T89C5115-TISUM Atmel, T89C5115-TISUM Datasheet - Page 94

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

Specifications of T89C5115-TISUM

• 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-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 89C5115-TISUM

94
AT89C5115
Table 69. IPL1 Register
IPL1 (S:F8h)
Interrupt Priority Low Register 1
Reset Value = XXXX X000b
bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
POVRL
PADCL
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 Less Significant bit
Refer to PI2CH for priority level.
ADC Interrupt Priority Level Less Significant bit
Refer to PSPIH for priority level.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
4
-
3
-
POVRL
2
PADCL
1
4128G–8051–02/08
0
-