Cpu (Ic26: Sh7751); Pin Assignment - Casio QT-6100 Service Manual

8-7. CPU (IC26: SH7751)

8-7-1. Pin Assignment

XTAL2 193
194
EXTAL2
VDD-RTC 195
VSS-RTC 196
CA 197
198
199
200
NMI 201
/ 202
/ 203
204
MD6/
205
TXD 206
207
208
209
210
MD2/RXD2 211
212
RXD
TCLK 213
MD8/ 214
SCK 215
MD1/TXD2 216
217
MD0/SCK2
MD7/ 218
AUDSYNC 219
AUDCK 220
221
222
AUDATA0 223
AUDATA1 224
225
226
227
AUDATA2
AUDATA3 228
Reserved 229
MD3/ 230
MD4/ 231
232
MD5
233
234
DACK0 235
DACK1 236
237
DRAK0
DRAK1 238
239
240
STATUS0 241
242
STATUS1
243
244
/BRKACK 245
TDO 246
247
248
VDD-PLL2 249
VSS-PLL2 250
VDD-PLL1 251
252
VSS-PLL1
VDD-CPG 253
VSS-CPG 254
XTAL 255
EXTAL 256
Note: Power must be supplied to the on-chip PLL power supply pins (VDD-PLL1, VDD-PLL2, VSS-PLL1,
VSS-PLL2, VDD-CPG, VSS-CPG, VDD-RTC, and VSS-RTC) regardless of whether or not the PLL
circuits, crystal resonator, and RTC are used.
QFP256
(Top view)
VDD (internal)
VSS (internal)
VDDQ (IO)
VSSQ (IO)
— 51 —
128
127 /
126 /
125 PCICLK
124
123
122 IDSEL
121 /MD9
120
119
118 /MD10
117
116
115
114
113
112
111
110 /
109
/
108 A25
107 A24
106
105
104
A23
103 A22
102 A21
101 A20
100 A19
99
A18
98
97
96 D31
95 D30
94
93
92 D29
91 D28
90 D27
89
D26
88 D25
87 D24
86 D23
85 D22
84
D21
83 D20
82
81
80
79
78 D19
77 D18
76
D17
75 D16
74 /DQM3
73 /DQM2
72 A17
71
A16
70 A15
69 A14
68
67
66
A13
65 A12