AT89C5132-RORUL Atmel, AT89C5132-RORUL Datasheet - Page 43

• Manufacturer Part Number: AT89C5132-RORUL
• Description: MCU 8051 FLASH USB 80TQFP
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5132-RORUL

• 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: Lead free / RoHS Compliant

4173E–USB–09/07
Table 39. IPL1 Register
IPL1 (S:B2h) – Interrupt Priority Low Register 1
Reset Value = 0000 0000b
Bit Number
7
7
6
5
4
3
2
1
0
-
Mnemonic
IPLMMC
IPLUSB
IPLUSB
IPLADC
IPLSPI
IPLI2C
IPLKB
Bit
6
-
-
Description
Reserved
The value read from this bit is always 0. Do not set this bit.
USB Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
Reserved
The value read from this bit is always 0. Do not set this bit.
Keyboard Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
A to D Converter Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
SPI Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
Two Wire Controller Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
MMC Interrupt Priority Level LSB
Refer to Table 33 for priority level description.
5
-
IPLKB
4
IPLADC
3
IPLSPI
2
AT89C5132
IPLI2C
1
IPLMMC
0
43