AT89C51CC03 Atmel Corporation, AT89C51CC03 Datasheet - Page 167

• 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 115. IPH1 Register
IPH1 (S:F7h)
Interrupt High Priority Register 1
Reset Value = XXXX 0000b
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
POVRH
PADCH
PCANH
SPIH
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 Most Significant bit
SPIH SPIL Priority level
0
0
1
1
Timer overrun Interrupt Priority Level Most Significant bit
POVRH POVRL Priority level
0
0
1
1
ADC Interrupt Priority Level Most Significant bit
PADCH PADCL Priority level
0
0
1
1
CAN Interrupt Priority Level Most Significant bit
PCANH PCANL Priority level
0
0
1
1
5
-
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Lowest
Highest
Lowest
Highest
Lowest
Highest
Lowest
Highest
4
-
SPIH
3
POVRH
AT89C51CC03
2
PADCH
1
PCANH
0
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