SERVICE MANUAL
Document No
Date of Origin
Date of REV
51-L-DSR004
98-10-21
PAGE REV.
0
PAGE
59 /102
S-00-005(96.03.27)
REV.1
10. Pin Description
10-1.
CPU
U1
ST20TP2
MEMGRANT
178
/MEMRD
179
VCLP
180
MEMWAIT
181
/MEMCAS3
208
CLOCKIN
110
/MEMCAS2
207
/MEMCAS1
205
/MEMRAS1
202
/MEMCSROM
199
/MEMRAS2
198
/MEMRAS0
200
MEMR/W
197
/MEMBE3
195
/MEMBE2
194
MEMDATA23
57
MEMDATA26
61
MEMDATA27
62
MEMDATA28
64
MEMDATA29
65
MEMDATA30
66
MEMDATA31
67
/MEMBE0
192
/MEMBE1
193
1284PERROR
89
1284BUSY
90
1284/ACK
91
1284DATA5
95
1284DATA4
96
1284DATA3
98
1284DATA2
99
1284DATA1
100
1284DATA0
101
1284/STROBE
103
1284SELECT
88
1284DATA7
93
1284DATA6
94
TTXTDATA
108
TTXTREQUEST
107
/MEMCAS0
204
MEMREQ
177
MEMDATA25
60
/MEMRAS3
203
MEMDATA24
59
LBYTECLKVALID
79
LERROR
81
LDATA5
74
LPACKETCLK
80
INTERRUPT0
104
LDATA6
75
LDATA7
76
LBYTECLK
78
LDATA4
73
LDATA3
72
1284/FAULT
85
1284/INIT
84
INTERRUPT1
105
MEMDATA15
47
MEMDATA14
46
MEMDATA13
45
MEMDATA12
44
MEMDATA11
42
MEMDATA10
41
MEMDATA9
40
MEMDATA8
39
MEMDATA7
37
MEMDATA6
36
MEMDATA5
35
MEMDATA4
34
MEMDATA3
32
MEMDATA2
31
MEMDATA1
30
MEMDATA0
29
MEMADD23
27
MEMADD22
26
MEMADD21
25
MEMADD20
24
MEMADD19
22
MEMADD18
21
MEMADD17
20
MEMADD16
19
MEMADD15
17
MEMADD14
16
MEMADD13
15
MEMADD12
14
MEMADD11
12
MEMADD10
11
MEMADD9
10
MEMADD8
9
MEMADD7
7
MEMADD6
6
MEMADD5
5
MEMADD4
4
MEMADD3
2
MEMADD2
1
TTXTEVEN/ODD
106
1284/SELECTIN
83
1284/AUTOFD
86
LDATA0
69
LDATA1
70
LDATA2
71
MEMDATA16
49
MEMDATA17
50
MEMDATA18
51
MEMDATA19
52
MEMDATA20
54
MEMDATA22
56
MEMDATA21
55
VDD
18
VDD
28
VDD
38
VCLP
48
VDD
58
VDD
68
VDD
77
VDD
87
GND
3
GND
13
GND
23
GND
33
GND
43
GND
53
GND
63
GND
82
GND
92
GND
102
GND
118
GND
137
GND
152
VCLP
109
VDD
128
GND
171
GND
184
GND
191
GND
201
VDD
8
VDD
97
VDD
144
VDD
161
VDD
176
VDD
186
VDD
196
VDD
206
RTCVDD
115
SPEEDSELECT0
111
SPEEDSELECT1
112
LPCLOCKOSC
113
LPCLOCKIN
114
/RST
116
CPUANALYSE
117
CPURESET
119
ERROROUT
120
TDI
121
TMS
122
TCK
123
/TRST
124
TDO
125
LINKIN
126
LINKOUT
127
P00(SC1DATAOUT)
129
P01(SC1DATAIN)
130
P02(SC1EXTCLK)
131
P03(SC1CLK)
132
P04(SC1RST)
133
P05(SC1CMDVCC)
134
P06(SC1CMDVPP)
135
P07(SC1DETECT)
136
P10(SCC0MTSR)
138
P11(SCC0MRST)
139
P12(SCC0CLK)
140
P13(PWMOUT0)
141
P14(PWMOUT1)
142
P15(ASC1TXD)
143
P16(ASC1RXD)
145
PIO17
146
P20(SC0DATAOUT)
147
P21(SC0DATAIN)
148
P22(SC0EXTCLK)
149
P23(SC0CLK)
150
P24(SC0RST)
151
P25(SC0CMDVCC)
153
P26(SC0CMDVPP)
154
P27(SC0DETECT)
155
P30(SCC1MTSR)
156
P31(SCC1MRST)
157
P32(SCC1CLK)
158
P33(CAPTUREIN0)
159
P34(CAPTUREIN1)
160
P35(CAPTURECLK0
162
P36(CAPUTRECLK1
163
P37(1284OUT)
164
P40(ASC3TXD)
165
P41(ASC3RXD)
166
P42(TTEXTCLOCK)
167
P43(1284PLH)
168
P44(1284HLH)
169
P45(INTERRUPT3)
172
P46(INTERRUPT4)
173
/WDRESET
170
/CDREQ0
174
/CDREQ1
175
BOOTSOURCE0
182
BOOTSOURCE1
183
PROCCLOCKOUT
185
/CS0
187
/CS1
188
/CDSTRB0
189
/CDSTRB1
190