ATA6602 ATMEL Corporation, ATA6602 Datasheet - Page 76
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ATA6602
Manufacturer Part Number
ATA6602
Description
LIN and Microcontroller System-In-Package: LIN Transceiver, integrated 5V/50 mA voltage regulator, window watchdog and automotive AVR ATmega88 (8 kBytes Flash); green QFN48 package.
Manufacturer
ATMEL Corporation
Datasheet
1.ATA6602.pdf
(362 pages)
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76
Interrupts
ATA6602/ATA6603
Table 4-25.
T h i s s e c t i o n d e s c r i b e s t h e s p e c i f i c s o f t h e i n t e r r u p t h a n d l i n g a s p e r f o r m e d i n
ATA6602/ATA6603. For a general explanation of the AVR interrupt handling, refer to
Interrupt Handling” on page
The interrupt vectors in ATA6602 and ATA6603 are generally the same, with the following
differences:
• Bit 5, 2..0 - WDP3..0: Watchdog Timer Prescaler 3, 2, 1 and 0
• Each Interrupt Vector occupies two instruction words in ATA6603, and one instruction word in
• In ATA6602 and ATA6603, the Reset Vector is affected by the BOOTRST fuse, and the
WDP3
ATA6602.
Interrupt Vector start address is affected by the IVSEL bit in MCUCR.
The WDP3..0 bits determine the Watchdog Timer prescaling when the Watchdog Timer is
running. The different prescaling values and their corresponding time-out periods are shown
in
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Table
WDP2
4-25.
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Watchdog Timer Prescale Select
WDP1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
36.
WDP0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Number of WDT Oscillator
1024K (1048576) cycles
128K (131072) cycles
256K (262144) cycles
512K (524288) cycles
16K (16384) cycles
32K (32768) cycles
64K (65536) cycles
2K (2048) cycles
4K (4096) cycles
8K (8192) cycles
Cycles
Reserved
Typical Time-out at
V
CC
0.125 s
16 ms
32 ms
64 ms
0.25 s
0.5 s
1.0 s
2.0 s
4.0 s
8.0 s
4921C–AUTO–01/07
= 5.0V
“Reset and
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