AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 173
AT89LP6440-20PU
Manufacturer Part Number
AT89LP6440-20PU
Description
MCU 8051 64K FLASH ISP 40PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP6440-20MU.pdf
(194 pages)
Specifications of AT89LP6440-20PU
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
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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26.4
The values shown in this table are valid for T
Figure 26-5. External Clock Drive Waveform
Table 26-1.
Table 26-2.
26.5
The values shown in this table are valid for T
Table 26-3.
3706A–MICRO–9/09
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
Clock Characteristics
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
A
A
= -40°C to 85°C and V
= -40°C to 85°C and V
Condition
Low Speed Oscillator
High Speed Oscillator
T
V
Condition
A
DD
= 25°C; V
V
Min
= 2.4 to 3.6V
DD
= 2.0V to 3.6V
DD
= 3.0V
DD
DD
Max
= 2.4 to 3.6V, unless otherwise noted.
= 2.4 to 3.6V, unless otherwise noted.
AT89LP6440 - Preliminary
16t
V
7.92
7.60
Min
Min
Min
200
135
0.5
1.3
1.9
50
12
12
10
50
DD
0
CLCL
= 2.4V to 3.6V
Max
Max
8.08
8.40
Max
100
150
300
150
1.6
2.2
20
24
5
5
Units
Units
Units
MHz
MHz
MHz
MHz
kHz
mV
ns
ns
ns
ns
ns
kΩ
µs
ns
V
V
173
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