LM3S8962评估板原理图

11 22 33 44 55 66 D D C C B B A A D oc um en t N um be r: R ev Sh ee t D at e: of 9/ 25 /2 00 8 1 4 D ra w in g Ti tle : Pa ge T itl e: Si ze Et he rn et a nd C A N E va lu at io n Bo ar d LM 3S 89 62 M ic ro , E th er ne t a nd C A N B C EK -L M 3S 89 62 R ev is io n D at e D es cr ip ti on 0 Ju l 2 4, 0 7 Pr ot ot yp e re le as e H is to ry 18 PF C8 18 PF C9 IN T_ TC K TM S/ SW D IO PC 2/ TD I PC 3/ TD O A D C3 A D C2 A D C1 A D C0 M CU RS Tn 65 842 31 7 1C T: 1 TX + TX - RX + RX - 1C T: 1 Y+Y-G+ G- 3 8745 61112 2 1 GL GR 9 10 NC GN D P2 J3 01 1G 21 D N L R5 49 .9 +3 .3 V C 13 0. 01 U F R4 49 .9 R8 49 .9 R9 49 .9 C4 0. 1U F +3 .3 V C5 0. 1U F +3 .3 V C7 10 pF C2 10 pF C3 10 pF C1 9 0. 01 U F C1 4 0. 01 U F C1 5 0. 01 U F C1 7 0. 1U F C 16 0. 1U F C1 2 0. 1U F +3 .3 V +3 .3 V R6 33 0 PA 1/ U 0T x PA 2/ SS I0 CL K PA 3/ SS I0 FS S PA 4/ SS I0 RX PA 5/ SS I0 TX PA 0/ U 0R x R3 10 K +3 .3 V R7 33 0 +3 .3 V +3 .3 V PA 6/ CC P1 PA 7 TM S/ SW D IO PC 2/ TD I PC 3/ TD O PC 4/ Ph A 0 PC 5 PC 6/ Ph B0 PC 7 PE 0/ PW M 4 PE 1/ PW M 5 PE 2/ Ph B1 PE 3/ Ph A 1 PG 0 PG 1/ PW M 1 PF 1/ ID X 1 PF 0/ PW M 0 PD 7/ ID X 0 PD 6/ FA U LT PD 5 PD 4/ CC P0 PD 3/ U 1T X PD 2/ U 1R X PD 1/ CA N 0T x PD 0/ CA N 0R x PB 6/ C0 + PB 5/ C0 o PB 4/ C0 - PB 3/ I2 CS D A PB 2/ I2 C0 SC L PB 1/ PW M 3 PB 0/ PW M 2 PF 2/ LE D 1 PF 3/ LE D 0 C2 0 0. 1U F C 21 4. 7U F C1 8 4. 7U F 1 2 Y 1 25 .0 0M H z JP 1 JP 2 PA 0/ U 0R x PA 1/ U 0T x V CP _R X V CP _T X SS IC LK O LE D CS n PA 2/ SS I0 CL K PA 3/ SS I0 FS S SS IT X PA 5/ SS I0 TX O n- bo ar d Pe rip he ra l S ig na ls fre e G P IO li ne s as re qu ire d. SE LE CT _S W n LE D U P_ SW n D O W N _S W n LE FT _S W n RI G H T_ SW n Ju m pe rs c an b e cu t t o SO U N D SS IR X PA 4/ SS I0 RX O SC 32 IN O SC 32 O U T O LE D D C CA RD CS n PF 1/ ID X 1 PF 0/ PW M 0 PE 0/ PW M 4 PE 1/ PW M 5 PE 2/ Ph B1 PE 3/ Ph A 1 PG 1/ PW M 1 PG 0 PA 6/ CC P1 C6 10 pF R2 10 K +3 .3 V 1 2 Y 2 8. 00 M H z 18 PF C1 0 18 PF C1 1 10 /1 00 ba se T E th er ne t J ac k S te lla ris L M 3S 89 62 M ic ro co nt ro lle r 1 2 3 4 5 6 7 8 9 10 P1 H ea de r 5 X 2 +5 V R1 12 0R +5 V P in -o ut e na bl es s tra ig ht -th ro ug h co nn ec tio n to a C AN D B- 9M . +B U SP W R CA N H G N D G N D CA N L C1 0. 