AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 21

• 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

3714A–MICRO–7/11
Figure 3-12. Compatibility Mode External Data Memory Read Cycle (WS0 = 0)
Figure 3-13. MOVX with One Wait State (WS = 01B)
Figure 3-14. MOVX with Two Wait States (WS = 10B)
CLK
ALE
CLK
ALE
WR
WR
RD
RD
P2
P0
P0
P2
P0
P0
P2 SFR
P0 SFR
P0 SFR
P2 SFR
P0 SFR
P0 SFR
CLK
ALE
RD
P0
P2
S1
S1
P0 SFR
P2 SFR
PCH or
DPL OUT
DPL OUT
DPL OUT
DPL OUT
S4
S2
S2
DPL or Ri
S5
OUT
S3
S3
DPH or P2 OUT
AT89LP51RD2/ED2/ID2 Preliminary
DPH or P2 OUT
DATA OUT
FLOAT
S6
W1
W1
DATA OUT
FLOAT
DATA SAMPLED
S1
W2
S4
DPH or P2 OUT
P2 SFR
P0 SFR
P0 SFR
FLOAT
S2
S4
P2 SFR
P0 SFR
P0 SFR
S3
S4
S5
P0 SFR
P2 SFR
PCH or
PCL or
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