AT89LP6440-20AU Atmel, AT89LP6440-20AU Datasheet - Page 176

• 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

Table 26-5.
Table 26-6.
Figure 26-8. SPI Master Timing (CPHA = 0)
176
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
AT89LP6440 - Preliminary
SPI Master Characteristics
SPI Slave Characteristics
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
(CPOL = 0)
(CPOL = 1)
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
t
SIH
Max
Max
10
35
25
25
10
35
10
25
3706A–MICRO–9/09
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns