AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 40

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

40
AT89C5132
Table 10-1.
Reset Value = X000 0000b
Bit Number
7
7
6
5
4
3
2
1
0
-
Mnemonic
IPHAUD
IPHAUD
IPH0 Register
IPH0 (S:B7h) – Interrupt Priority High Register 0
IPHMP3
IPHX1
IPHX0
IPHT1
IPHS
Bit
6
-
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Audio Interface Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
MP3 Decoder Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
Serial Port Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
Timer 1 Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
External Interrupt 1 Priority Level MSB
Refer to Table 33 for priority level description.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
External Interrupt 0 Priority Level MSB
Refer to Table 33 for priority level description.
5
–
IPHS
4
IPHT1
3
IPHX1
2
IPHT0
1
4173E–USB–09/07
IPHX0
0