2HA/2HB
2-3-2
Main PWB
EPWB
2-3-4
CCDPWB
MPWB
EGIRN
SBSY
SDIR
RSTN
SCKN
EGSI
EGSO
KYE
SCAN
LEDON
LCDD
OPWB
LCDRS
LCDEN
LCDR_W
SBSY
SDIR
EGIRN
RSTN
EGSO
PRN
SCKN
PWB
EGSI
PDN
SAMPLE
VDATAN
OVSYNK
PDMASKN
OUTPEN
PLGCLK
PLGCLK
PLGDR
PLGRDYN
24V4
Figure 2-3-3 Main PWB block diagram
12V
5V
ASIC1
ASIC2
PDN
SAMPLE
VDATAN
SELECTOR
OUTPEN
PDN
LSU
VDATAN
SAMPLE
5V
3.3V
2.5V
CPU
5V1