AT89LP4052-20XU Atmel, AT89LP4052-20XU Datasheet - Page 81

• Manufacturer Part Number: AT89LP4052-20XU
• Description: IC 8051 MCU FLASH 4K 20TSSOP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP4052-20XU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-TSSOP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: UART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Minimum Operating Temperature: - 40 C
• Package: 20TSSOP
• Device Core: 8051
• Family Name: AT89
• Maximum Speed: 20 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Figure 24-1. SPI Master Timing (CPHA = 0)
Figure 24-2. SPI Slave Timing (CPHA = 0)
Figure 24-3. SPI Master Timing (CPHA = 1)
3547J–MICRO–10/09
(CPOL = 0)
(CPOL= 1)
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
MISO
MOSI
SCK
SCK
MISO
MOSI
MISO
MOSI
SCK
SCK
SCK
SCK
SS
SS
SS
t
SSE
t
SOE
t
t
t
SHSL
SLSH
t
SHSL
SLSH
t
SCK
t
SCK
t
t
t
t
SHSL
t
SLSH
SHSL
SLSH
SR
t
SR
t
SOH
t
SOV
t
SF
t
SOH
t
SOV
t
SOV
t
t
SF
SF
t
SIS
t
t
SIS
SR
AT89LP2052/LP4052
t
SIH
t
SIH
t
SSD
t
SOX
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