8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 d d c c b b a a sh1.sch sh2.sch sh3.sch preliminary for reference only ** suject to change without notice |link |sh1.sch |sh2.sch |sh3.sch it8888-090998 0.2 it8888 ite, inc. b 0 0 monday, february 08, 1999 title size document number rev date: sheet of it8888 sh1 isa slot sh2 pci bus sh3
8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 d d c c b b a a on off on off on off enable sm boot-rom d isable sm boot-rom jp1 functions preliminary for reference only ** suject to change without notice 1-2 3-4 no f-seg decoding enable chip tes t with pcirst#=0 it888 8 normal function 5-6 fast devsel# decode for f-seg see datasheet pin133 description it8888 0.2 it8888 ite, inc. b 1 3 monday, february 08, 1999 title size document number rev date: sheet of ior# iow# aen memr# memw# iocs16# memcs16# aen nows# bale frame# iochrdy tc irdy# master# trdy# iochck# stop# refresh# lock# idsel drq7 devsel# drq6 drq5 par drq3 perr# drq2 serr# drq1 drq0 ireq# ignt# dack7# dack6# ppdreq# dack5# ppdgnt# dack3# dack2# pclclk dack1# pcirst# dack0# irq15 c/be#0 irq14/romcs# c/be#1 irq12 c/be#2 irq11 c/be#3 irq10 irq9 ad0 irq7 ad1 irq6 ad2 irq5 ad3 irq4 ad4 irq3 ad5 ad6 rstdrv ad7 smemr# ad8 smemw# ad9 bale ad10 sbhe# ad11 tc ad12 ad13 ad14 bclk ad15 ad16 ad17 sa0 ad18 sa1 ad19 sa2 ad20 sa3 irq14 ad21 sa4 irq14/romcs# ad22 sa5 romcs# serirq ad23 sa6 ad24 sa7 ad25 sa8 ignt# ad26 sa9 ad27 sa10 ad28 sa11 ppdgnt# ad29 sa12 ad30 sa13 nogo ad31 sa14 nogo/clkrun# sa15 clkrun# nogo/clkrun# sa16 serirq sa17 sdat sa18 sclk sa19 c/be#[0..3] ad[0..31] la[20..23] sd[0..15] sd0 sd1 sd2 sd3 sd4 sd5 sd6 sd7 sd8 sd9 sd10 sd11 sd12 sd13 sd14 sd15 la23 la22 la21 la20 sa[0..19] drq7 drq6 drq5 drq3 drq2 drq1 drq0 dack7# dack6# dack5# dack3# dack2# dack1# dack0# irq15 irq14 irq12 irq11 irq10 irq7 irq6 irq5 irq4 irq3 ior# iow# aen memr# memw# iocs16# memcs16# nows# iochrdy master# refresh# rstdrv smemr# smemw# bale sbhe# tc bclk sa[0..19] la[20..23] sd[0..15] ad[0..31] serirq sdat sclk devsel# frame# irdy# trdy# stop# lock# idsel par perr# serr# ireq# ignt# ppdreq# ppdgnt# pciclk pcirst# irq9 vcc gnd romcs# nogo clkrun# c/be#[0..3] +3v iochck# vcc vcc +3v +3v +3v +3v jp11 1 2 3 jp19 1 2 3 jp12 1 2 3 jp1 header 3x2 1 2 3 4 5 6 u1 IT8888F/bx 93 121 1 22 130 146 5 11 9 10 142 143 144 145 147 149 152 153 154 155 156 157 158 159 13 14 15 16 17 19 20 21 24 25 26 27 29 30 31 32 79 78 73 83 82 66 67 75 71 72 68 65 45 46 47 48 49 50 51 36 37 38 39 42 43 44 53 54 55 56 57 58 59 60 61 62 63 35 77 76 74 85 86 87 88 89 90 92 94 95 96 97 98 99 100 102 103 112 113 84 64 115 114 129 128 127 126 125 124 123 122 111 110 109 133 134 33 34 101 120 136 148 160 69 80 91 52 70 81 3 4 7 8 151 6 139 138 132 131 137 23 12 2 150 141 140 135 