12.1 SAM C20/C21 N

Table 12-1. Peripherals Configuration Summary SAM C21 N
Peripheral Name Base Address IRQ Line AHB Clock APB Clock Generic Clock PAC Events DMA
Index Enabled at Reset Index Enabled at Reset Index Index Prot at Reset User Generator Index Sleep

Walking
AHB-APB
 Bridge A 0x40000000 0 Y N/A
PAC 0x40000000 0 10 Y 0 Y 0 N 86 : ACCERR N/A
PM 0x40000400 0 1 Y 1 N N/A
MCLK 0x40000800 0 2 Y 2 N Y
RSTC 0x40000C00 3 Y 3 N N/A
OSCCTRL 0x40001000 0 4 Y 0: FDPLL96M clk source

1: FDPLL96M 32kHz

 4 N 1: XOSC_FAIL Y
OSC32KCTRL 0x40001400 0 5 Y 5 N 2: XOSC32K_FAIL Y
SUPC 0x40001800 0 6 Y 6 N N/A
GCLK 0x40001C00 7 Y 7 N N/A
WDT 0x40002000 1 8 Y 8 N Y
RTC 0x40002400 2 9 Y 9 N

3: CMP0/ALARM0


4: CMP1

5: OVF5-1

6:13: PER0-7

 Y
EIC 0x40002800 3,

NMI

 10 Y 2 10 N 14-29: EXTINT0-16 Y
FREQM 0x40002C00 4 11 Y 3: Measure

4: Reference

 11 N N/A
TSENS 0x40003000 5 12 N 5 12 N 0: START 30: WINMON 1: RESRDY A
AHB-APB
 Bridge B 0x41000000 1 Y N/A
PORT 0x41000000 0 Y 0 N 1-4 : EV0-3 Y
DSU 0x41002000 3 Y 1 Y 1 Y N/A
NVMCTRL 0x41004000 6 5 Y 2 Y 39 2 N Y
DMAC 0x41006000 7 7 Y 3 N 5-8: CH0-3 31-34: CH0-3 Y
MTB 0x41008000 N 45: START

46: STOP

 N/A
AHB-APB
 Bridge C 0x42000000 2 Y N/A
EVSYS 0x42000000 8 0 N 6-17: one per CHANNEL 0 N Y
SERCOM0 0x42000400 9 1 N

19: CORE


18: SLOW

 1 N 2: RX

3: TX

 Y
SERCOM1 0x42000800 10 2 N

20: CORE


18: SLOW

 2 N 4: RX

5: TX

 Y
SERCOM2 0x42000C00 11 3 N

21: CORE


18: SLOW

 3 N 6: RX

7: TX

 Y
SERCOM3 0x42001000 12 4 N

22: CORE


18: SLOW

 4 N 8: RX

9: TX

 Y
SERCOM4 0x42001400 13 5 N

23: CORE


18: SLOW

 5 N 10: RX

11: TX

 Y
SERCOM5 0x42001800 14 6 N

25: CORE


24: SLOW

 6 N 12: RX

13: TX

 Y
CAN0 0x42001C00 15 8 N 26 7 14: DEBUG N/A
CAN1 0x42002000 16 9 N 27 8 15: DEBUG N/A
TCC0 0x42002400 17 9 N 28 9 N 9-10: EV0-1

