AT89S51-24JC Atmel, AT89S51-24JC Datasheet - Page 6
![IC 8051 MCU 4K FLASH 44PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT89S51-24JC
Manufacturer Part Number
AT89S51-24JC
Description
IC 8051 MCU 4K FLASH 44PLCC
Manufacturer
Atmel
Series
89Sr
Datasheet
1.AT89S51-24JU.pdf
(31 pages)
Specifications of AT89S51-24JC
Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
UART/USART
Peripherals
WDT
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 ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89S51-24JC
Manufacturer:
ATM
Quantity:
1 025
Company:
Part Number:
AT89S51-24JC
Manufacturer:
ATMEL
Quantity:
3 398
Part Number:
AT89S51-24JC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
4.11
4.12
5. Special Function Registers
6
XTAL1
XTAL2
AT89S51
EA should be strapped to V
This pin also receives the 12-volt programming enable voltage (V
Input to the inverting oscillator amplifier and input to the internal clock operating circuit.
Output from the inverting oscillator amplifier
A map of the on-chip memory area called the Special Function Register (SFR) space is shown in
Table
Note that not all of the addresses are occupied, and unoccupied addresses may not be imple-
mented on the chip. Read accesses to these addresses will in general return random data, and
write accesses will have an indeterminate effect.
5-1.
CC
for internal program executions.
PP
) during Flash programming.
2487D–MICRO–6/08