Details And Waveforms On System Test And Debugging - LG DP170 Service Manual

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING

1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL
1) MT1389 main clock is at 27MHz(X500)
2. SDRAM CLOCK
1) MT1389 main clock is at 27MHz(X501)
FIG 1-1
DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V
FIG 2-1
3-19
3.8V, 27MHz
(IC500 PIN 229, 228)