AT89C51RB2-SLRUL Atmel, AT89C51RB2-SLRUL Datasheet - Page 113
![MCU 8051 16K FLASH 3V 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT89C51RB2-SLRUL
Manufacturer Part Number
AT89C51RB2-SLRUL
Description
MCU 8051 16K FLASH 3V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RB2-RLTIL.pdf
(127 pages)
Specifications of AT89C51RB2-SLRUL
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-PLCC
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RB2-SLRUL
Manufacturer:
Atmel
Quantity:
500
External Program Memory
Read Cycle
External Data Memory
Characteristics
4180E–8051–10/06
PORT 0
PORT 2
PSEN
ALE
INSTR IN
OR SFR-P2
ADDRESS
Table 78. Symbol Description
T
LHLL
T
T
LLAX
Symbol
AVLL
T
T
T
T
T
T
T
T
T
T
T
T
T
T
A0-A7
WLWH
QVWX
QVWH
WHQX
RHDX
RHDZ
AVWL
WHLH
RLRH
RLDV
AVDV
LLDV
LLWL
RLAZ
T
AVIV
ADDRESS A8-A15
T
LLIV
T
LLPL
TPLAZ
T
Parameter
RD Pulse Width
WR Pulse Width
RD to Valid Data In
Data Hold After RD
Data Float After RD
ALE to Valid Data In
Address to Valid Data In
ALE to WR or RD
Address to WR or RD
Data Valid to WR Transition
Data set-up to WR High
Data Hold After WR
RD Low to Address Float
RD or WR High to ALE high
PLIV
T
PLPH
INSTR IN
T
PXIX
12 T
CLCL
T
PXIZ
T
PXAV
A0-A7
AT89C51RB2/RC2
ADDRESS A8-A15
INSTR IN
113