AT89LP828 Atmel Corporation, AT89LP828 Datasheet - Page 135
AT89LP828
Manufacturer Part Number
AT89LP828
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT89LP428.pdf
(149 pages)
Specifications of AT89LP828
Flash (kbytes)
8 Kbytes
Max. Operating Frequency
25 MHz
Cpu
8051-1C
Max I/o Pins
30
Spi
1
Uart
1
Sram (kbytes)
0.75
Eeprom (bytes)
1024
Self Program Memory
IAP
Operating Voltage (vcc)
2.4 to 5.5
Timers
3
Isp
SPI/OCD
Watchdog
Yes
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Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
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Manufacturer:
Atmel
Quantity:
360
Company:
Part Number:
AT89LP828-20MH
Manufacturer:
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Quantity:
720
Company:
Part Number:
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Manufacturer:
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Quantity:
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Figure 24-13. SPI Slave Timing (CPHA = 1)
24.7
The values shown in this table are valid for T
Table 24-6.
Figure 24-14. Analog Reference Voltage Typical Characteristics
3654A–MICRO–8/09
Symbol
V
V
V
V
t
t
CMP
AREF
CM
OS
AREF
ΔREF
Dual Analog Comparator Characteristics
Parameter
Common Mode Input Voltage
Input Offset Voltage
Analog Reference Voltage
Reference Delta Voltage
Comparator Propagation Delay
Reference Settling Time
Dual Analog Comparator Characteristics
(CPOL = 0)
(CPOL = 1)
1.5
1.4
1.3
1.2
1.1
1.0
2.0
MISO
MOSI
SCK
SCK
SS
2.5
3.0
A
= -40°C to 85°C and V
V
V
Condition
3.5
CC
IN+
Vcc (V)
= 5.5V
– V
IN-
4.0
= 20 mV; V
4.5
CC
CC
= 2.4V
= 2.4 to 5.5V, unless otherwise noted.
5.0
5.5
GND
Min
1.2
70
3
AT89LP428/828
Vref+ (85C)
Vref+ (25C)
Vref+ (-40C)
Vref (85C)
Vref (25C)
Vref (-40C)
Vref- (-40C)
Vref- (25C)
Vref- (85C)
Max
V
170
200
1.3
20
DD
Units
mV
mV
ns
µs
V
V
135