AT83EB5114 Atmel Corporation, AT83EB5114 Datasheet - Page 18

• Manufacturer Part Number: AT83EB5114
• Manufacturer: Atmel Corporation

Specifications of AT83EB5114

• Max. Operating Frequency: 24 MHz
• Cpu: 8051-12C
• Max I/o Pins: 11
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 50
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Operating Voltage (vcc): 3.0 to 3.6
• Timers: 4
• Mask Rom (kbytes): 4
• Watchdog: Yes

Clock Prescaler Register
Clock Control Register
18
AT89/83EB5114
This register is used to reload the clock prescaler of the CPU and peripheral clock.
Table 6. CKRL Register
CKRL - Clock prescaler Register (97h)
Reset Value = XXXX 1000b
Not bit addressable
This register is used to control the X2 mode of the CPU and peripheral clock.
Table 7. CKCON Register
CKCON - Clock Control Register (8Fh)
Reset Value = 0000 0000b
Not bit addressable
Number
Number
Bit
7-4
3-0
Bit
7-1
7
7
-
-
0
Mnemonic Description
Mnemonic
CKRL
Bit
-
6
6
-
-
Bit
X2
-
Reserved
0000b: Division factor equal 32
1111b: Division factor equal 2
M: Division factor equal 2*(16-M)
Description
Reserved
X2 Mode
Set to force X2 mode (CkOut = OscOut)
Clear to use the prescaler mode (CkOut = OscOut / (2*(16-M)))
5
5
-
-
4
4
-
-
3
3
-
2
2
-
M
1
1
-
4311C–8051–02/08
X2
0
0