AT89C51RB2-RLTIL Atmel, AT89C51RB2-RLTIL Datasheet - Page 22
AT89C51RB2-RLTIL
Manufacturer Part Number
AT89C51RB2-RLTIL
Description
IC 8051 MCU FLASH 16K 44VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RB2-RLTIL.pdf
(127 pages)
Specifications of AT89C51RB2-RLTIL
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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INC is a short (2 Bytes) and fast (12 clocks) way to manipulate the DPS bit in the
AUXR1 SFR. However, note that the INC instruction does not directly force the DPS bit
to a particular state, but simply toggles it. In simple routines, such as the block move
example, only the fact that DPS is toggled in the proper sequence matters, not its actual
value. In other words, the block move routine works the same whether DPS is '0' or '1'
on entry. Observe that without the last instruction (INC AUXR1), the routine will exit with
DPS in the opposite state.
AT89C51RB2/RC2
22
4180E–8051–10/06
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