AT89S52-24AC Atmel, AT89S52-24AC Datasheet - Page 28
AT89S52-24AC
Manufacturer Part Number
AT89S52-24AC
Description
IC MCU 8K FLASH 24MHZ 44-TQFP
Manufacturer
Atmel
Series
89Sr
Datasheet
1.AT89S52-24AU.pdf
(38 pages)
Specifications of AT89S52-24AC
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
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
25. Serial Programming Characteristics
Figure 25-1. Serial Programming Timing
Table 25-1.
28
Symbol
1/t
t
t
t
t
t
t
t
t
CLCL
SHSL
SLSH
OVSH
SHOX
SLIV
ERASE
SWC
CLCL
AT89S52
Serial Programming Characteristics, T
Parameter
Oscillator Frequency
Oscillator Period
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
Chip Erase Instruction Cycle Time
Serial Byte Write Cycle Time
MOSI
MISO
SCK
t
OVSH
A
t
= -40⋅ C to 85⋅ C, V
SHSL
8 t
2 t
8 t
t
Min
CLCL
t
30
10
CLCL
CLCL
CLCL
3
SHOX
CC
= 4.0 - 5.5V (Unless Otherwise Noted)
t
SLSH
Typ
16
t
SLIV
64 t
CLCL
Max
500
33
32
+ 400
1919D–MICRO–6/08
Units
MHz
ms
ns
ns
ns
ns
ns
ns
µs