![](http://datasheet.mmic.net.cn/380000/-PD98405_datasheet_16745025/-PD98405_26.png)
CHAPTER 2 PIN FUNCTIONS
26
No.
PCI mode
General-
purpose
mode
No.
PCI mode
General-
purpose
mode
No.
PCI mode
General-
purpose
mode
No.
PCI mode
General-
purpose
mode
149
CD7
CD7
188
CA0
CA0
227
V
DD3
V
DD3
266
PHYALM/
PHR/W_B
PHYALM/
PHR/W_B
150
CD6
CD6
189
GND
GND
228
GND
GND
267
SD/PHCE_B
SD/PHCE_B
151
V
DD3
V
DD3
190
V
DD3
V
DD3
229
GND
GND
268
REFCLK/
PHINT_B
REFCLK/
PHINT_B
152
GND
GND
191
CBE3_B
CBE3_B
230
ROMOE_B
-
269
AV
DD3
AV
DD3
153
GND
GND
192
CBE2_B
CBE2_B
231
E2PDI
-
270
AGND
AGND
154
V
DD3
V
DD3
193
CBE1_B
CBE1_B
232
E2PDO
-
271
TEST
TEST
155
CD5
CD5
194
CBE0_B
CBE0_B
233
E2PCLK
-
272
HGND
HGND
156
CD4
CD4
195
CWE_B
CWE_B
234
E2PCS
-
273
TDOT
TDOT
157
CD3
CD3
196
COE_B
COE_B
235
Rx7
Rx7
274
TDOC
TDOC
158
CD2
CD2
197
INITD
INITD
236
Rx6
Rx6
275
HV
DD3
HV
DD3
159
CD1
CD1
198
SCLK
SCLK
237
Rx5
Rx5
276
HV
DD3
HV
DD3
160
GND
GND
199
GND
GND
238
Rx4
Rx4
277
RDIC
RDIC
161
CD0
CD0
200
ROMA15
-
239
Rx3
Rx3
278
RDIT
RDIT
162
CPAR3
CPAR3
201
ROMA14
-
240
Rx2
Rx2
279
HGND
HGND
163
CPAR2
CPAR2
202
ROMA13
-
241
Rx1/TFKC
Rx1/TFKC
280
RV
DD3
RV
DD3
164
CPAR1
CPAR1
203
ROMA12
-
242
Rx0/TFKT
Rx0/TFKT
281
JRST_B
JRST_B
165
CPAR0
CPAR0
204
ROMA11
-
243
GND
GND
282
JCK
JCK
166
CA18
CA18
205
ROMA10
-
244
RCLK
RCLK
283
JMS
JMS
167
GND
GND
206
ROMA9
-
245
V
DD3
V
DD3
284
JDO
JDO
168
CA17
CA17
207
ROMA8
-
246
RENBL_B
RENBL_B
285
JDI
JDI
169
CA16
CA16
208
V
DD3
V
DD3
247
RSOC
RSOC
286
RGND
RGND
170
CA15
CA15
209
ROMA7
-
248
EMPTY_B/
RCLAV/RCIC
EMPTY_B/
RCLAV/RCIC
287
V
DD5
V
DD5
171
CA14
CA14
210
ROMA6
-
249
FULL_B/
TCLAV/RCIT
FULL_B/
TCLAV/RCIT
288
INTR_B
INTR_B
172
CA13
CA13
211
ROMA5
-
250
TSOC
TSOC
289
RST_B
RST_B
173
CA12
CA12
212
ROMA4
-
251
TENBL_B
TENBL_B
290
CLK
CLK
174
GND
GND
213
ROMA3
-
252
GND
GND
291
GNT_B
GNT_B
175
V
DD3
V
DD3
214
GND
GND
253
TCLK
TCLK
292
GND
GND
176
CA11
CA11
215
ROMA2
-
254
V
DD3
V
DD3
293
V
DD3
V
DD3
177
CA10
CA10
216
ROMA1
-
255
Tx7
Tx7
294
REQ_B
ATTN_B
178
CA9
CA9
217
ROMA0
-
256
Tx6
Tx6
295
AD31
AD31
179
CA8
CA8
218
ROMD7
-
257
Tx5
Tx5
296
AD30
AD30
180
CA7
CA7
219
ROMD6
-
258
Tx4
Tx4
297
AD29
AD29
181
CA6
CA6
220
ROMD5
-
259
GND
GND
298
GND
GND
182
GND
GND
221
ROMD4
-
260
Tx3
Tx3
299
V
DD5
V
DD5
183
CA5
CA5
222
ROMD3
-
261
Tx2
Tx2
300
AD28
AD28
184
CA4
CA4
223
ROMD2
-
262
Tx1
Tx1
301
AD27
AD27
185
CA3
CA3
224
ROMD1
-
263
Tx0
Tx0
302
AD26
AD26
186
CA2
CA2
225
ROMD0
-
264
PHRST_B
PHRST_B
303
AD25
AD25
187
CA1
CA1
226
ROMCS_B
-
265
PHOE_B
PHOE_B
304
GND
GND
Remark
When using this chip in general-purpose mode, leave those pins to which no function is assigned
(those pins marked with "-") other than pin No. 5 (IDSEL) open. Fix IDSEL to low/high.