AT83C5135 Atmel Corporation, AT83C5135 Datasheet - Page 64
AT83C5135
Manufacturer Part Number
AT83C5135
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT83C5134.pdf
(166 pages)
Specifications of AT83C5135
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)
16
Watchdog
Yes
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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
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