AT89LP828-20MH Atmel, AT89LP828-20MH Datasheet - Page 45
![MCU 8051 8K FLASH SPI 32VQFN](/photos/6/91/69154/313-32-tqfp_sml.jpg)
AT89LP828-20MH
Manufacturer Part Number
AT89LP828-20MH
Description
MCU 8051 8K FLASH SPI 32VQFN
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP828-20MH
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-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP828-20MH
Manufacturer:
Atmel
Quantity:
720
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Table 11-2.
3654A–MICRO–8/09
Symbol
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
TCON = 88H
Bit Addressable
Bit
Function
Timer 1 Overflow Flag. Set by hardware on Timer/Counter overflow. Cleared by hardware when the processor vectors
to interrupt routine.
Timer 1 Run Control Bit. Set/cleared by software to turn Timer/Counter on/off.
Timer 0 Overflow Flag. Set by hardware on Timer/Counter overflow. Cleared by hardware when the processor vectors
to interrupt routine.
Timer 0 Run Control Bit. Set/cleared by software to turn Timer/Counter on/off.
Interrupt 1 Edge Flag. Set by hardware when external interrupt edge detected. Cleared when interrupt processed.
Interrupt 1 Type Control Bit. Set/cleared by software to specify falling edge/low level triggered external interrupts.
Interrupt 0 Edge Flag. Set by hardware when external interrupt edge detected. Cleared when interrupt processed.
Interrupt 0 Type Control Bit. Set/cleared by software to specify falling edge/low level triggered external interrupts.
TCON
TF1
7
– Timer/Counter Control Register
TR1
6
TF0
5
TR0
4
IE1
3
IT1
2
Reset Value = 0000 0000B
AT89LP428/828
IE0
1
IT0
0
45
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