1U F D 1 M BR 05 20 CA N H 7 C A N L 6 TX D 1 RX D 4 RS 8 G N D 2 V RE F 5 V CC 3 U 2 SN 65 H V D 10 50 D JP 17 C A N P or t PB 7/ TR ST EN +1 5V PA 7 PB 7/ TR ST PD 4/ CC P0 PD 6/ FA U LT 1 2 32 36 31 59 60 A D C 3 A D C 1 PD 2/ U 1R X PG 1/ PW M 1 PC 7 PC 5 PA 1/ U 0T x PA 3/ SS I0 FS S PA 5/ SS I0 TX PA 7 PB 4/ C0 - PD 5 PD 7/ ID X 0 A D C0 A D C2 PD 3/ U 1T X PG 0 PC 6/ Ph B 0 PC 4/ Ph A 0 PA 0/ U 0R x PA 2/ SS I0 C LK PA 4/ SS I0 R X PA 6/ CC P1 +3 .3 V +1 5V PB 5/ C0 o PB 6/ C0 + PB 7/ TR ST PC 2/ TD I PC 3/ TD O PE 3/ Ph A 1 PE 2/ Ph B 1 PE 0/ PW M 4 PE 1/ PW M 5 PB 2/ I2 C 0S C L PB 3/ I2 C SD A PB 1/ PW M 3 PF 1/ ID X 1 PB 0/ PW M 2 PF 3/ LE D 0 PF 2/ LE D 1 O SC 32 O U T O SC 32 IN +3 .3 V PF 0/ PW M 0 I/O B re ak -o ut H ea de rs +5 V 29 30 Pr od uc tio n Re le as e A ug 1 1, 0 7 A Im pl em en t a ut o TV cc c on tro l Ja n 28 , 0 8 B A dd R 36 fo r f ut ur e co m pa tib ili ty . M ay 1 2, 0 8 C R3 6 12 .4 K Ti e R 8/ R 9 to + 3. 3V . +3 .3 V PA 0/ U 0R X 26 PA 1/ U 0T X 27 PA 2/ SS I0 CL K 28 PA 3/ SS I0 FS S 29 PA 4/ SS I0 RX 30 PA 5/ SS I0 TX 31 PC 0/ TC K /S W CL K 80 PC 1/ TM S/ SW D IO 79 PC 2/ TD I 78 PC 3/ TD O /S W O 77 PC 4/ Ph A 0 25 PC 5 24 PC 6/ Ph B0 23 PC 7 22 PD 0/ CA N 0R x 10 PD 1/ C A N 0T x 11 PD 2/ U 1R X 12 PD 3/ U 1T X 13 PD 4/ CC P0 95 PD 5 96 PD 6/ FA U LT 99 PD 7/ ID X 0 10 0 G N D 9 G N D 15 G N D 21 G N D 33 RS T 64 LD O 7 M O SC in 48 M O SC ou t 49 PB 0/ PW M 2 66 PB 1/ PW M 3 67 PB 2/ I2 C0 SC L 70 PB 3/ I2 C0 SD A 71 PB 4/ C0 - 92 PB 5/ C0 o 91 PB 6/ C0 + 90 PB 7/ TR ST 89 PE 0/ PW M 4 72 PE 1/ PW M 5 73 PE 2/ Ph B1 74 PE 3/ Ph A 1 75 A D C3 6 A D C2 5 PA 6/ CC P1 34 PA 7 35 A D C1 2 A D C0 1 PF 0/ PW M 0 47 PF 1/ ID X 1 61 PF 2/ LE D 1 60 PF 3/ LE D 0 59 M D IO 58 TX O N 46 TX O P 43 G N D 42 PG 0 19 PG 1/ PW M 1 18 X TA LN PH Y 17 X TA LP PH Y 16 ER B IA S 41 RX IP 40 R X IN 37 V D D 33 36 G N D 86 G N D 85 V D D 33 84 V D D 33 83 A V D D 3 A V D D 98 A G N D 97 A G N D 4 V D D 33 8 V D D 33 20 V D D 33 32 V D D 33 44 V D D 33 56 V D D 33 68 V D D 33 81 V D D 33 93 G N D 39 G N D 45 G N D 54 G N D 57 G N D 63 G N D 69 G N D 82 G N D 87 G N D 94 V D D 25 14 V D D 25 38 V D D 25 62 V D D 25 88 W A K E 50 H IB 51 O SC 32 in 52 O SC 32 ou t 53 V B A T 55 CM O D 0 65 CM O D 1 76 U 1 LM 3S 89 62 co m pa tib ili ty w ith fu tu re L M 3S 89 62 re vi sio ns 12 .4 K 1 % re sis