AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 29

• Manufacturer Part Number: AT89LP51ED2-20AU
• Description: 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
• Manufacturer: Atmel

Specifications of AT89LP51ED2-20AU

• Rohs: yes
• Core: 8051
• Processor Series: AT89x
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 256 B
• On-chip Adc: Yes
• Operating Supply Voltage: 2.4 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: TQFP-44
• Mounting Style: SMD/SMT
• Data Rom Size: 4 KB
• Interface Type: 2-Wire, SPI, UART
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Program Memory Type: Flash
• Factory Pack Quantity: 160

Table 4-5.
Table 4-6.
Table 4-7.
3714A–MICRO–7/11
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
Add
Add
CEh
Add
A8h
B1h
B7h
B8h
B3h
B2h
A0h
B0h
C0h
E6h
E7h
D6h
D7h
CFh
C6h
C7h
BEh
BFh
B9h
A9h
9Bh
9Ah
80h
90h
98h
99h
Interrupt SFRs
Port SFRs
Serial I/O Port SFRs
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
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
Name
Serial Control
Serial Data Buffer
Slave Address Mask
Slave Address
Baud Rate Control
Baud Rate Reload
FE/SM0
IP1D
IP0D
IP3D
IP2D
EA
7
–
7
7
–
AT89LP51RD2/ED2/ID2 Preliminary
PPCH
PPCL
SM1
EC
6
–
–
–
6
6
–
EADC
PADH
PT2H
PADL
PT2L
SM2
ET2
5
5
5
–
PCMPH
PCMPL
ECMP
PHS
REN
BRR
PLS
ES
4
4
4
TBCK
PT1H
PT1L
ET1
TB8
–
3
–
–
3
3
RBCK
PX1H
PX1L
ESPI
SPIH
SPIL
RB8
EX1
2
2
2
PTWH
PTWL
ETWI
PT0H
PT0L
SPD
ET0
TI
1
1
1
PKBH
PX0H
PKBL
PX0L
SRC
EKB
EX0
RI
0
0
0
29