Specifications ispLSI 1048EA
Pin Description
NAME
PQFP / TQFP PIN NUMBERS
DESCRIPTION
I/O 0 - I/O 5
21,
22,
28,
35,
41,
53,
59,
67,
73,
86,
92,
99,
23,
29,
36,
42,
54,
60,
68,
74,
87,
93,
100, 101,
106, 107,
119, 120,
125, 126,
24,
30,
37,
43,
55,
61,
69,
75,
88,
94,
25,
31,
38,
44,
56,
62,
70,
76,
89,
95,
102, 103,
108, 109,
121, 122,
127, 128,
26,
32,
39,
45,
57,
63,
71,
77,
90,
96,
Input/Output Pins - These are the general purpose I/O pins used by the
logic array.
I/O 6 - I/O 11
I/O 12 - I/O 17
I/O 18 - I/O 23
I/O 24 - I/O 29
I/O 30 - I/O 35
I/O 36 - I/O 41
I/O 42 - I/O 47
I/O 48 - I/O 53
I/O 54 - I/O 59
I/O 60 - I/O 65
I/O 66 - I/O 71
I/O 72 - I/O 77
I/O 78 - I/O 83
I/O 84 - I/O 89
I/O 90 - I/O 95
27,
34,
40,
52,
58,
66,
72,
85,
91,
98,
104, 105,
117, 118,
123, 124,
2,
8,
3,
9,
4,
10,
5,
11,
6,
12,
7,
13
GOE0, GOE1
Global Output Enable input pins.
Dedicated input pins to the device.
64,
47,
114
51
111,
84,
115,
110,
IN 2, IN 4, IN 6-IN 11
116, 14
TDI
20
Input - Functions as an input pin to load programming data into the
device and also is used as one of the two control pins for the ISP JTAG
state machine.
TMS
TDO
TCK
46
50
78
Input - Controls the operation of the ISP JTAG state machine.
Output - Functions as an output pin to read serial shift register data.
Input - Functions as a clock pin for the Serial Shift Register.
RESET
Y0
19
15
83
Active Low (0) Reset pin which resets all of the GLB and I/O registers in
the device.
Dedicated Clock input. This clock input is connected to one of the clock
inputs of all of the GLBs on the device.
Y1
Dedicated Clock input. This clock input is brought into the clock
distribution network, and can optionally be routed to any GLB on the
device.
Y2
Y3
80
79
Dedicated Clock input. This clock input is brought into the clock
distribution network, and can optionally be routed to any GLB and/or
any I/O cell on the device.
Dedicated Clock input. This clock input is brought into the clock
distribution network, and can optionally be routed to any I/O cell on the
device.
1,
97,
17,
112
33,
82,
49,
65,
81,
GND
Ground (GND)
VCC
16,
18
48,
113
VCC
VCCIO
Supply voltage for output drivers, 5V or 3.3V.
Table 2-0002C/1048EA
11
LATTICE [ LATTICE SEMICONDUCTOR ]
