AT89LP828-20JU Atmel, AT89LP828-20JU Datasheet - Page 101
AT89LP828-20JU
Manufacturer Part Number
AT89LP828-20JU
Description
MCU 8051 8K FLASH SPI 32PLCC
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP828-20JU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
30
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-PLCC
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
2-Wire, SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
30
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Figure 18-3. Dual Comparator Configuration Examples
3654A–MICRO–8/09
a. dual independent comparators with external references
b. 3-channel comparator with external reference
c. 4-channel comparator with internal reference
d. 2-channel comparator with internal reference &
e. 2-channel comparator with external reference &
AIN0
AIN1
AIN0
AIN2
AIN3
AIN0
AIN1
AIN2
AIN3
comparator with external reference
AIN0
AIN1
comparator with internal reference
AIN0
AIN2
CSA = 00 RFA = 00
AIN1
CSA = 00/01 RFA = 10
CSA = 00/10 RFA = 00
V
+
-
AREF
A
CSA = 00/01/10/11 RFA = 10
AIN1
V
CSA = 00/10/11 RFA = 00
+
+
AREF
-
-
A
A
CMPA
CMPA
CMPA
+
+
-
-
A
A
AIN3
AIN2
CSB = 11 RFB = 00
AIN3
AIN2
AIN3
V
CSB = 11 RFB = 00
AREF
CSB = 11 RFB = 10
CMPA
CMPA
+
-
B
+
+
-
-
B
B
CMPB
CMPB
CMPB
AIN2
AIN0
AIN3
AIN1
AIN0
AIN1
AIN2
AIN3
f. 2-channel window
g. 4-channel window
comparator with
external reference
CSA = CSB = 00/01/10/11
comparator with
internal reference
V
V
RFA = 01 RFB = 11
CSA = CSB = 00/11
AREF+Δ
AREF-Δ
RFA = RFB = 00
AT89LP428/828
+
+
+
+
-
-
-
-
B
A
B
A
CMPB
CMPA
CMPB
CMPA
101
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