AT89C51CC02UA-RATUM Atmel, AT89C51CC02UA-RATUM Datasheet - Page 17

• Manufacturer Part Number: AT89C51CC02UA-RATUM
• Description: IC 8051 MCU 16K FLASH 32-VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC02UA-RATUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 512 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: 32-TQFP, 32-VQFP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 20
• Number Of Timers: 1
• Operating Supply Voltage: 3 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: CANADAPT28
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3. Clock CPU Generation Diagram
4126L–CAN–01/08
XTAL1
XTAL2
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
AT/T89C51CC02
FT1 Clock
FPca Clock
FT0 Clock
FUart Clock
FT2 Clock
FCan Clock
FWd Clock
CPU Core
Clock
CLOCK
and ADC
CPU
PERIPH
CLOCK
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