AT89C51RB2-RLTIL Atmel, AT89C51RB2-RLTIL Datasheet - Page 113

• Manufacturer Part Number: AT89C51RB2-RLTIL
• Description: IC 8051 MCU FLASH 16K 44VQFP
• Manufacturer: Atmel
• Series: 89Cr

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: -

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
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