Rainbow Electronics AT76C551 - Manual (Page 8)

8
AT76C551
1612D–08/01
Pin Summary – Pin Assignment in Alphabetical Order
Pin # Pin Name Type Pin # Pin Name Type Pin # Pin Name Type
49 ABCLK O 81 GND Digital Ground 67 MEM_DATAH3 B
53 ABCLK_IN I 95 GND Digital Ground 66 MEM_DATAH4 B
48 ACLK O 109 GND Digital Ground 65 MEM_DATAH5 B
52 ACLK_IN I 163 GND Digital Ground 64 MEM_DATAH6 B
46 ADI I 171 GND Digital Ground 63 MEM_DATAH7 B
45 ADO O 173 GND Digital Ground 146 NCE
38 AGND Analog Ground 172 LFT 147 NCE1 I
42 AGND Analog Ground 103 MEM_ADDR0 O 152 NINPACK O
50 ASYNC O 102 MEM_ADDR1 O 148 NIORD I
54 ASYNC_IN I 91 MEM_ADDR10 O 149 NIOWR I
40 AVCC 90 MEM_ADDR11 O 153 NIREQ
44 AVCC 89 MEM_ADDR12 O 61 NRED
175 CLK_MODE0 88 MEM_ADDR13 O 150 NREQ I
176 CLK_MODE1 87 MEM_ADDR14 O 158 NTRST I
21 CLK_PXPIN I 86 MEM_ADDR15 O 151 NWAIT O
57 CSFL O 85 MEM_ADDR16 O 145 NWE I
55 CSFL16 O 84 MEM_ADDR17 O 62 NWORD I
59 CSFLH O 83 MEM_ADDR18 O 60 NWRITE O
58 CSSFH 101 MEM_ADDR2 O 174 OSC_MODE
56 CSSR O 100 MEM_ADDR3 O 117 P_OR_UN I
156 DB_CLK O 99 MEM_ADDR4 O 133 PC_A0 I
155 DB_DATA O 98 MEM_ADDR5 O 132 PC_A1 I
115 DM B 97 MEM_ADDR6 O 122 PC_A10 I
114 DP B 94 MEM_ADDR7 O 121 PC_A11 I
2 EXT_13_MHz I 93 MEM_ADDR8 O 120 PC_A12 I
3 EXT_13_MHz_OUT O 92 MEM_ADDR9 O 119 PC_A13 I
5 EXT_OSC I 80 MEM_DATA0 B 118 PC_A14 I
4 GND Digital Ground 79 MEM_DATA1 B 131 PC_A2 I
6 GND Digital Ground 78 MEM_DATA2 B 130 PC_A3 I
20 GND Digital Ground 77 MEM_DATA3 B 129 PC_A4 I
33 GND Digital Ground 76 MEM_DATA4 B 128 PC_A5 I
116 GND Digital Ground 75 MEM_DATA5 B 127 PC_A6 I
47 GND Digital Ground 74 MEM_DATA6 B 126 PC_A7 I
68 GND Digital Ground 73 MEM_DATA7 B 124 PC_A8 I
134 GND Digital Ground 72 MEM_DATAH0 B 123 PC_A9 I
143 GND Digital Ground 71 MEM_DATAH1 B 142 PC_D0 B
154 GND Digital Ground 70 MEM_DATAH2 B 141 PC_D1 B