AT89C51CC03U-RDRIM Atmel, AT89C51CC03U-RDRIM Datasheet - Page 19

• Manufacturer Part Number: AT89C51CC03U-RDRIM
• Description: IC 8051 MCU FLASH 64K 64VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC03U-RDRIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT89C51CC03URDRTR

Figure 5. Clock CPU Generation Diagram
4182E–CAN–05/04
XTAL1
XTAL2
CKCON.0
X2
÷
2
PCON.1
PD
CKCON1.0
SPIX2
÷
1
0
2
Hardware byte
CKCON0.7
CANX2
CKCON.0
X2B
÷
1
0
X2
2
CKCON0.6
WDX2
On RESET
÷
÷
1
0
2
2
CKCON0.5
PCAX2
÷
1
0
0
1
2
PCON.0
IDL
CKCON0.4
SIX2
÷
1
0
2
CKCON0.3
T2X2
÷
1
0
2
CKCON0.2
T1X2
÷
1
0
2
CPU Core Clock Symbol
CKCON0.1
T0X2
1
0
CLOCK
and ADC
CPU
AT89C51CC03
CPU Core
Clock
Clock Symbol
Peripheral
PERIPH
CLOCK
FT1 Clock
FPca Clock
FUart Clock
FT0 Clock
FSPIClock
FT2 Clock
FCan Clock
FWd Clock
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