OM5232 Ver la hoja de datos (PDF) - Philips Electronics
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OM5232 Datasheet PDF : 11 Pages
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Philips Semiconductors
CMOS single-chip 8-bit microcontroller
Product specification
OM5232
Table 1. OM5232 Special Function Registers
SYMBOL DESCRIPTION
ACC*
Accumulator
DIRECT
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
ADDRESS MSB
LSB
E0H
E7
E6
E5
E4
E3
E2
E1
E0
RESET
VALUE
00H
B*
B Register
F0H
F7
F6
F5
F4
F3
F2
F1
F0 00H
DPTR: Data Pointer
(2 bytes)
DPH
Data Pointer High
83H
00H
DPL
Data Pointer Low
82H
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)
TCON*
TH1
TH0
TL1
TL0
TMOD
Timer Control
Timer High 1
Timer High 0
Timer Low 1
Timer Low 0
Timer Mode
D8H
00000000B
8F
8E
8D
8C
8B
8A
89
88
88H
TF1 TR1 TF0
TR0
IE1
IT1
IE0
IT0 00H
8DH
00H
8CH
00H
8BH
00H
8AH
00H
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
December 1994
4
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