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AT89LP51RB2 Datasheet(PDF) 26 Page - ATMEL Corporation

Part # AT89LP51RB2
Description  8-bit Microcontroller Compatible with 8051 Products
PDF  254 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89LP51RB2 Datasheet(HTML) 26 Page - ATMEL Corporation

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26
3722A–MICRO–10/11
AT89LP51RB2/RC2/IC2 Preliminary
Table 4-5.
Interrupt SFRs
Mnemonic
Add
Name
765432
10
IEN0
A8h
Interrupt Enable Control 0
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
IEN1
B1h
Interrupt Enable Control 1
–
–
EADC
ECMP
–
ESPI
ETWI
EKB
IPH0
B7h
Interrupt Priority Control High 0
IP1D
PPCH
PT2H
PHS
PT1H
PX1H
PT0H
PX0H
IPL0
B8h
Interrupt Priority Control Low 0
IP0D
PPCL
PT2L
PLS
PT1L
PX1L
PT0L
PX0L
IPH1
B3h
Interrupt Priority Control High 1
IP3D
–
PADL
PCMPL
–
SPIH
PTWL
PKBH
IPL1
B2h
Interrupt Priority Control Low 1
IP2D
–
PADH
PCMPH
–
SPIL
PTWH
PKBL
Table 4-6.
Port SFRs
Mnemonic
Add
Name
765432
10
P0
80h
8-bit Port 0
P1
90h
8-bit Port 1
P2
A0h
8-bit Port 2
P3
B0h
8-bit Port 3
P4
C0h
8-bit Port 4
P0M0
E6h
Port 0 Mode 0
P0M1
E7h
Port 0 Mode 1
P1M0
D6h
Port 1 Mode 0
P1M1
D7h
Port 1 Mode 1
P2M0
CEh
Port 2 Mode 0
P2M1
CFh
Port 2 Mode 1
P3M0
C6h
Port 3 Mode 0
P3M1
C7h
Port 3 Mode 1
P4M0
BEh
Port 4 Mode 0
P4M1
BFh
Port 4 Mode 1
Table 4-7.
Serial I/O Port SFRs
Mnemonic
Add
Name
765432
10
SCON
98h
Serial Control
FE/SM0
SM1
SM2
REN
TB8
RB8
TI
RI
SBUF
99h
Serial Data Buffer
SADEN
B9h
Slave Address Mask
SADDR
A9h
Slave Address
BDRCON
9Bh
Baud Rate Control
–
–
–
BRR
TBCK
RBCK
SPD
SRC
BRL
9Ah
Baud Rate Reload



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