AT89C51CC03U-RDRIM Atmel, AT89C51CC03U-RDRIM Datasheet - Page 158

• 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

158
AT89C51CC03
Table 105. ADCLK Register
ADCLK (S:F2h)
ADC Clock Prescaler
Reset Value = XXX0 0000b
Note:
Table 106. ADDH Register
ADDH (S:F5h Read Only)
ADC Data High Byte Register
Reset Value = 00h
Table 107. ADDL Register
ADDL (S:F4h Read Only)
ADC Data Low Byte Register
Number
Number
ADAT 9
Bit
Bit
7-5
4-0
7-0
7
7
7
-
-
1. In X1 mode:
For PRS > 0 F
For PRS = 0 F
In X2 mode:
For PRS > 0 F
For PRS = 0 F
Mnemonic Description
Mnemonic Description
ADAT 8
ADAT9:2
PRS4:0
Bit
Bit
6
6
6
-
-
-
Reserved
The value read from these bits are indeterminate. Do not set these bits.
Clock Prescaler
See Note
ADC result
bits 9-2
ADAT 7
ADC
ADC
ADC
ADC
5
5
5
-
-
= FXTAL
= FXTAL
= FXTAL
= FXTAL
4xPRS
128
2xPRS
64
(1)
ADAT 6
PRS 4
4
4
4
-
ADAT 5
PRS 3
3
3
3
-
ADAT 4
PRS 2
2
2
2
-
4182O–CAN–09/08
ADAT 3
ADAT 1
PRS 1
1
1
1
ADAT 0
ADAT 2
PRS 0
0
0
0