AT89C51-24JI Atmel, AT89C51-24JI Datasheet - Page 8

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

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: -

Flash Programming and Verification Waveforms - High-voltage Mode (V
Flash Programming and Verification Waveforms - Low-voltage Mode (V
8
P1.0 - P1.7
P2.0 - P2.3
P1.0 - P1.7
P2.0 - P2.3
ALE/PROG
(RDY/BSY)
ALE/PROG
(RDY/BSY)
(ENABLE)
(ENABLE)
PORT 0
PORT 0
P3.4
P3.4
P2.7
P2.7
EA/V
EA/V
PP
PP
AT89C51
t
t
t
t
SHGL
SHGL
AVGL
AVGL
t
t
EHSH
EHSH
V
PROGRAMMING
PROGRAMMING
PP
t
t
DVGL
DVGL
ADDRESS
ADDRESS
DATA IN
DATA IN
t
t
GLGH
t
GLGH
t
GHBL
GHBL
t
t
GHDX
GHDX
t
t
ELQV
ELQV
t
t
GHAX
GHAX
LOGIC 1
LOGIC 0
t
GHSL
LOGIC 1
LOGIC 0
BUSY
BUSY
t
t
WC
WC
VERIFICATION
VERIFICATION
DATA OUT
DATA OUT
ADDRESS
ADDRESS
t
t
AVQV
AVQV
READY
READY
t
t
EHQZ
EHQZ
PP
PP
= 5V)
= 12V)