n n n r m V r V o e C a V + + + n C m m C n m C n + n n G r C t _ a G _ I c G r G _ C C C W R a N a t t t I x t c 1 N r N t N x N t a a t d c d I d d d d d d S S S S 3 D 1 2 3 s O d 4 s 0 D d T s D d D 5 0 2 6 0 s 7 O 6 5 4 3 2 1 --------------------------------------------------------------------------_ / 144 142 140 138 136 134 132 130 128 126 124 122 120 118 116 114 112 110 |_ / 143 141 139 137 135 133 131 129 127 125 123 121 119 117 115 113 111 109 | #TCK | 1 108 | ^DATA0 ^CONF_DONE | 2 107 | ^DCLK ^nCEO | 3 106 | ^nCE #TDO | 4 105 | #TDI VCCIO | 5 104 | GND GND | 6 103 | VCCINT t1 | 7 102 | r1 l1 | 8 101 | r2 l2 | 9 100 | r3 l3 | 10 99 | r4 *RDYnBUSY | 11 98 | r5 l4 | 12 97 | r6 l5 | 13 96 | r7 l6 | 14 95 | r8 GND | 15 94 | VCCIO VCCINT | 16 93 | GND l7 | 17 92 | r9 l8 | 18 91 | r10 l9 | 19 ep1k50tc144-3 90 | r11 l10 | 20 89 | r12 l11 | 21 88 | r13 l12 | 22 87 | r14 l13 | 23 86 | r15 VCCIO | 24 85 | VCCINT GND | 25 84 | GND l14 | 26 83 | r16 l15 | 27 82 | r17 l16 | 28 81 | r18 l17 | 29 80 | r19 l18 | 30 79 | r20 l19 | 31 78 | b10 l20 | 32 77 | ^MSEL0 b1 | 33 76 | ^MSEL1 #TMS | 34 75 | VCCINT ^nSTATUS | 35 74 | ^nCONFIG b2 | 36 73 | b9 | 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 _| \ 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 | \--------------------------------------------------------------------------- b a b G b a w a V n a a a V a G V G C r G G a a V a b b a G r b a a V a 3 5 4 N 5 1 d 1 C m 1 1 8 C 1 N C N L e N N 9 1 C 1 6 7 1 N a 8 7 6 C 4 D 5 8 C e 7 4 C 1 D C D K s D D 3 C 6 2 D m C I m I I e I _ I O _ N N t O a O w T T 1 r 7 N.C. = No Connect. This pin has no internal connection to the device. VCCINT = Dedicated power pin, which MUST be connected to VCC (2.5 volts). VCCIO = Dedicated power pin, which MUST be connected to VCC (3.3 volts). GND = Dedicated ground pin or unused dedicated input, which MUST be connected to GND. RESERVED = Unused I/O pin, which MUST be left unconnected. ^ = Dedicated configuration pin. + = Reserved configuration pin, which is tri-stated during user mode. * = Reserved configuration pin, which drives out in user mode. PDn = Power Down pin. @ = Special-purpose pin. # = JTAG Boundary-Scan Testing/In-System Programming or Configuration Pin. The JTAG inputs TMS and TDI should be tied to VCC and TCK should be tied to GND when not in use. & = JTAG pin used for I/O. When used as user I/O, JTAG pins must be kept stable before and during configuration. JTAG pin stability prevents accidental loading of JTAG instructions. $ = Pin has PCI I/O option enabled. Pin is not '5.0 V'-tolerant.