41 18 28 40 104 105 106 107 108 119 118 117 116 vcc_5v vcc_5v vcc_3_5v vcc_3_5v vcc_3_5v vcc_3_5v trdy# par perr# serr# ad29 ad28 ad27 ad26 ad25 ad24 ad23 ad22 ad21 ad20 ad19 ad18 ad17 ad16 ad15 ad14 ad13 ad12 ad11 ad10 ad9 ad8 ad7 ad6 ad5 ad4 ad3 ad2 ad1 ad0 ior# iow# aen memr# memw# iocs16# memcs16# nows# iochrdy master# iochk# refresh# drq7 drq6 drq5 drq3 drq2 dqr1 drq0 dack7# dack6# dack5# dack3# dack2# dack1# dack0# irq15 irq14/romcs# irq12 irq11 irq10 irq9 irq7 irq6 irq5 irq4 irq3 rstdrv smemr# smemw# bale sa0 sa1 sa2 sa3 sa4 sa5 sa6 sa7 sa8 sa9 sa10 sa11 sa12 sa13 sa14 sa15 sa16 sa17 sbhe# tc sa19 sa18 sd15 sd14 sd13 sd12 sd11 sd10 sd9 sd8 sd7 sd6 sd5 nogo/clkrun# serirq sdat sclk gnd gnd gnd gnd gnd gnd gnd gnd gnd bclk vcc_5v frame# irdy# stop# lock# idsel devsel# ireq# ignt# ppdreq# ppdgnt# pciclk c/be0# c/be1# c/be2# c/be0# ad30 ad31 pcirst# vcc_5v gnd gnd gnd sd0 sd1 sd2 sd3 sd4 la23 la22 la21 la20 r25 50k r26 50k r27 50k r22 4.7k r23 4.7k r24 4.7k r
8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 d d c c b b a a optional sm rom optional eprom preliminary for reference only ** suject to change without notice it8888 0.2 pci slot ite, inc. b 3 3 monday, february 08, 1999 title size document number rev date: sheet of frame# irdy# trdy# stop# lock# idsel devsel# par perr# serr# ireq# ignt# ppdreq# ppdgnt# -12v pciclk +12v pcirst# gnd vcc vcc c/be#0 vcc c/be#1 c/be#2 vcc c/be#3 sclk ad0 sdat ad1 gnd gnd ad2 gnd gnd ad3 ad4 gnd pcirst# ad5 pciclk ad6 gnd ignt# ad7 ireq# gnd ad8 ad9 ad31 ad30 ad10 ad29 +3v ad11 gnd ad28 ad12 ad27 ad26 ad13 ad25 gnd ad14 +3v ad24 ad15 c/be#3 idsel ad16 ad23 +3v ad17 gnd ad22 ad18 ad21 ad20 ad19 ad19 gnd ad20 +3v ad18 ad21 ad17 ad16 ad22 c/be#2 +3v ad23 gnd frame# ad24 irdy# gnd ad25 +3v trdy# ad26 devsel# gnd ad27 gnd stop# ad28 lock# +3v sa0 sd0 ad29 perr# sa1 sd1 ad30 +3v sa2 sd2 ad31 serr# gnd sa3 sd3 +3v par sa4 sd4 nogo c/be#1 ad15 sa5 sd5 serirq ad14 +3v sa6 sd6 sdat gnd ad13 sa7 sd7 sclk ad12 ad11 sa8 ad10 gnd sa9 gnd ad9 sa10 gnd gnd sa11 sa0 gnd gnd sa12 sa1 ad8 c/be#0 sa13 sa2 ad7 +3v sa14 sa3 +3v ad6 sa15 sa4 ad5 ad4 sa16 sa17 sa5 ad3 gnd sa6 gnd ad2 romcs# sa7 ad1 ad0 memr# sa8 sa9 sa10 vcc vcc sa11 vcc vcc sa12 sa13 sa14 sa15 sa16 sa17 sd0 sd1 +3v sd2 sd3 +12v sd4 -12v sd5 sd6 sd7 romcs# memr# clkrun# os c c/be#[0..3] ad[0..31] sa[0..19] sd[0..15] +3v gnd +12v -12v ad[0..31] nogo serirq sdat sclk devsel# frame# irdy# trdy# stop# lock# idsel par perr# serr# ireq# ignt# ppdreq# ppdgnt# pciclk pcirst# romcs# memr# vcc osc clkrun# c/be#[0..3] sa[0..19] sd[0..15] vcc vcc vcc vcc vcc vcc vcc vcc vcc vcc pslot1 pcislot a62 a61 a60 a59 a58 a57 a56 a55 a54 a53 a52 a49 a48 a47 a46 a45 a44 a43 a42 a41 a40 a39 a38 a37 a36 a35 a34 a33 a32 a31 a30 a29 a28 a27 a26 a25 a24 a23 