AT89C51CC02 Atmel Corporation, AT89C51CC02 Datasheet - Page 19
AT89C51CC02
Manufacturer Part Number
AT89C51CC02
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT89C51CC02.pdf
(7 pages)
2.AT89C51CC02.pdf
(159 pages)
3.AT89C51CC02.pdf
(33 pages)
4.AT89C51CC02.pdf
(29 pages)
Specifications of AT89C51CC02
Flash (kbytes)
16 Kbytes
Max. Operating Frequency
40 MHz
Cpu
8051-12C
Max I/o Pins
20
Uart
1
Can
1
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
62.5
Sram (kbytes)
0.5
Eeprom (bytes)
2048
Self Program Memory
API
Operating Voltage (vcc)
3.0 to 5.5
Timers
4
Isp
UART/CAN
Watchdog
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51CC02CA-SISUM
Manufacturer:
Atmel
Quantity:
972
Part Number:
AT89C51CC02CA-SISUM
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89C51CC02CA-TISUM
Manufacturer:
Atmel
Quantity:
1 492
Company:
Part Number:
AT89C51CC02CA-UM
Manufacturer:
AD
Quantity:
10
Company:
Part Number:
AT89C51CC02UA-RATUM
Manufacturer:
Atmel
Quantity:
1 845
Company:
Part Number:
AT89C51CC02UA-UM
Manufacturer:
NEDI
Quantity:
4
Register
4126L–CAN–01/08
Table 12. CKCON Register
CKCON (S:8Fh)
Clock Control Register
Note:
Reset Value = 0000 0000b
Number
CANX2
Bit
7
7
6
5
4
3
2
1
0
1. This control bit is validated when the CPU clock bit X2 is set; when X2 is low, this bit
has no effect.
Mnemonic Description
WDX2
CANX2
PCAX2
WDX2
T2X2
T1X2
T0X2
SIX2
Bit
X2
6
CAN Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Watchdog Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Programmable Counter Array Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Enhanced UART clock (MODE 0 and 2)
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer 2 Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer 1 Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer 0 Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
CPU Clock
Clear to select 12 clock periods per machine cycle (STD mode) for CPU and all
the peripherals.
Set to select 6 clock periods per machine cycle (X2 Mode) and to enable the
individual peripherals ’X2’ bits.
PCAX2
5
(1)
(1)
(1)
(1)
SIX2
(1)
4
T2X2
3
(1)
AT/T89C51CC02
(1)
T1X2
2
T0X2
1
X2
0
19