AT89C51CC01UA-SLSUM Atmel, AT89C51CC01UA-SLSUM Datasheet - Page 142

• Manufacturer Part Number: AT89C51CC01UA-SLSUM
• Description: IC 8051 MCU FLASH 32K 44-PLCC
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC01UA-SLSUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 1.25K 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-PLCC
• Package: 44PLCC
• Device Core: 8051
• Family Name: 89C
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: CAN/UART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Processor Series: AT89x
• Core: 8051
• Data Ram Size: 1280 B
• Maximum Clock Frequency: 40 MHz
• 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
• Cpu Family: AT89
• Device Core Size: 8b
• Frequency (max): 40MHz
• Total Internal Ram Size: 1.25KB
• # I/os (max): 34
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PLCC
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT89C51CC01UASLSUM

142
A/T89C51CC01
Table 119. IPH0 Register
IPH0 (B7h)
Interrupt High Priority Register
Reset Value = X000 0000b
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
PPCH
PPCH
PT2H
PT1H
PX1H
PT0H
PX0H
PSH
Bit
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA Interrupt Priority Level Most Significant bit
PPCH PPC
0
0
1
1
Timer 2 Overflow Interrupt High Priority bit
PT2H PT2
0
0
1
1
Serial Port High Priority bit
PSH
0
0
1
1
Timer 1 Overflow Interrupt High Priority bit
PT1H PT1
0
0
1
1
External Interrupt 1 High Priority bit
PX1H PX1
0
0
1
1
Timer 0 Overflow Interrupt High Priority bit
PT0H PT0
0
0
1
1
External Interrupt 0 high priority bit
PX0H PX0
0
0
1
1
PT2H
5
PS
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Priority level
Lowest
Highest priority
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
PSH
4
PT1H
3
PX1H
2
PT0H
1
4129N–CAN–03/08
PX0H
0