AT83C5134 Atmel Corporation, AT83C5134 Datasheet - Page 64

• Manufacturer Part Number: AT83C5134
• Manufacturer: Atmel Corporation

Specifications of AT83C5134

• Max. Operating Frequency: 32 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 512
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 4
• Mask Rom (kbytes): 8
• Watchdog: Yes

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AT83C5134/35/36
Table 16-3.
IPL0 - Interrupt Priority Register (B8h)
Reset Value = x000 0000b
Bit addressable
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
IPL0 Register
PPCL
PX1L
PX0L
PT2L
PT1L
PT0L
PPCL
PSL
Bit
-
6
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA interrupt Priority bit
Refer to PPCH for priority level.
Timer 2 overflow interrupt Priority bit
Refer to PT2H for priority level.
Serial port Priority bit
Refer to PSH for priority level.
Timer 1 overflow interrupt Priority bit
Refer to PT1H for priority level.
External interrupt 1 Priority bit
Refer to PX1H for priority level.
Timer 0 overflow interrupt Priority bit
Refer to PT0H for priority level.
External interrupt 0 Priority bit
Refer to PX0H for priority level.
PT2L
5
PSL
4
PT1L
3
PX1L
2
PT0L
1
7683C–USB–11/07
PX0L
0