AT89LP51ED2-20AAU Atmel, AT89LP51ED2-20AAU Datasheet - Page 232

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

Specifications of AT89LP51ED2-20AAU

• 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: LQFP-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 25-5.
Table 25-6.
Figure 25-10. SPI Master Timing (CPHA = 0)
232
Symbol
t
t
t
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SIH
SOH
SOV
CLCL
SCK
SHSL
SLSH
SR
SF
SIS
SIH
SOH
SOV
SOE
SOX
SSE
SSD
AT89LP51RD2/ED2/ID2 Preliminary
SPI Master Characteristics
SPI Slave Characteristics
(CPOL = 0)
(CPOL = 1)
Parameter
Serial Input Hold Time
Serial Output Hold Time
Serial Output Valid Time
Parameter
Oscillator Period
Serial Clock Cycle Time
Clock High Time
Clock Low Time
Rise Time
Fall Time
Serial Input Setup Time
Serial Input Hold Time
Serial Output Hold Time
Serial Output Valid Time
Output Enable Time
Output Disable Time
Slave Enable Lead Time
Slave Disable Lag Time
MISO
MOSI
SCK
SCK
SS
t
t
SHSL
SLSH
t
SCK
t
t
SHSL
SLSH
t
SR
t
SOH
1.5 t
1.5 t
t
SOV
4t
41.6
Min
Min
CLCL
CLCL
10
10
10
10
CLCL
0
- 25
- 25
t
SF
t
SIS
Max
Max
t
10
35
SIH
25
25
10
35
10
25
3714A–MICRO–7/11
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns