atmega32c1 ATMEL Corporation, atmega32c1 Datasheet - Page 149

• Manufacturer Part Number: atmega32c1
• Description: Atmega32m1 Automotive 8-bit Avr Microcontroller With 32k/64k Bytes In-system Programmable Flash
• Manufacturer: ATMEL Corporation

14.15 Interrupts
14.15.1
14.15.2
14.16 PSC Register Definition
14.16.1
7647A–AVR–02/08
Interrupt Vector
PSC Interrupt Vectors in ATmega32/64/M1/C1
PSC Output Configuration – POC
Table 14-6.
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
ATmega32/64/M1/C1.
PSC provides 2 interrupt vectors:
•
•
Table 14-7.
Registers are explained for PSC module 0. They are identical for module 1 and module 2.
Bit
Read/Write
Initial Value
• Bit 7 – not use
not use
PCLKSELn
0
1
1
1
1
Vector
No.
PSC_End (End of Cycle): When enabled and when a match with POCR_RB occurs
PSC_Fault (Fault Event): When enabled and when a PSC input detects a Fault event.
5
6
-
-
-
Program
Address
0x0004
0x0005
Output Clock versus Selection and Prescaler
PSC Interrupt Vectors
-
-
-
R/W
7
0
-
PPREn1
1
0
0
1
1
Source
PSC_Fault
PSC_End
-
R/W
6
0
-
POEN2B
-
-
R/W
PPREn0
1
0
1
0
1
5
0
POEN2A
R/W
4
0
Interrupt Definition
-
PSC Fault event
PSC End of Cycle
-
-
POEN1B
R/W
CLKPSCn output
CLK I/O / 256
CLK PLL
CLK PLL / 4
CLK PLL / 32
CLK PLL / 256
3
0
ATmega32/64/M1/C1
POEN1A
R/W
2
0
POEN0B
R/W
1
0
POEN0A
R/W
0
0
POC
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