Hitachi C15-LC880SNT Service Manual page 31

INFORMATION OF ICS
IC GM5221 PQFP-208 (Miscellaneous)
Pin No. Pin Name
1 ROM-DATA3
2 ROM-DATA2
3 ROM-DATA1
4 ROM-DATA0
5 ROM-OEn
6 ROM-WEn
7 ROM-CSN
8,42,51, CRV
SS
74,76,87,
94,97,
140,180
9,41,75, CV _18 Cord
DD
86,96,
139,179
10,57,58, RESERVED
59,60,61,
62,63,65,
70,135,
155,167
50,73,95 RV _33
DD
52,53,54, N.C.
104,105,
157,158,
159,160,
161,162
External ROM DATA3
External ROM DATA2
External ROM DATA1
External ROM DATA0
External ROM Output Enable
External ROM Write Enable
External ROM Crip Select Enable
Ground for cord power
Digital power. Connect to digital 1.8V supply.
Reserved, unconnected
Ring V power. Connect to digital 3.3V supply
DD
No connected
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Description