a22 a21 a20 a19 a18 a17 a16 a15 a14 a13 a12 a11 a10 a9 a8 a7 a6 a5 a4 a3 a2 a1 b1 b2 b3 b4 b5 b6 b7 b8 b9 b10 b11 b12 b13 b14 b15 b16 b17 b18 b19 b20 b21 b22 b23 b24 b25 b26 b27 b28 b29 b30 b31 b32 b33 b34 b35 b36 b37 b38 b39 b40 b41 b42 b43 b44 b45 b46 b47 b48 b49 b52 b53 b54 b55 b56 b57 b58 b59 b60 b61 b62 b50 b51 a50 a51 +5v +5v req64# +5/3v ad0 ad2 gnd ad4 ad6 3.3v c/be0# ad9 gnd ad11 ad13 3.3v ad15 par gnd sb0# sdone 3.3v stop# gnd trdy# gnd frame# 3.3v ad16 ad18 gnd ad20 ad22 3.3v idsel ad24 gnd ad26 ad28 3.3v ad30 resvd gnd gnt# +5/3v rst# resvd gnd gnd resvd +5/3v resvd +5v intc# inta# +5v tdi tms +12v trst# -12v tck gnd tdo +5v +5v intb# intd# prsnt1# resvd prsnt2# gnd gnd resvd gnd clk gnd req# +5/3v ad31 ad29 gnd ad27 ad25 3.3v c/be3# ad23 gnd ad21 ad19 3.3v ad17 c/be2# gnd irdy# 3.3v devsel# gnd lock# perr# 3.3v serr# 3.3v c/be1# ad14 gnd ad12 ad10 gnd ad8 ad7 3.3v ad5 ad3 gnd ad1 +5/3v ack64# +5v +5v 3vcgnd 3vcgnd 3vcgnd 3vcgnd r50 20k r51 20k u2 nm24c16 1 2 4 3 8 6 5 7 a0 a1 vss a3 vcc scl sda nc u3 271024 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 22 24 1 31 13 14 15 17 18 19 20 21 30 32 16 a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 ce oe vpp pgm o0 o1 o2 o3 o4 o5 o6 o7 a17 vcc gnd
8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 d d c c b b a a preliminary for reference only ** suject to change without notice optional it8888 0.2 isa slot ite, inc. b 3 3 monday, february 08, 1999 title size document number rev date: sheet of iochck# gnd gnd iochck# gnd sd7 rstdrv rstdrv sd7 rstdrv sd6 vcc vcc sd6 vcc sd5 irq9 irq9 sd5 irq9 sd4 -5v -5v sd4 -5v sd3 drq2 drq2 sd3 drq2 sd2 -12v -12v sd2 -12v sd1 nows# nows# sd1 nows# sd0 +12v +12v sd0 +12v iochrdy gnd gnd iochrdy gnd aen smemw# smemw# aen smemw# sa19 smemr# smemr# sa19 smemr# sa18 iow# iow# sa18 iow# sa17 ior# ior# sa17 ior# sa16 dack3# dack3# sa16 dack3# sa15 drq3 drq3 sa15 drq3 sa14 dack1# dack1# sa14 dack1# sa13 drq1 drq1 sa13 drq1 sa12 refresh# refresh# sa12 refresh# sa11 bclk bclk sa11 bclk sa10 irq7 irq7 sa10 irq7 sa9 irq6 irq6 sa9 irq6 sa8 irq5 irq5 sa8 irq5 sa7 irq4 irq4 sa7 irq4 sa6 irq3 irq3 sa6 irq3 sa5 dack2# dack2# sa5 dack2# sa4 tc tc sa4 tc sa3 bale bale sa3 bale sa2 vcc vcc sa2 vcc sa1 os c os c sa1 osc sa0 gnd gnd sa0 gnd sbhe# memcs16# memcs16# sbhe# memcs16# la23 iocs16# iocs16# la23 iocs16# la22 irq10 irq10 la22 irq10 la21 irq11 irq11 la21 irq11 la20 irq12 irq12 la20 irq12 sa19 irq15 irq15 sa19 irq15 sa18 irq14 irq14 sa18 irq14 sa17 dack0# dack0# sa17 dack0# memr# drq0 drq0 memr# drq0 memw# dack5# dack5# memw# dack5# sd8 drq5 drq5 sd8 drq5 sd9 dack6# dack6# sd9 dack6# sd10 drq6 drq6 sd10 drq6 sd11 dack7# dack7# sd11 dack7# sd12 drq7 drq7 sd12 drq7 sd13 vcc vcc sd13 vcc sd14 master# master# sd14 master# sd15 gnd