AT89LP52-20JU Atmel, AT89LP52-20JU Datasheet - Page 97
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AT89LP52-20JU
Manufacturer Part Number
AT89LP52-20JU
Description
IC MCU 8051 8K FLASH SPI 44PLCC
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP52-20MU.pdf
(113 pages)
Specifications of AT89LP52-20JU
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
44-LCC (J-Lead)
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
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP52-20JU
Manufacturer:
Atmel
Quantity:
110
Table 18-1.
Note:
Table 18-2.
18.5
The values shown in this table are valid for T
Table 18-3.
3709B–MICRO–12/10
Symbol
1/t
t
t
t
t
t
Symbol
f
f
Symbol
R
V
V
V
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
XTAL
RC
POR
WDTRST
POR
BOD
BH
RST
CLCL
1. No wait state (single-cycle) fetch speed for Fast Mode
Reset Characteristics
Parameter
Oscillator Frequency
Clock Period
External Clock High Time
External Clock Low Time
External Clock Rise Time
External Clock Fall Time
Parameter
Crystal Oscillator Frequency
Internal Oscillator Frequency
Parameter
Reset Pull-up Resistor
Power-On Reset Threshold
Brown-Out Detector Threshold
Brown-Out Detector Hysteresis
Power-On Reset Delay
Watchdog Reset Pulse Width
External Clock Parameters
Clock Characteristics
Reset Characteristics
(1)
A
= -40°C to 85°C and V
Condition
Low Power Oscillator
High Power Oscillator
T
V
Condition
A
DD
= 25°C; V
V
Min
= 2.4 to 5.5V
50
0
DD
= 2.4V to 5.5V
DD
= 5.0V
DD
Max
AT89LP51/52 - Preliminary
= 2.4 to 5.5V, unless otherwise noted.
20
49t
1.824
1.751
V
Min
Min
Min
200
135
1.3
1.9
40
12
12
50
DD
0
0
0
CLCL
= 4.5V to 5.5V
1.862
1.935
Max
Max
Max
150
300
150
1.6
2.2
25
12
24
5
5
Units
Units
Units
MHz
MHz
MHz
MHz
MHz
mV
ns
ns
ns
ns
ns
kΩ
µs
ns
V
V
97