AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 41

• 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

4173E–USB–09/07
Table 37. IPH1 Register
IPH1 (S:B3h) – Interrupt Priority High Register 1
Reset Value = 0000 0000b
Bit Number
7
7
6
5
4
3
2
1
0
-
Mnemonic
IPHMMC
IPHUSB
IPHUSB
IPHADC
IPHSPI
IPHI2C
IPHKB
Bit
6
-
-
Description
Reserved
The value read from this bit is always 0. Do not set this bit.
USB Interrupt Priority Level MSB
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 MSB
Refer to Table 33 for priority level description.
A to D Converter Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
SPI Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
Two Wire Controller Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
MMC Interrupt Priority Level MSB
Refer to Table 33 for priority level description.
5
–
IPHKB
4
IPHADC
3
IPHSPI
2
AT89C5132
IPHI2C
1
IPHMMC
0
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