gnd sd15 gnd drq7 drq6 drq5 drq3 drq2 drq1 drq0 ior# iow# smemr# smemw# bclk memr# sd7 memw# sd6 sd5 sd4 sd3 sd2 sd1 os c sd0 master# memcs16# +12v -12v iocs16# -5v sd8 sd9 nows# sd10 sd11 sd12 sd13 refresh# sd14 sd15 iochrdy iochck# iochck# sd7 sd6 sd5 sd4 sd3 sd2 sd1 sd0 iochrdy aen sa18 sa17 sa16 sa15 sa14 sa13 sa12 sa11 sa10 sa9 sa8 sa7 sa6 sa5 sa4 sa3 sa2 sa1 sa0 gnd rstdrv vcc irq9 -5v drq2 -12v +12v gnd smemw# smemr# ior# dack3# drq3 dack1# drq1 refresh# bclk irq7 irq6 irq5 irq4 irq3 dack2# tc bale vcc os c gnd memr# memw# sd8 sd9 sd10 sd11 sd12 sd13 sd14 sd15 memcs16# iocs16# irq10 irq11 irq12 irq15 irq14 drq0 dack0# dack5# drq5 dack6# drq6 dack7# drq7 vcc master# gnd vcc gnd +12v -12v -5v sa19 sa17 sa18 sa19 la20 la21 la22 la23 sbhe# iow# nows# vcc vcc vcc vcc vcc vcc +3v vcc +12v -12v rp4 rp10-10k 2 3 4 5 6 7 8 9 10 1 r1 r2 r3 r4 r5 r6 r7 r8 r9 c r3 330 r2 330 r1 330 rp3 rp10-10k 2 3 4 5 6 7 8 9 10 1 r1 r2 r3 r4 r5 r6 r7 r8 r9 c bc9 cap r4 330 r10 1k r11 1k r21 4.7k bc14 cap bc17 cap bc8 cap u4 14.318mhz 1 2 4 3 nc gnd vcc out bc12 cap bc19 cap bc20 cap bc1 cap bc2 cap bc3 cap bc4 cap bc5 cap bc6 cap bc7 cap bc10 cap bc11 cap bc13 cap bc15 cap bc16 cap rp6 rp8-4.7k 2 3 4 5 6 7 8 1 r1 r2 r3 r4 r5 r6 r7 c rp2 rp10-10k 2 3 4 5 6 7 8 9 10 1 r1 r2 r3 r4 r5 r6 r7 r8 r9 c j2 con31x2 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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a20 a21 a22 a23 a24 a25 a26 a27 a28 a29 a30 a31 b1 b2 b3 b4 b5 b6 b7 b8 b9 b10 b11 b12 b13 b14 b15 b16 b17 b18 b19 b20 b21 b22 b23 b24 b25 b26 b27 b28 b29 b30 b31 j3 con31x2 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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a20 a21 a22 a23 a24 a25 a26 a27 a28 a29 a30 a31 b1 b2 b3 b4 b5 b6 b7 b8 b9 b10 b11 b12 b13 b14 b15 b16 b17 b18 b19 b20 b21 b22 b23 b24 b25 b26 b27 b28 b29 b30 b31 j4 con31x2 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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a20 a21 a22 a23 a24 a25 a26 a27 a28 a29 a30 a31 b1 b2 b3 b4 b5 b6 b7 b8 b9 b10 b11 b12 b13 b14 b15 b16 b17 b18 b19 b20 b21 b22 b23 b24 b25 b26 b27 b28 b29 b30 b31 j7 con18x2 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 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 c16 c17 c18 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 j8 con18x2 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 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 c16 c17 c18 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 j9 con18x2 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 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 c11 c12 c13 c14 c15 c16 c17 c18 d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18
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