taskit Panel-Card, Technical Reference

Page: 47 / 50

Panel-Card Clock Characteristics
41
Appendix F. Panel-Card Clock
Characteristics
Symbol Description Parameter DependencyTolerance Typical
Value
Unit
MAINCK Main Oscillator frequency 18.432 MHz
SLCK Slow Clock 32.768 KHz
PLLACK PLLA Clock MAINCK 199.987 MHz
PCK Processor Clock PLLACK 199.987 MHz
MCK Master Clock PCK 99.994 MHz
SDCK SDRAM Clock MCK 99.994 MHz
BCK Baudrate Clock MCK 1.5% 6.250 (max) MHz
PLLBCK PLLB Clock MAINCK 96.110 MHz
USBCK USB Clock PLLBCK 0.25% 48.005 MHz
ET035005DM6 MCK 6.250 MHz
ET057011DHU MCK 6.250 MHz
LCDCK LCD Dot Clock
ET057009DHU MCK 24.999 MHz
Table F.1. Clock Characteristics