AT89LP428-20JU Atmel, AT89LP428-20JU Datasheet - Page 75
AT89LP428-20JU
Manufacturer Part Number
AT89LP428-20JU
Description
MCU 8051 4K FLASH SPI 32PLCC
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP428-20JU
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
4KB (4K x 8)
Program Memory Type
FLASH
Eeprom Size
512 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
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
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 15-1. GPI Block Diagram
.
Table 15-1.
3654A–MICRO–8/09
GPMOD = 9AH
Not Bit Addressable
Bit
(P1.7) GPI7
(P1.6) GPI6
(P1.5) GPI5
(P1.4) GPI4
(P1.3) GPI3
(P1.2) GPI2
(P1.1) GPI1
(P1.0) GPI0
GPMOD.x
GPMOD7
GPMOD
7
– General-purpose Interrupt Mode Register
0 = level-sensitive interrupt for P1.x
1 = edge-triggered interrupt for P1.x
GPMOD6
6
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
GPLS
7
6
5
4
3
2
1
0
GPMOD5
5
GPMOD
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
7
6
5
4
3
2
1
0
GPMOD4
4
7
6
5
4
3
2
1
0
GPIEN
CLK
GPMOD3
3
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
GPIF
GPMOD2
7
6
5
4
3
2
1
0
2
Reset Value = 0000 0000B
GPMOD1
AT89LP428/828
1
GPMOD0
Interrupt
0
75
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