11-14: MC0-3

 35: OVF

36: TRG

37: CNT
38-41: MC0-3

 16: OVF

17-20: MC0-3

 Y
TCC1 0x42002800 18 10 N 28 10 N 15-16: EV0-1

17-18: MC0-1

 42: OVF

43: TRG

44: CNT
45-46: MC0-1

 21: OVF

22-23: MC0-1

 Y
TCC2 0x42002C00 19 11 N 29 11 N 19-20: EV0-1

21-22: MC0-1

 47: OVF

48: TRG

49: CNT
50-51: MC0-1

 24: OVF

25-26: MC0-1

 Y
TC0 0x42003000 20 12 N 30 12 N 23: EVU

52: OVF


53-54: MC0-1

 27: OVF

28-29: MC0-1

 Y
TC1 0x42003400 21 13 N 30 13 N 24: EVU

55: OVF


56-57: MC0-1

 30: OVF

31-32: MC0-1

 Y
TC2 0x42003800 22 14 N 31 14 N 25: EVU

58: OVF


59-60: MC0-1

 33: OVF

34-35: MC0-1

 Y
TC3 0x42003C00 23 15 N 31 15 N 26: EVU

61: OVF


62-63: MC0-1

 36: OVF

37-38: MC0-1

 Y
TC4 0x42004000 24 16 N 32 16 N 27: EVU

64: OVF


65-66: MC0-1

 39: OVF

40-41: MC0-1

 Y
ADC0 0x42004400 25 17 N 33 17 N 28: START
29: SYNC

67: RESRDY


68: WINMON

 42: RESRDY Y
ADC1 0x42004800 26 18 N 34 18 N 30: START
31: SYNC

69: RESRDY


70: WINMON

 43: RESRDY Y
SDADC 0x42004C00 29 19 N 35 19 N 32: START
33: FLUSH

71: RESRDY


72: WINMON

 44: RESRDY Y
AC 0x42005000 27 20 N 40 20 N 34-37: SOC0-3

73-76: COMP0-3


77-78: WIN0-1

 Y
DAC 0x42005400 28 21 N 36 21 N 38: START 79: EMPTY 45: EMPTY Y
PTC 0x42005800 30 22 N 37 22 N 39: STCONV

80: EOC


81: WCOMP

 EOC: 46

WCOMP: 47

SEQ: 48
CCL 0x42005C00 23 N 38 23 N 40-43 : LUTIN0-3 82-85: LUTOUT0-3 Y
AHB-APB
 Bridge D 0x43000000 13 Y 0 N/A
SERCOM6 0x43000000 9 0 N

41: CORE

18: SLOW

 0 N

49: RX

50: TX

 Y
SERCOM7 0x43000400 10 1 N

42: CORE

18: SLOW

 1 N

51: RX

52: TX

 Y
TC5 0x43000800 20 2 N 43 2 N 47: EVU

88: OVF

89-90: MC0-1

53: OVF

54-55: MC0-1

 Y
TC6 0x43000C00 21 3 N 44 3 N 48:EVU

91: OVF

92-93: MC0-1

56: OVF

57-58: MC0-1

 Y
TC7 0x43001000 22 4 N 45 4 N 49:EVU

94: OVF

95-96: MC0-1

59: OVF

60-61: MC0-1

 Y
DIVAS 0x48000000 12 Y N/A
Table 12-2. Peripherals Configuration Summary SAM C20 N
Peripheral Name Base Address IRQ Line AHB Clock APB Clock Generic Clock PAC Events DMA
Index Enabled at Reset Index Enabled at Reset Index Index Prot at Reset User Generator Index Sleep

Walking
AHB-APB
 Bridge A 0x40000000 0 Y N/A
PAC 0x40000000 0 10 Y 0 Y 0 N 86 : ACCERR N/A
PM 0x40000400 0 1 Y 1 N N/A
MCLK 0x40000800 0 2 Y 2 N Y
RSTC 0x40000C00 3 Y 3 N N/A
OSCCTRL 0x40001000 0 4 Y 0: FDPLL96M clk source

1: FDPLL96M 32kHz

 4 N 1: XOSC_FAIL Y
OSC32KCTRL 0x40001400 0 5 Y 5 N 2: XOSC32K_FAIL Y
SUPC 0x40001800 0 6 Y 6 N N/A
GCLK 0x40001C00 7 Y 7 N N/A
WDT 0x40002000 1 8 Y 8 N Y
RTC 0x40002400 2 9 Y 9 N

3: CMP0/ALARM0


4: CMP1

5: OVF5-1

6:13: PER0-7

 Y
EIC 0x40002800 3,

NMI

 10 Y 2 10 N 14-29: EXTINT0-15 Y
FREQM 0x40002C00 4 11 Y 3: Measure

4: Reference

 11 N N/A
AHB-APB
 Bridge B 0x41000000 1 Y N/A
PORT 0x41000000 0 Y 0 N 1-4 : EV0-3 Y
DSU 0x41002000 3 Y 1 Y 1 Y N/A
NVMCTRL 0x41004000 6 5 Y 2 Y 39 2 N Y
DMAC 0x41006000 7 7 Y 3 N 5-8: CH0-3 31-34: CH0-3 Y
MTB 0x41008000 N 45: START

