AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 30

• 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 4-8.
Table 4-9.
Table 4-10.
30
Mnemonic
TCON
TMOD
TCONB
TL0
TH0
TL1
TH1
RL0
RH0
RTL1
RH1
WDTRST
WDTPRG
T2CON
T2MOD
RCAP2H
RCAP2L
TH2
TL2
Mnemonic
SPCON
SPSTA
SPDAT
Mnemonic
SSCON
SSCS
SSDAT
SSADR
AT89LP51RD2/ED2/ID2 Preliminary
CDh
CCh
Add
8Ch
8Dh
C8h
C9h
CBh
CAh
Add
C3h
C4h
C5h
Add
88h
89h
8Ah
8Bh
F2h
F3h
F4h
F5h
A6h
A7h
93h
94h
95h
96h
91h
Timer SFRs
SPI Controller SFRs
TWI Controller SFRs
WatchDog Timer Program
Timer/Counter 2 Mode
Timer/Counter 2 Low Byte
Synchronous Serial Status
Synchronous Serial Data
Synchronous Serial Address
Name
Timer/Counter 0 and 1 Control
Timer/Counter 0 and 1 Modes
Timer/Counter 0 and 1 Mode B
Timer/Counter 0 Low Byte
Timer/Counter 0 High Byte
Timer/Counter 1 Low Byte
Timer/Counter 1 High Byte
Timer/Counter 0 Reload Low
Timer/Counter 0 Reload High
Timer/Counter 1 Reload Low
Timer/Counter 1 Reload High
WatchDog Timer Reset
Timer/Counter 2 control
Timer/Counter 2 Reload/Capture
High Byte
Timer/Counter 2 Reload/Capture
Low Byte
Timer/Counter 2 High Byte
Name
SPI Control
SPI Status
SPI Data
Name
Synchronous Serial Control
WDTOVF
SSCR2
GATE1
SPR2
SPD7
SSC4
SSA7
SPIF
TF1
TF2
7
–
7
7
SWRST
WCOL
SPEN
SSPE
SPD6
SSC3
SSA6
EXF2
C/T1
TR1
6
–
6
6
WDTEN
SSERR
SSSTA
SSDIS
RCLK
SPD5
SSC2
SSA5
M11
TF0
5
–
5
5
WDIDLE
SSSTO
MODF
MSTR
TCLK
SPD4
SSC1
SSA4
M01
TR0
4
–
4
4
DISRTO
EXEN2
GATE0
CPOL
SPD3
SSC0
SSA3
TXE
SSI
IE1
3
–
3
3
DORD
WTO2
CPHA
SPD2
SSAA
SSA2
C/T0
TR2
IT1
2
–
2
2
0
REMAP
SSCR1
WTO1
T2OE
SPR1
SPD1
SSA1
C/T2
M10
IE0
3714A–MICRO–7/11
1
1
1
0
CP/RL2
SSCR0
WTO0
DCEN
SSGC
SPR0
SPD0
TBIE
M00
IT0
0
0
0
0