Toshiba SD-33VB - Page 77

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING
1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL
1) MT1379 main clock is at 27MHz(X501)
3.8V, 27MHz
FIG 1-1
2) MT1379 & MT1336 reset is high active.
PWR_CTL(CN505 PIN 7)
5.2VA
Power Cord in
M_RESET(CN505 PIN 9)
URST(IC501 PIN 188)
FIG 1-2
3-61