AT89C51CC03 Atmel Corporation, AT89C51CC03 Datasheet - Page 165

• Manufacturer Part Number: AT89C51CC03
• Manufacturer: Atmel Corporation

Specifications of AT89C51CC03

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 37
• Spi: 1
• Uart: 1
• Can: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 2.25
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART/CAN
• Watchdog: Yes

4182O–CAN–09/08
Table 113. IPL1 Register
IPL1 (S:F8h)
Interrupt Priority Low Register 1
Reset Value = XXXX 0000b
bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
POVRL
PADCL
PCANL
SPIL
Bit
6
-
-
-
-
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
SPI Interrupt Priority Level Less Significant Bit
Refer to SPIH for priority level.
Timer Overrun Interrupt Priority Level Less Significant Bit
Refer to PI2CH for priority level.
ADC Interrupt Priority Level Less Significant Bit
Refer to PSPIH for priority level.
CAN Interrupt Priority Level Less Significant Bit
Refer to PKBH for priority level.
5
-
4
-
SPIL
3
POVRL
AT89C51CC03
2
PADCL
1
PCANL
0
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