Sony HCD-SR4W Service Manual page 85

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Pin No. Pin Name
189
190
191 RST_SPC
192
193
194
195
196
197
198
199
200
201
202
203 BUS CLK
204
205
206
207
208
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I/O
VNW — Power supply for 5V tolerance voltage input
ALE O Latch enable signal output for address data demux
O Reset signal output to the mechanism controller (IC301)
HCS3 O Not used
HCS2 O Chip select signal output for Medusa (not used)
HCS1 I/O Not used
HCS0 O Chip select signal output to the external ROM (IC205)
VDDP — Power supply terminal (+3.3V) (I/O signal)
TRST I Reset signal input
TDO O Data output
TDI I Data input
TMS I TMS signal input
TCK I TCK signal input
RESET I ZIVA reset input
I/O Not used
GND — Ground terminal (inside core)
VDD — Power supply terminal (+1.8V) (inside core)
HA3 I/O Address bus 3
HA2 I/O Address bus 2
GNDP — Ground terminal (I/O signal)
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Description
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