AT89C51CC02UA-RATUM Atmel, AT89C51CC02UA-RATUM Datasheet - Page 138
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AT89C51CC02UA-RATUM
Manufacturer Part Number
AT89C51CC02UA-RATUM
Description
IC 8051 MCU 16K FLASH 32-VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheet
1.T89C51CC02CA-TDSIM.pdf
(159 pages)
Specifications of AT89C51CC02UA-RATUM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
20
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
512 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
32-TQFP, 32-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
20
Number Of Timers
1
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
Development Tools By Supplier
CANADAPT28
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51CC02UA-RATUM
Manufacturer:
Atmel
Quantity:
1 845
138
AT/T89C51CC02
Table 112. 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 Priority level
0
0
1
1
Timer 2 Overflow Interrupt High Priority bit
PT2H PT2 Priority Level
0
0
1
1
Serial Port High Priority bit
PSH
0
0
1
1
Timer 1 Overflow Interrupt High Priority bit
PT1H PT1 Priority Level
0
0
1
1
External Interrupt 1 High Priority bit
PX1H PX1 Priority Level
0
0
1
1
Timer 0 Overflow Interrupt High Priority bit
PT0H PT0 Priority Level
0
0
1
1
External Interrupt 0 High Priority bit
PX0H PX0 Priority Level
0
0
1
1
PT2H
5
0
1
0
1
0
1
0
1
PS
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Lowest
Highest priority
Lowest
Highest
Priority Level
Lowest
Highest
Lowest
Highest
Lowest
Highest
Lowest
Highest
Lowest
Highest
PSH
4
PT1H
3
PX1H
2
PT0H
1
4126L–CAN–01/08
PX0H
0