AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 177

• Manufacturer Part Number: AT89LP6440-20AU
• Description: MCU 8051 64K FLASH ISP 44TQFP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP6440-20AU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 38
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 8K x 8
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Package: 44TQFP
• Device Core: 8051
• Family Name: 89LP
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 38
• Interface Type: 2-Wire/SPI
• On-chip Dac: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 26-9. SPI Slave Timing (CPHA = 0)
Figure 26-10. SPI Master Timing (CPHA = 1)
Figure 26-11. SPI Slave Timing (CPHA = 1)
3706A–MICRO–9/09
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL= 1)
(CPOL = 0)
(CPOL = 1)
MISO
MOSI
MISO
MOSI
SCK
SCK
SCK
SCK
MISO
MOSI
SS
SCK
SCK
SS
SS
t
SSE
t
SOE
t
t
SHSL
SLSH
t
SCK
t
t
t
SLSH
SHSL
SR
t
SOV
t
SF
t
SOH
AT89LP6440 - Preliminary
t
SOV
t
SF
t
SIS
t
SR
t
SIH
t
SSD
t
SOX
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