AT89C51CC03CA-RLTUM Atmel, AT89C51CC03CA-RLTUM Datasheet - Page 21

• Manufacturer Part Number: AT89C51CC03CA-RLTUM
• Description: IC 8051 MCU 64K FLASH 44-VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC03CA-RLTUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, 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: 44-TQFP, 44-VQFP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2304 B
• Interface Type: UART, SPI
• Maximum Clock Frequency: 60 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 2
• 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
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Package: 44VQFP
• Device Core: 8051
• Family Name: AT89
• Maximum Speed: 60 MHz
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4182O–CAN–09/08
Table 3. CKCON1 Register
CKCON1 (S:9Fh)
Clock Control Register 1
Note:
Reset Value = 0000 0000b
Number
Bit
7-1
7
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
SPIX2
Bit
6
-
Reserved
The value read from these bits is indeterminate. Do not set these bits.
SPI clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
5
(1)
4
3
AT89C51CC03
2
1
SPIX2
0
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