Owner manual

7
AT76C551
1612D–08/01
112 U_CD_ I 134 GND Digital Ground 156 DB_CLK O
113 VCC Digital Supply 135 PC_D7 B 157 VCC Digital Supply
114 DP B 136 PC_D6 B 158 NTRST I
115 DM B 137 PC_D5 B 159 TCK I
116 GND Digital Ground 138 PC_D4 B 160 TDI I
117 P_OR_UN I 139 PC_D3 B 161 TMS I
118 PC_A14 I 140 PC_D2 B 162 TDO I
119 PC_A13 I 141 PC_D1 B 163 GND Digital Ground
120 PC_A12 I 142 PC_D0 B 164 XTAL1 I
121 PC_A11 I 143 GND Digital Ground 165 XTAL2 I
122 PC_A10 I 144 VCC Digital Supply 166 VCC Digital Supply
123 PC_A9 I 145 NWE I 167 TEST_CTRL I
124 PC_A8 I 146 NCE 168 TST_ECK I
125 VCC Digital Supply 147 NCE1 I 169 PC_RESET I
126 PC_A7 I 148 NIORD I 170 PLL_TEST_PIN I
127 PC_A6 I 149 NIOWR I 171 GND Digital Ground
128 PC_A5 I 150 NREG I 172 LFT
129 PC_A4 I 151 NWAIT O 173 GND Digital Ground
130 PC_A3 I 152 NINPACK O 174 OSC_MODE
131 PC_A2 I 153 NIREQ 175 CLK_MODE0
132 PC_A1 I 154 GND Digital Ground 176 CLK_MODE1
133 PC_A0 I 155 DB_DATA O
Pin Summary – Pin Assignment in Numerical Order (Continued)
Pin # Pin Name Type Pin # Pin Name Type Pin # Pin Name Type