AT89C51AC3 Atmel Corporation, AT89C51AC3 Datasheet - Page 78

• Manufacturer Part Number: AT89C51AC3
• Manufacturer: Atmel Corporation

Specifications of AT89C51AC3

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 32
• Spi: 1
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 2.25
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

78
AT89C51AC3
Table 39. TL2 Register
TL2 (S:CCh)
Timer 2 Low Byte Register
Reset Value = 0000 0000b
Not bit addressable
Table 40. RCAP2H Register
RCAP2H (S:CBh)
Timer 2 Reload/Capture High Byte Register
Reset Value = 0000 0000b
Not bit addressable
Table 41. RCAP2L Register
RCAP2L (S:CA
T
Reset Value = 0000 0000b
Not bit addressable
IMER
Number
Number
Number
Bit
Bit
Bit
7-0
7-0
7-0
7
7
7
-
-
-
2 R
E
load/Capture Low Byte Register
Mnemonic Description
Mnemonic Description
Mnemonic Description
Bit
Bit
Bit
H
6
6
6
-
-
-
)
Low Byte of Timer 2.
High Byte of Timer 2 Reload/Capture.
Low Byte of Timer 2 Reload/Capture.
5
5
5
-
-
-
4
4
4
-
-
-
3
3
3
-
-
-
2
2
2
-
-
-
4383D–8051–02/08
1
1
1
-
-
-
0
0
0
-
-
-