AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 168

• 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

168
AT89LP6440 - Preliminary
CPHA = 0) where bits are sampled on the rising edge of SCK and output on the falling edge of
SCK. For more detailed timing information see
Figure 25-11. ISP Byte Sequence
Figure 25-12. Serial Programming Interface Timing
Figure 25-13. Parallel Programming Interface Timing
MISO
MOSI
SCK
SCK
SS
OE
P0
SS
MOSI
MISO
SCK
t
t
SSE
t
SSE
PIS
t
SOE
7
7
t
PIH
t
t
SHSL
SHSL
t
t
t
SCK
POE
SCK
6
6
Data Sampled
t
t
t
SLSH
t
SLSH
SR
SR
5
5
t
SOV
Figure
4
4
t
SOH
t
25-12.
POV
3
3
t
t
t
SF
POH
SF
t
SIS
2
2
t
SIH
1
1
t
t
SSD
SSD
t
t
POX
3706A–MICRO–9/09
SOX
0
0