AT89C5132-ROTUL Atmel, AT89C5132-ROTUL Datasheet - Page 42

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

Specifications of AT89C5132-ROTUL

• 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
• Cpu Family: 89C
• Device Core: 8051
• Device Core Size: 8b
• Frequency (max): 40MHz
• Interface Type: IDE/SPI/UART/USB
• Total Internal Ram Size: 2.25KB
• # I/os (max): 44
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3V
• Operating Supply Voltage (max): 3.3V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 2-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: TQFP
• Package: 80TQFP
• Family Name: 89C
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 3 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 44
• Number Of Timers: 2
• Maximum Clock Frequency: 20 MHz
• Data Ram Size: 2304 B
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 2
• Height: 1.45 mm
• Length: 14.1 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 2.7 V
• Width: 14.1 mm
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS 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