at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 189

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Figure 21-34. Recommended Procedure to Switch from Slow Clock Mode to Normal Mode or from Normal Mode to Slow
6384B–ATARM–15-Dec-08
internal signal from PMC
Slow Clock Mode
NBS0, NBS1,
NBS2, NBS3,
A0,A1
Clock Mode
A[25:2]
NWE
MCK
NCS
SLOW CLOCK MODE WRITE
1
1
1
IDLE STATE
AT91SAM9G20 Preliminary
Reload Configuration
Wait State
2
NORMAL MODE WRITE
3
2
189