T89C5115-SISIM Atmel, T89C5115-SISIM Datasheet - Page 96

• Manufacturer Part Number: T89C5115-SISIM
• Description: IC 8051 MCU FLASH 16K 28PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C5115-SISIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: 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: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
-