AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 14

• Manufacturer Part Number: AT89LP51RC2
• Manufacturer: Atmel Corporation

Specifications of AT89LP51RC2

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 42
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 7
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 1.375
• Self Program Memory: API
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 4
• Isp: SPI/OCD/UART
• Watchdog: Yes

Table 3-5.
Table 3-6.
Table 3-7.
14
Mnemonic
IEN0
IEN1
IPH0
IPL0
IPH1
IPL1
Mnemonic
P0
P1
P2
P3
P4
P0M0
P0M1
P1M0
P1M1
P2M0
P2M1
P3M0
P3M1
P4M0
P4M1
Mnemonic
SCON
SBUF
SADEN
SADDR
BDRCON
BRL
AT89LP51RB2/RC2/IC2 Summary
Add
Add
C0h
D6h
D7h
CEh
CFh
C6h
C7h
BEh
BFh
Add
A8h
B1h
B7h
B8h
B3h
B2h
80h
90h
A0h
B0h
E6h
E7h
99h
B9h
A9h
9Bh
9Ah
98h
Interrupt SFRs
Port SFRs
Serial I/O Port SFRs
Port 0 Mode 0
Port 0 Mode 1
Port 1 Mode 0
Port 1 Mode 1
Port 2 Mode 0
Port 2 Mode 1
Port 3 Mode 0
Port 3 Mode 1
Port 4 Mode 0
Port 4 Mode 1
Slave Address
Name
Interrupt Enable Control 0
Interrupt Enable Control 1
Interrupt Priority Control High 0
Interrupt Priority Control Low 0
Interrupt Priority Control High 1
Interrupt Priority Control Low 1
Name
8-bit Port 0
8-bit Port 1
8-bit Port 2
8-bit Port 3
8-bit Port 4
Name
Serial Control
Serial Data Buffer
Slave Address Mask
Baud Rate Control
Baud Rate Reload
FE/SM0
IP1D
IP0D
IP3D
IP2D
EA
7
–
7
7
–
PPCH
PPCL
SM1
EC
6
6
6
–
–
–
–
EADC
PADH
PT2H
PADL
PT2L
SM2
ET2
5
5
5
–
PCMPH
PCMPL
ECMP
REN
BRR
PHS
PLS
ES
4
4
4
TBCK
PT1H
PT1L
ET1
TB8
3
–
–
–
3
3
RBCK
PX1H
PX1L
ESPI
SPIH
SPIL
RB8
EX1
2
2
2
3722AS–MICRO–10/11
PTWH
PTWL
ETWI
PT0H
PT0L
SPD
ET0
TI
1
1
1
PX0H
PKBH
PX0L
PKBL
EKB
SRC
EX0
RI
0
0
0