Stamp9G45 Clock Characteristics
33
Appendix F. Stamp9G45 Clock
Characteristics
Symbol
Description
Dependency
Tolerance Typical
Value
Unit
MAINCK
Main Oscillator frequency
12.000
MHz
SLCK
Slow Clock
32.768
KHz
PLLACK
PLLA Clock
MAINCK
800.000
MHz
PCK
Processor Clock
PLLACK
400.000
MHz
MCK
Master Clock
PCK
133.000
MHz
DDCK
DDRAM Clock
MCK
266.000
MHz
BCK
Baudrate Clock
MCK
1.5%
8.25(max) MHz
UPLLCK
USB Clock
MAINCK
0.25%
480.000
MHz
Table F.1. Clock Characteristics