P89LV51RD2 Philips Semiconductors, P89LV51RD2 Datasheet - Page 12

• Manufacturer Part Number: P89LV51RD2
• Description: 8-bit 80C51 3 V low power 64 kB Flash microcontroller with 1 kB RAM
• Manufacturer: Philips Semiconductors

Table 4:
* indicates SFRs that are bit addressable.
Name
FST
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
FCF
P0*
P1*
P2*
P3*
PCON
PSW*
RCAP2H
RCAP2L
SCON*
SBUF
Special function registers
Description
Flash Status Register
Interrupt Enable 0
Interrupt Enable 1
Interrupt Priority
Interrupt Priority 0 HIGH
Interrupt Priority 1
Interrupt Priority 1 HIGH
Port 0
Port 1
Port 2
Port 3
Power Control Register
Program Status Word
Timer2 Capture HIGH
Timer2 Capture LOW
Serial Port Control
Serial Port Data Buffer Register
…continued
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
SFR
addr.
CBH
CAH
A8H
E8H
B8H
B7H
B1H
A0H
B0H
D0H
F8H
F7H
80H
90H
87H
98H
99H
B6
SM0/FE_
SPICLK
SMOD1
CEX4/
MSB
AD7
A15
AF
EA
BF
RD
CY
EF
FF
A7
B7
D7
9F
87
97
-
-
-
-
-
-
-
SMOD0
CEX3/
PPCH
MISO
PPC
AD6
SM1
A14
WR
AE
EC
BE
SB
EE
FE
A6
B6
D6
AC
9E
86
96
-
-
-
-
CEX2/
PT2H
MOSI
BOF
SM2
ET2
PT2
AD5
A13
AD
ED
BD
FD
85
95
A5
B5
T1
D5
F0
9D
-
-
-
-
-
Bit functions and addresses
CEX1/SS
REN
ES0
PSH
AD4
POF
RS1
A12
AC
EC
BC
PS
FC
A4
B4
D4
9C
84
94
T0
-
-
-
-
-
PBOH
PT1H
CEX0
INT1
EDC
EBO
PBO
ET1
PT1
AD3
GF1
RS0
TB8
A11
AB
BB
EB
FB
A3
B3
D3
9B
83
93
-
PX1H
INT0
EX1
PX1
AD2
GF0
RB8
A10
ECI
AA
EA
BA
OV
FA
A2
B2
D2
9A
82
92
-
-
PT0H
T2EX
SWR
AD1
ET0
PT0
TxD
A9
E9
B9
A1
A9
B1
PD
D1
F9
81
91
F1
99
TI
-
PX0H
BSEL
LSB
EX0
PX0
AD0
RxD
IDL
A8
E8
B8
F8
80
90
T2
A0
A8
B0
D0
98
RI
P
-