AT89C5115 Atmel Corporation, AT89C5115 Datasheet - Page 96

• Manufacturer Part Number: AT89C5115
• Manufacturer: Atmel Corporation

Specifications of AT89C5115

• Flash (kbytes): 16 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 20
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 0.5
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

96
AT89C5115
Table 71. IPH1 Register
IPH1 (S:F7h)
Interrupt high priority Register 1
Reset Value = XXXX X000b
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
POVRH
PADCH
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.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Timer Overrun Interrupt Priority Level Most Significant bit
POVRH
0
0
1
1
ADC Interrupt Priority Level Most Significant bit
PADCH
0
0
1
1
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
PADCL Priority level
POVRLPriority level
0
1
0
1
0
1
0
1
Lowest
Highest
Lowest
Highest
4
-
3
-
POVRH
2
PADCH
1
4128G–8051–02/08
0
-