AT89C51CC01 Atmel Corporation, AT89C51CC01 Datasheet - Page 140
AT89C51CC01
Manufacturer Part Number
AT89C51CC01
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT89C51CC01.pdf
(167 pages)
2.AT89C51CC01.pdf
(12 pages)
3.AT89C51CC01.pdf
(32 pages)
4.AT89C51CC01.pdf
(29 pages)
Specifications of AT89C51CC01
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
40 MHz
Cpu
8051-12C
Max I/o Pins
34
Uart
1
Can
1
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
62.5
Sram (kbytes)
1.25
Eeprom (bytes)
2048
Self Program Memory
API
Operating Voltage (vcc)
3.0 to 5.5
Timers
4
Isp
UART/CAN
Watchdog
Yes
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140
A/T89C51CC01
Table 117. IPL0 Register
IPL0 (S:B8h)
Interrupt Enable Register
Reset Value = X000 0000b
bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
PPC
PPC
PX1
PX0
PT2
PT1
PT0
Bit
PS
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA Interrupt Priority bit
Refer to PPCH for priority level
Timer 2 Overflow Interrupt Priority bit
Refer to PT2H for priority level.
Serial Port Priority bit
Refer to PSH for priority level.
Timer 1 Overflow Interrupt Priority bit
Refer to PT1H for priority level.
External Interrupt 1 Priority bit
Refer to PX1H for priority level.
Timer 0 Overflow Interrupt Priority bit
Refer to PT0H for priority level.
External Interrupt 0 Priority bit
Refer to PX0H for priority level.
PT2
5
PS
4
PT1
3
PX1
2
PT0
1
4129N–CAN–03/08
PX0
0