p89cv51rb2 NXP Semiconductors, p89cv51rb2 Datasheet - Page 10

• Manufacturer Part Number: p89cv51rb2
• Description: P89cv51rb2/rc2/rd2 8-bit 80c51 5 V Low Power 64 Kb Flash Microcontroller With 1 Kb Ram, Spi, 6-clock Cpu With 6/12-clock Peripherals
• Manufacturer: NXP Semiconductors

Table 4.
* indicates SFRs that are bit addressable.
Name
DPTR
IE*
IP*
IPH
P0*
P1*
P2*
P3*
PCON
PSW*
RCAP2H
RCAP2L
SCON*
SBUF
SADDR
SADEN
DPH
DPL
Special function registers
Description
Data Pointer (2 B)
Data Pointer High
Data Pointer Low
Interrupt Enable
Interrupt Priority Low
Interrupt Priority High
Port 0
Port 1
Port 2
Port 3
Power Control
Program Status Word
Timer 2 Capture High
Timer 2 Capture Low
Serial port Control
Serial port data Buffer
Serial port Address
Serial port Address Enable
…continued
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
Bit address
SFR
address
CBH
CAH
A8H
B8H
B7H
A0H
B0H
D0H
A9H
B9H
83H
82H
80H
90H
87H
98H
99H
SPICLK
SMOD1
SM0/FE
CEX4/
MSB
AD7
A15
AF
EA
BF
RD
CY
A7
B7
D7
9F
87
97
-
-
-
-
-
-
-
-
-
SMOD0
CEX3/
PPCH
MISO
PPC
AD6
SM1
A14
WR
AE
EC
BE
A6
B6
D6
AC
9E
86
96
-
-
-
-
-
-
-
CEX2/
PT2H
MOSI
SM2
ET2
PT2
AD5
A13
AD
BD
85
95
A5
B5
T1
D5
F0
9D
-
-
-
-
-
-
-
-
Bit functions and addresses
CEX1/SS
REN
PSH
AD4
POF
RS1
A12
AC
BC
ES
PS
A4
B4
D4
9C
84
94
T0
-
-
-
-
-
-
-
PT1H
CEX0
INT1
ET1
PT1
AD3
A11
GF1
RS0
TB8
AB
BB
A3
B3
D3
9B
83
93
-
-
-
-
-
-
-
[1]
PX1H
INT0
EX1
PX1
AD2
GF0
RB8
A10
ECI
AA
BA
OV
A2
B2
D2
9A
82
92
-
-
-
-
-
-
-
PT0H
T2EX
AD1
TXD
ET0
PT0
A9
B9
A1
A9
B1
PD
D1
81
91
F1
99
TI
-
-
-
-
-
-
-
PX0H
LSB
RXD
EX0
PX0
AD0
IDL
A8
B8
80
90
T2
A0
A8
B0
D0
98
RI
P
-
-
-
-
-
-
-