Rainbow Electronics AT76C551 - Manual (Page 5)

5
AT76C551
1612D–08/01
Pinout and Package Options
The AT76C551 controller will be available in three different packages, each will have the same basic functionality but with a
different system interface (PCMCIA 8-bit, full-speed USB, extended speed RS-232). The prototype version comes in a
LQFP-176 package and supports the three different interfaces simultaneously.
Pinout of the Prototype Version
Pin 1 is marked for orientation
NCx = No Connection
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
PC_A1
PC_A2
PC_A3
PC_A4
PC_A5
PC_A6
PC_A7
VCC
PC_A8
PC_A9
PC_A10
PC_A11
PC_A12
PC_A13
PC_A14
P_OR_UN
GND
DM
DP
VCC
U_CD_
USART_RX
U_DSR_
GND
U_CTS_
U_RI_
USART_TX
U_DTR_
U_RTS_
MA0
MA1
MA2
MA3
MA4
MA5
MA6
VCC
GND
MA7
MA8
MA9
MA10
MA11
MA12
176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
ADO
ADI
GND
ACLK
ABCLK ASYNC
VCC
ACLK_IN
ABCLK_IN ASYNC_IN
CSFL 16
CSSR CSFL
CSSFH CSFLH
NWRITE
NRED
NWORD
MDH7 MDH6 MDH5 MDH4 MDH3
GND VCC
MDH2 MDH1 MDH0
MD7 MD6 MD5 MD4 MD3 MD2 MD1 MD0 GND VCC
MA18 MA17 MA16 MA15 MA14 MA13
CLK_MODE1 CLK MODE0 OSC_MODE GND LFT GND PLL_TEST_PIN PC_RESET TST_ECK TEST_CTRL VCC XTAL2 XTAL1 GND TDO TMS TDI TCK NTRST VCC DB_CLK DB_DATA GND NIREQ NINPACK NWAIT NREG NIOWR NIORD NCE1 NCE NWE VCC GND PC-D0 PC-D1 PC-D2 PC-D3 PC-D4 PC-D5 PC-D6 PC_D7 GND PC_A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
VCC
EXT_13_MHz
EXT-13-MHz_OUT
GND
EXT_OSC
GND
TC_ENABL
TC_DATA
TC_CLK
VCC
TC_TXON
TXPIN
TC_PUPLL
TC_PURXTX
TC_PUVCO
TC_I_CP_SW
TC_PUREG
TC_RXON
TC_LD
GND
CLK_RXPIN
VCC
RXPIN
RXMODE
RXF_PD
RXF_CLK
RXF_OE_
RXF-D7
RXF-D6
RXF_D5
RXF_D4
RXF_D3
GND
RXF_D2
RXF_D1
RXF_D0
VDDAC
AGND
RSSI
AVCC
VC_IN
AGND
VC_OUT
AVCC
PC_A1
PC_A2
PC_A3
PC_A4
PC_A5
PC_A6
PC_A7
VCC
PC_A8
PC_A9
PC_A10
PC_A11
PC_A12
PC_A13
PC_A14
P_OR_UN
GND
DM
DP
VCC
U_CD_
USART_RX
U_DSR_
GND
U_CTS_
U_RI_
USART_TX
U_DTR_
U_RTS_
MA0
MA1
MA2
MA3
MA4
MA5
MA6
VCC
GND
MA7
MA8
MA9
MA10
MA11
MA12
176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
ADO
ADI
GND
ACLK
ABCLK ASYNC
VCC
ACLK_IN
ABCLK_IN ASYNC_IN
CSFL 16
CSSR CSFL
CSSFH CSFLH
NWRITE
NRED
NWORD
MDH7 MDH6 MDH5 MDH4 MDH3
GND VCC
MDH2 MDH1 MDH0
MD7 MD6 MD5 MD4 MD3 MD2 MD1 MD0 GND VCC
MA18 MA17 MA16 MA15 MA14 MA13
CLK_MODE1 CLK MODE0 OSC_MODE GND LFT GND PLL_TEST_PIN PC_RESET TST_ECK TEST_CTRL VCC XTAL2 XTAL1 GND TDO TMS TDI TCK NTRST VCC DB_CLK DB_DATA GND NIREQ NINPACK NWAIT NREG NIOWR NIORD NCE1 NCE NWE VCC GND PC-D0 PC-D1 PC-D2 PC-D3 PC-D4 PC-D5 PC-D6 PC_D7 GND PC_A0