AT89LP214-20PU Atmel, AT89LP214-20PU Datasheet - Page 87

• Manufacturer Part Number: AT89LP214-20PU
• Description: MCU 8051 2K FLASH 20MHZ 14-PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP214-20PU

• 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: 12
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI/UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 24-16. SPI Slave Timing (CPHA = 1)
24.6
The values in this table are valid for V
Figure 24-17. Shift Register Mode Timing Waveform
3538E–MICRO–11/10
Symbol
t
t
t
t
t
XLXL
QVXH
XHQX
XHDX
XHDV
Serial Port Timing: Shift Register Mode Test Conditions
WRITE TO SBUF
OUTPUT DATA
INPUT DATA
CLEAR RI
Parameter
Serial Port Clock Cycle Time
Output Data Setup to Clock Rising Edge
Output Data Hold after Clock Rising Edge
Input Data Hold after Clock Rising Edge
Input Data Valid to Clock Rising Edge
CLOCK
(CPOL = 0)
(CPOL = 1)
MISO
MOSI
SCK
SCK
SS
VALID
0
CC
= 2.4V to 5.5V and Load Capacitance = 80 pF.
VALID
1
VALID
2
VALID
3
VALID
4
2t
t
t
VALID
CLCL
CLCL
CLCL
Min
5
15
Variable Oscillator
0
-15
-15
-15
AT89LP213/214
VALID
6
Max
VALID
7
Units
µs
ns
ns
ns
ns
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