AT89C51-24JI Atmel, AT89C51-24JI Datasheet - Page 12

IC MICRO CTRL 24MHZ 44PLCC

AT89C51-24JI

Manufacturer Part Number
AT89C51-24JI
Description
IC MICRO CTRL 24MHZ 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet

Specifications of AT89C51-24JI

Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
UART/USART
Number Of I /o
32
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
External Program Memory Read Cycle
External Data Memory Read Cycle
12
PORT 0
PORT 2
PORT 0
PORT 2
PSEN
PSEN
ALE
ALE
RD
A0 - A7 FROM RI OR DPL
AT89C51
t
LHLL
t
AVLL
t
AVLL
t
P2.0 - P2.7 OR A8 - A15 FROM DPH
LHLL
t
AVWL
t
LLAX
t
AVDV
A0 - A7
t
LLAX
t
LLWL
t
t
RLAZ
LLPL
t
t
LLDV
AVIV
A8 - A15
t
PLAZ
t
RLRH
t
RLDV
DATA IN
t
t
PLIV
LLIV
INSTR IN
t
PXIX
t
PXIZ
t
RHDZ
t
A0 - A7 FROM PCL
t
t
t
RHDX
PLPH
PXAV
WHLH
A8 - A15 FROM PCH
A8 - A15
A0 - A7
INSTR IN

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