AT89S53-24PC Atmel, AT89S53-24PC Datasheet - Page 11
AT89S53-24PC
Manufacturer Part Number
AT89S53-24PC
Description
IC MICRO CTRL 24MHZ 40DIP
Manufacturer
Atmel
Series
89Sr
Datasheet
1.AT89S53-24JI.pdf
(35 pages)
Specifications of AT89S53-24PC
Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
SPI, UART/USART
Peripherals
WDT
Number Of I /o
32
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI, UART
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
4 V to 6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
No
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Figure 2. Timer 2 in Auto Reload Mode (DCEN = 0)
Table 9. T2MOD—Timer 2 Mode Control Register
0787E–MICRO–3/06
T2MOD Address = 0C9H
Not Bit Addressable
Symbol
–
T2OE
DCEN
Bit
Function
Not implemented, reserved for future use.
Timer 2 Output Enable bit.
When set, this bit allows Timer 2 to be configured as an up/down counter.
–
7
–
6
–
5
–
4
–
3
–
2
Reset Value = XXXX XX00B
T2OE
1
DCEN
AT89S53
0
11