Panasonic SJ-MR230DGH, Руководство по обслуживанию, Страница: 45 / 65

Pin
No.
Mark I/O
Division
Function
85 DVDD2 I Power supply input
terminal
86 RAD0 O Address for DRAM 0 output
terminal
87 RDT3 I/O Data for DRAM 3 input /
output terminal
88 IVDD1 — Power supply for I/O pad
89 RDT2 I/O Data for DRAM 2 input /
output terminal
90 RDT1 I/O Data for DRAM 1 input /
output terminal
91 RDT0 I/O Data for DRAM 0 input /
output terminal
92 NRAS O Load address strobe for
DRAM signal output
terminal
93 NCAS O Calam address strobe for
DRAM signal output
terminal
94 NWE O Write enable signal for
DRAM output terminal
95 TS2 I Test input terminal (Not
used, connected to GND)
96 DVSS0 — GND terminal
97 XO O Crystal oscillator output
terminal (F=16.9344MHz)
98 XI I Crystal oscillator input
terminal (F=16.9344MHz)
99 IVDD0 — Power supply for I/O pad
100 TS1 I Test input terminal (Not
used, connected to GND)
15.3. IC401 (C0GBZ0000020) : FOCUS/TRACKING COIL, TRAVERSE
MOTOR DRIVE, SPINDLE MOTOR DRIVE, ROTARY DETECTOR