AT89LP428-20AU Atmel, AT89LP428-20AU Datasheet - Page 34
AT89LP428-20AU
Manufacturer Part Number
AT89LP428-20AU
Description
MCU 8051 4K FLASH SPI 32TQFP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP428-20AU
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-TQFP, 32-VQFP
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
Company:
Part Number:
AT89LP428-20AU
Manufacturer:
RFMD
Quantity:
1 240
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Table 9-6.
Table 9-7.
34
Symbol
IP2D
PSP
PCC
PGP
Symbol
IP3D
PSPH
PCCH
PGPH
IP = B5H
No Bit Addressable
Bit
IP2H = B6H
Not Bit Addressable
Bit
AT89LP428/828
Function
Interrupt Priority 2 Disable. Set IP2D to 1 to disable all interrupts with priority level two. Clear to 0 to enable all interrupts
with priority level two when EA = 1.
Serial Peripheral Interface Interrupt Priority Low
Compare/Capture Array Interrupt Priority Low
General-purpose Interrupt 0 Priority Low
Function
Interrupt Priority 3 Disable. Set IP3D to 1 to disable all interrupts with priority level three. Clear to 0 to enable all
interrupts with priority level three when EA = 1.
Serial Peripheral Interface Interrupt Priority High
Compare/Capture Array Interrupt Priority High
General-purpose Interrupt 0 Priority High
IP2 – Interrupt Priority 2 Register
IP2H – Interrupt Priority 2 High Register
IP2D
IP3D
7
7
.
–
–
6
6
–
–
5
5
–
–
4
4
–
–
3
3
PSPH
PSP
2
2
Reset Value = 0xxx x000B
Reset Value = 0xxx x000B
PCCH
PCC
1
1
PGPH
3654A–MICRO–8/09
PGP
0
0
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