AT89S52-24PI Atmel, AT89S52-24PI Datasheet - Page 24

• Manufacturer Part Number: AT89S52-24PI
• Description: IC MCU 8K FLASH 24MHZ 40-DIP
• Manufacturer: Atmel
• Series: 89Sr

Specifications of AT89S52-24PI

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

24
AT89S52
Figure 22-1. Programming the Flash Memory (Parallel Mode)
Figure 22-2. Verifying the Flash Memory (Parallel Mode)
3-33 MHz
3-33 MHz
PROGRAMMING
MODES TABLE
PROGRAMMING
MODES TABLE
SEE FLASH
0000H/1FFFH
SEE FLASH
0000H/1FFFH
ADDR.
ADDR.
A8 - A12
A0 - A7
A8 - A12
A0 - A7
P3.3
P1.0-P1.7
P2.0 - P2.4
P2.6
P2.7
P3.3
P3.6
P3.7
XTAL2
XTAL1
GND
P1.0-P1.7
P2.0 - P2.4
P2.6
P2.7
P3.6
P3.7
XTAL 2
XTAL1
GND
AT89S52
AT89S52
PSEN
PSEN
P3.0
RST
ALE
RST
V
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
IH
IH
V
IH
IH
PP
1919D–MICRO–6/08