P89LV51RD2BBC NXP Semiconductors, P89LV51RD2BBC Datasheet - Page 13

• Manufacturer Part Number: P89LV51RD2BBC
• Description: MCU 8-Bit 89LV 80C51 CISC 64KB Flash 3.3V 44-Pin TQFP Tray
• Manufacturer: NXP Semiconductors

Specifications of P89LV51RD2BBC

• Package: 44TQFP
• Device Core: 80C51
• Family Name: 89LV
• Maximum Speed: 40 MHz
• Ram Size: 1 KB
• Program Memory Size: 64 KB
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 32
• Interface Type: SPI/UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3

Table 4.
* Indicates SFRs that are bit addressable.
[1]
Name
SADDR
SADEN
SPCTL
SPCFG
SPDAT
SP
TCON*
T2CON*
T2MOD
TH0
TH1
TH2
TL0
TL1
TL2
TMOD
WDTC
WDTD
Unimplemented bits in SFRs (labeled ’-’) are ‘X’s (unknown) at all times. Unless otherwise specified, ‘1’s should not be written to these bits since they may be used for other
purposes in future derivatives. The reset values shown for these bits are ‘0’s although they are unknown when read.
Special function registers
Description
Serial Port Address Register
Serial Port Address Enable
SPI Control Register
SPI Configuration Register
SPI Data
Stack Pointer
Timer Control Register
Timer2 Control Register
Timer2 Mode Control
Timer 0 HIGH
Timer 1 HIGH
Timer 2 HIGH
Timer 0 LOW
Timer 1 LOW
Timer 2 LOW
Timer 0 and 1 Mode
Watchdog Timer Control
Watchdog Timer Data/Reload
…continued
Bit address
Bit address
Bit address
SFR
addr.
D5H
AAH
C8H
C9H
8CH
8DH
CDH
CCH
C0H
A9H
B9H
86H
81H
88H
8AH
8BH
89H
85H
T1GATE
MSB
SPIE
SPIF
87
TF1
TF2
CF
8F
-
-
[1]
WCOL
SPEN
T1C/T
EXF2
86
TR1
CE
8E
-
-
[1]
DORD
RCLK
ENT2
T1M1
85
TF0
CD
8D
-
-
[1]
Bit functions and addresses
WDOUT
MSTR
TCLK
T1M0
84
TR0
CC
8C
-
-
[1]
T0GATE
EXEN2
WDRE
CPOL
83
IE1
CB
8B
-
-
[1]
CPHA
T0C/T
WDTS
82
TR2
IT1
CA
8A
-
-
[1]
PSC1
T2OE
T0M1
WDT
81
C/T2
IE0
C9
89
-
[1]
CP/RL2
SWDT
DCEN
PSC0
T0M0
LSB
80
IT0
C8
88
-
[1]