AT89S51-24AU Atmel, AT89S51-24AU Datasheet - Page 17
![IC MCU 4K FLASH 24MHZ 44-TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
AT89S51-24AU
Manufacturer Part Number
AT89S51-24AU
Description
IC MCU 4K FLASH 24MHZ 44-TQFP
Manufacturer
Atmel
Series
89Sr
Datasheet
1.AT89S51-24JU.pdf
(31 pages)
Specifications of AT89S51-24AU
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
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
ISP/UART
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
32
Number Of Timers
2
Operating Supply Voltage
4 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Minimum Operating Temperature
- 40 C
Controller Family/series
AT89
No. Of I/o's
32
Ram Memory Size
128Byte
Cpu Speed
24MHz
No. Of Timers
2
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89S51-24AU
Manufacturer:
ATMEL
Quantity:
122 400
Part Number:
AT89S51-24AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
2487D–MICRO–6/08
Figure 17-1. Programming the Flash Memory (Parallel Mode)
Figure 17-2. Verifying the Flash Memory (Parallel Mode)
3-33 MHz
3-33 MHz
PROGRAMMING
MODES TABLE
PROGRAMMING
MODES TABLE
SEE FLASH
0000H/FFFH
0000H/FFFH
SEE FLASH
ADDR.
ADDR.
A8 - A11
A0 - A7
A8 - A11
A0 - A7
P3.3
P1.0-P1.7
P2.0 - P2.3
P2.6
P2.7
P3.3
P3.6
P3.7
XTAL2
XTAL1
GND
P1.0-P1.7
P2.0 - P2.3
P2.6
P2.7
P3.6
P3.7
XTAL 2
XTAL1
GND
AT89S51
AT89S51
PSEN
PSEN
P3.0
RST
ALE
V
RST
ALE
EA
P0
V
EA
CC
P0
CC
V
V
PGM DATA
(USE 10K
PULLUPS)
CC
CC
PGM
DATA
PROG
V /V
V
RDY/
BSY
V
V
IH
IH
IH
IH
PP
AT89S51
17