AT89S8252-24PI Atmel, AT89S8252-24PI Datasheet - Page 14

• Manufacturer Part Number: AT89S8252-24PI
• Description: MCU W/SPI 8KB FLSH 2K EEP 40-DIP
• Manufacturer: Atmel
• Series: 89Sr

Specifications of AT89S8252-24PI

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 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
• Data Converters: -
• Other names: AT89S825224PI

Table 9. T2MOD – Timer 2 Mode Control Register
Figure 3. Timer 2 Auto Reload Mode (DCEN = 1)
14
T2MOD Address = 0C9H
Not Bit Addressable
Symbol
–
T2OE
DCEN
Bit
AT89S8252
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
0
0401G–MICRO–3/06