AT89C5132-ROTIL Atmel, AT89C5132-ROTIL Datasheet - Page 42

• Manufacturer Part Number: AT89C5132-ROTIL
• Description: IC 8051 MCU FLASH 64K USB 80TQFP
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5132-ROTIL

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: IDE/ATAPI, I²C, MMC, PCM, SPI, UART/USART, USB
• Peripherals: I²S, POR, WDT
• Number Of I /o: 44
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

42
AT89C5132
Table 38. IPL0 Register
IPL0 (S:B8h) – Interrupt Priority Low Register 0
Reset Value = X000 0000b
Bit Number
7
7
6
5
4
3
2
1
0
-
Mnemonic
IPLAUD
IPLAUD
IPLMP3
IPLX1
IPLX0
IPLT1
IPLT0
IPLS
Bit
6
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Audio Interface Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
MP3 Decoder Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
Serial Port Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
Timer 1 Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
External Interrupt 1 Priority Level LSB
Refer to Table 33 for priority level description.
Timer 0 Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
External Interrupt 0 Priority Level LSB
Refer to Table 33 for priority level description.
5
–
IPLS
4
IPLT1
3
IPLX1
2
IPLT0
1
4173E–USB–09/07
IPLX0
0