00H
00H
AF
AE
AD
AC
AB
AA
A9
A8
IE*#
Interrupt Enable
A8H
EA
ES1
ES0
ET1
EX1
ET0
EX0
0x000000B
BF
BE
BD
BC
BB
BA
B9
B8
IP*#
Interrupt Priority
B8H
PS1
PS0
PT1
PX1
PT0
PX0
xx000000B
87
86
85
84
83
82
81
80
P0*
Port 0
80H
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
FFH
97
96
95
94
93
92
91
90
P1*#
Port 1
90H
SDA
SCL
FFH
A7
A6
A5
A4
A3
A2
A1
A0
P2*
Port 2
A0H
A15
A14
A13
A12
A11
A10
A9
A8
FFH
B7
B6
B5
B4
B3
B2
B1
B0
P3*
Port 3
B0H
RD
WR
T1
T0
INT1
INT0
TXD
RXD
FFH
PCON
Power Control
87H
SMOD
GF1
GF0
PD
IDL
0xxx0000B
9F
9E
9D
9C
9B
9A
99
98
S0CON*#
Serial 0 Port Control
98H
SM0
SM1
SM2
REN
TB8
RB8
TI
RI
00H
S0BUF#
Serial 0 Data Buffer
99H
xxxxxxxxB
D7
D6
D5
D4
D3
D2
D1
D0
PSW*
Program Status Word
D0H
CY
AC
F0
RS1
RS0
OV
F1
P
00H
reserved (Note 1)
DAH
00H
SP
Stack Pointer
81H
07H
reserved (Note 1)
DBH
00H
reserved (Note 1)
D9H
F8H
reserved (Note 1)
D8H
00000000B
8F
8E
8D
8C
8B
8A
89
88
TCON*
Timer Control
88H
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
00H
TH1
Timer High 1
8DH
00H
TH0
Timer High 0
8CH
00H
TL1
Timer Low 1
8BH
00H
TL0
Timer Low 0
8AH
00H
TMOD
Timer Mode
89H
GATE
C/T
M1
M0
GATE
C/T
M1
M0
00H
*
SFRs are bit addressable.
#
SFRs are modified from or added to the 80C51 SFRs.
NOTE
1. Reserved for I2C; not supported in OM5232


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