46: STOP

 N/A
AHB-APB
 Bridge C 0x42000000 2 Y N/A
EVSYS 0x42000000 8 0 N 6-17: one per CHANNEL 0 N Y
SERCOM0 0x42000400 9 1 N

19: CORE


18: SLOW

 1 N 2: RX

3: TX

 Y
SERCOM1 0x42000800 10 2 N

20: CORE


18: SLOW

 2 N 4: RX

5: TX

 Y
SERCOM2 0x42000C00 11 3 N

21: CORE


18: SLOW

 3 N 6: RX

7: TX

 Y
SERCOM3 0x42001000 12 4 N

22: CORE


18: SLOW

 4 N 8: RX

9: TX

 Y
SERCOM4 0x42001400 13 5 N

23: CORE


18: SLOW

 5 N 10: RX

11: TX

 Y
SERCOM5 0x42001800 14 6 N

25: CORE


24: SLOW

 6 N 12: RX

13: TX

 Y
TCC0 0x42002400 17 9 N 28 9 N 9-10: EV0-1

11-14: MC0-3

 35: OVF

36: TRG

37: CNT
38-41: MC0-3

 16: OVF

17-20: MC0-3

 Y
TCC1 0x42002800 18 10 N 28 10 N 15-16: EV0-1

17-18: MC0-1

 42: OVF

43: TRG

44: CNT
45-46: MC0-1

 21: OVF

22-23: MC0-1

 Y
TCC2 0x42002C00 19 11 N 29 11 N 19-20: EV0-1

21-22: MC0-1

 47: OVF

48: TRG

49: CNT
50-51: MC0-1

 24: OVF

25-26: MC0-1

 Y
TC0 0x42003000 20 12 N 30 12 N 23: EVU

52: OVF


53-54: MC0-1

 27: OVF

28-29: MC0-1

 Y
TC1 0x42003400 21 13 N 30 13 N 24: EVU

55: OVF


56-57: MC0-1

 30: OVF

31-32: MC0-1

 Y
TC2 0x42003800 22 14 N 31 14 N 25: EVU

58: OVF


59-60: MC0-1

 33: OVF

34-35: MC0-1

 Y
TC3 0x42003C00 23 15 N 31 15 N 26: EVU

61: OVF


62-63: MC0-1

 36: OVF

37-38: MC0-1

 Y
TC4 0x42004000 24 16 N 32 16 N 27: EVU

64: OVF


65-66: MC0-1

 39: OVF

40-41: MC0-1

 Y
ADC0 0x42004400 25 17 N 33 17 N 28: START
29: SYNC

67: RESRDY


68: WINMON

 42: RESRDY Y
AC 0x42005000 27 20 N 40 20 N 34-37: SOC0-3

73-76: COMP0-3


77-78: WIN0-1

 Y
PTC 0x42005800 30 22 N 37 22 N 39: STCONV

80: EOC


81: WCOMP

 EOC: 46

WCOMP: 47

SEQ: 48
CCL 0x42005C00 23 N 38 23 N 40-43 : LUTIN0-3 82-85: LUTOUT0-3 Y
AHB-APB
 Bridge D 0x43000000 13 Y 0 N/A
SERCOM6 0x43000000 9 0 N

41: CORE

18: SLOW

 0 N

49: RX

50: TX

 Y
SERCOM7 0x43000400 10 1 N

42: CORE

18: SLOW

 1 N

51: RX

52: TX

 Y
TC5 0x43000800 20 2 N 43 2 N 47: EVU

88: OVF

89-90: MC0-1

53: OVF

54-55: MC0-1

 Y
TC6 0x43000C00 21 3 N 44 3 N 48:EVU

91: OVF

92-93: MC0-1

56: OVF

57-58: MC0-1

 Y
TC7 0x43001000 22 4 N 45 4 N 49:EVU

94: OVF

95-96: MC0-1

59: OVF

60-61: MC0-1

 Y
DIVAS 0x48000000 12 Y N/A