Panasonic SA-HT920P Service Manual page 40

XCDROM X CD ROM CHIP SELECT
XCS X CHIP SELECT
XCSYNC X COMPOSITE SYNC
XDS X DATA STROBE
XHSYNCO X HORIZONTAL SYNC OUTPUT
XHINT XH INTERRUPTREQUEST
XI X TAL OSCILLATOR INPUT
XINT X INTERRUPT
X XMW X MEMORY WRITE ENABLE
XO X TAL OSCILLATOR OUTPUT
XRE X READ ENABLE
XSRMCE X SRAM CHIP ENABLE
XSRMOE X SRAM OUTPUT ENABLE
XSRMWE X SRAM WRITE ENABLE
XVCS X V-DEC CHIPSELECT
XVDS X V-DEC CONTROL BUS STROBE
XVSYNCO X VERTICAL SYNC OUTPUT