AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 181
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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Table 26-10. DAC Characteristics
26.12 Test Conditions
26.12.1
Note:
26.12.2
Note:
3706A–MICRO–9/09
Symbol
t
t
AV
V
V
V
V
R
ACK
DAC
REF
IN
CMO
DO
OUT
DD
1. AC Inputs during testing are driven at V
1. For timing purposes, a port pin is no longer floating when a 100 mV change from load voltage occurs. A port pin begins to
AC Testing Input/Output Waveform
Float Waveform
V
float when 100 mV change from the loaded V
Parameter
Resolution
Clock Period
Conversion Time
Analog Supply Voltage
Reference Voltage
Single-Ended Input Voltage
Differential Output
Common Mode Voltage
Differential Output Voltage
Analog Output Resistance
IH
min. for a logic “1” and V
(1)
IL
max. for a logic “0”.
Condition
t
External Reference
Internal Reference
ACK
≥ t
CLCL
DD
(1)
- 0.5V for a logic “1” and 0.45V for a logic “0”. Timing measurements are made at
OH
/V
OL
level occurs.
AV
AV
AV
V
DD
DD
DD
11t
DD
AT89LP6440 - Preliminary
Min
500
/2 - V
0.9
50
/2 - 0.2
/2 - 0.2
0
ACK
- 0.3
REF
Typical
AV
AV
1.0
10
DD
DD
/2
/2
AV
AV
AV
V
DD
12t
DD
DD
DD
2t
±V
Max
/2 + V
100
1.1
/2 + 0.2
/2 + 0.2
ACK
CLCL
+ 0.3
REF
+
REF
Units
Bits
kΩ
ns
ns
V
V
V
V
V
V
181
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