AT89LP52-20PU Atmel, AT89LP52-20PU Datasheet - Page 90

• Manufacturer Part Number: AT89LP52-20PU
• Description: IC MCU 8051 8K FLASH SPI 40PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP52-20PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 8KB (8K 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: 40-DIP (0.600", 15.24mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: Serial
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

90
AT89LP51/52 - Preliminary
Figure 17-13. ISP Byte Sequence
Figure 17-14. Serial Programming Interface Timing
Figure 17-15. Parallel Programming Interface Timing
MISO
MOSI
SCK
RST
SCK
OE
P0
RST
MOSI
MISO
SCK
t
t
SSE
t
SSE
PIS
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
4
4
t
SOH
t
POV
3
3
t
t
t
SF
POH
SF
t
SIS
2
2
t
SIH
1
1
t
t
SSD
SSD
3709B–MICRO–12/10
t
t
POX
SOX
0
0