T89C51CC01 Atmel, T89C51CC01 Datasheet - Page 18

• Manufacturer Part Number: T89C51CC01
• Description: Enhanced 8-Bit Microcontroller
• Manufacturer: Atmel

Figure 5. Clock CPU Generation Diagram
18
XTAL1
XTAL2
T89C51CC01
CKCON.0
÷
X2
2
PCON.1
PD
CKCON.7
CANX2
÷
1
0
2
Hardware byte
CKCON.6
CKCON.0
WDX2
X2B
X2
÷
1
0
2
CKCON.5
PCAX2
On RESET
÷
÷
1
0
2
2
CKCON.4
SIX2
0
1
÷
1
0
2
PCON.0
IDL
CKCON.3
T2X2
÷
1
0
2
CKCON.2
T1X2
÷
1
0
2
CKCON.1
T0X2
1
0
CPU Core Clock Symbol
Peripheral Clock Symbol
FT1 Clock
FPca Clock
FT0 Clock
FUart Clock
FT2 Clock
FCan Clock
FWd Clock
CPU Core
Clock
CLOCK
and ADC
CPU
PERIPH
CLOCK
4129K–CAN–01/05