Datasheet

219
42023E–SAM–07/2013
ATSAM4L8/L4/L2
13.7 User Interface
Table 13-3. SCIF Register Memory Map
Offset Register Register Name Access Reset
0x0000 Interrupt Enable Register IER Write Only 0x00000000
0x0004 Interrupt Disable Register IDR Write Only 0x00000000
0x0008 Interrupt Mask Register IMR Read Only 0x00000000
0x000C Interrupt Status Register ISR Read Only 0x00000000
0x0010 Interrupt Clear Register ICR Write Only 0x00000000
0x0014 Power and Clocks Status Register PCLKSR Read Only 0x00000000
0x0018 Unlock Register UNLOCK Write Only 0x00000000
0x001C Chip Specific Configuration Register CSCR Read/Write 0x00000000
0x0020 Oscillator Control Register OSCCTRL0 Read/Write 0x00000000
0x0024 PLL0 Control Register PLL0 Read/Write 0x00000000
0x0028 DFLL0 Config Register DFLL0CONF Read/Write 0x00000000
0x002C DFLL Value Register DFLL0VAL Read/Write 0x00000000
0x0030 DFLL0 Multiplier Register DFLL0MUL Read/Write 0x00000000
0x0034 DFLL0 Step Register DFLL0STEP Read/Write 0x00000000
0x0038
DFLL0 Spread Spectrum Generator Control
Register
DFLL0SSG Read/Write 0x00000000
0x003C DFLL0 Ratio Register DFLL0RATIO Read Only 0x00000000
0x0040 DFLL0 Synchronization Register DFLL0SYNC Write Only 0x00000000
0x0044 System RC Oscillator Calibration Register RCCR Read/Write -
(2)
0x0048
4/8/12MHz RC Oscillator Configuration
Register
RCFASTCFG Read/Write 0x00000000
0x004C 4/8/12MHz RC Oscillator Status Register RCFASTSR Read Only 0x00000000
0x0050 80MHz RC Oscillator Register RC80MCR Read/Write 0x00000000
0x0064 High Resolution Prescaler Control Register HRPCR Read/Write
0x0068 Fractional Prescaler Control Register FPCR Read/Write
0x006C Fractional Prescaler Multiplier Register FPMUL Read/Write
0x0070 Fractional Prescaler DIVIDER Register FPDIV Read/Write
0x0074 Generic Clock Control0 GCCTRL0 Read/Write 0x00000000
0x0078 Generic Clock Control1 GCCTRL1 Read/Write 0x00000000
0x007C Generic Clock Control2 GCCTRL2 Read/Write 0x00000000
0x0080 Generic Clock Control3 GCCTRL3 Read/Write 0x00000000
0x0084 Generic Clock Control4 GCCTRL4 Read/Write 0x00000000
0x0088 Generic Clock Control5 GCCTRL5 Read/Write 0x00000000
0x008C Generic Clock Control6 GCCTRL6 Read/Write 0x00000000