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| SAM4L Datasheet, PDF (453/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU | |||
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ATSAM4L4/L2
19.6 User Interface
Table 19-1.
Offset
0x00
0x04
0x08
0x0C
0x10
0x14
0x18
0x1C
0x20
0x24
0x30
0x34
0x40
0x44
0x48
0x4C
0x50
0x54
0xF0
0xFC
AST Register Memory Map
Register
Control Register
Counter Value
Status Register
Status Clear Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Wake Enable Register
Alarm Register 0(2)
Alarm Register 1(2)
Periodic Interval Register 0(2)
Periodic Interval Register 1(2)
Clock Control Register
Digital Tuner Register
Event Enable
Event Disable
Event Mask
Calendar Value
Parameter Register
Version Register
Register Name
CR
CV
SR
SCR
IER
IDR
IMR
WER
AR0
AR1
PIR0
PIR1
CLOCK
DTR
EVE
EVD
EVM
CALV
PARAMETER
VERSION
Access
Read/Write
Read/Write
Read-only
Write-only
Write-only
Write-only
Read-only
Read/write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Write-only
Write-only
Read-only
Read/Write
Read-only
Read-only
Reset
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
-(1)
-(1)
Note:
1. The reset values are device specific. Refer to the Module Configuration section at the end of this chapter.
2. The number of Alarm and Periodic Interval registers are device specific. Refer to the Module Configuration section at the
end of this chapter.
42023CâSAMâ02/2013
453
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