to r r eq ui re d on P in 4 1 fo r Se e Pr od uc t C ha ng e N ot ifi ca tio n PC N -0 80 01 Ju l 1 0, 0 8 Fi x la be ls fo r J P3 -1 6 JP 7 JP 9 JP 5 JP 6 JP 8 JP 3 JP 16 JP 11 JP 12 JP 15 JP 13 JP 14 JP 4 JP 10 Se pt 2 5, 0 8 Fi x ne t n am es fo r s om e G PI O (R ev C 1 PC B) S ch em at ic p ag e 1 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 Greenwind 删划线 11 22 33 44 55 66 D D C C B B A A D oc um en t N um be r: R ev Sh ee t D at e: of 9/ 25 /2 00 8 2 4 D ra w in g Ti tle : Pa ge T itl e: Si ze Et he rn et a nd C A N E va lu at io n Bo ar d O LE D D is pl ay , S w itc he s a nd A ud io B C EK -L M 3S 89 62 R1 6 33 0 R1 0 20 0K SS IT X SS IC LK +3 .3 V D BG O U TL ED Re se t SW 1 SW -B 3S 10 00 SE LE CT _S W n U P_ SW n D O W N _S W n LE FT _S W n RI G H T_ SW n RE SE T_ SW n R 13 10 K +3 .3 V Se le ct U p D ow n Le ft Ri gh t D eb ug O ut R1 4 33 0 LE D St at us R1 8 33 0 Po w er R 11 2. 2 +5 V Q 1 N D S3 31 N R1 2 10 K SO U N D 12 8x 96 O LE D G ra ph ic s D is pl ay Sp ea ke r C irc ui t St at us L ED s U se r S w itc he s +3 .3 V C2 2 4. 7U F D 2 M BR 05 20 SW 2 SW -B 3S 10 00 SW 3 SW -B 3S 10 00 SW 4 SW -B 3S 10 00 SW 5 SW -B 3S 10 00 SW 6 SW -B 3S 10 00 M CU RS Tn O LE D D C m ic ro SD C ar d Sl ot 1 2 3 4 5 6 7 8 9 10 11 12 P3 29 08 -0 5W B -M G +3 .3 V C2 6 0. 1U F +3 .3 V CA RD CS n SS IT X SS IC LK SS IR X R1 5 10 K R1 7 10 K +3 .3 V +3 .3 V 1 2 BZ 1 N FT -0 3C LE D 1 G re en LE D 2 Re d LE D 3 G re en C2 5 O M IT +1 5V O LE D C Sn C2 3 0. 1U F C 24 0. 1U F RG S1 31 28 09 6W H 00 0 N C 1 V CI R 2 V CO M H 3 LV SS 4 V SS 5 BS 1 6 BS 2 7 IR EF 8 CS n 9 RE Sn 10 D /C n 11 R/ W n 12 E 13 D 0/ SC LK 14 D 1/ SD IN 15 D 2 16 D 3 17 D 4 18 D 5 19 D 6 20 D 7 21 V D D IO 22 V D D 23 V CC 24 N C 25 U 3 O LE D -R IT -1 28 X 96 +3 .3 V S ch em at ic p ag e 2 11 22 33 44 55 66 D D C C B B A A D oc um en t N um be r: R ev Sh ee t D at e: of 9/ 25 /2 00 8 3 4 D ra w in g Ti tle : Pa ge T itl e: Si ze Et he rn et a nd C A N E va lu at io n Bo ar d U SB , D eb ug ge r I nt er fa ce s a nd P ow er B C EK -L M 3S 89 62 +3 .3 V +5 V U SB + 5V to + 3. 3V 5 00 m A Po w er S up pl y U SB +5 V JP 19 C4 1 4. 7U F C2 7 4. 7U F +1 5V 5 0m A Po w er S up pl y fo r O LE D D is pl ay +1 5V FB 3 V IN 5 SH D N n 4 G N D 2 SW 1 U 7 FA N 53 31 +5 V C4 3 4. 7U F C4 0 4. 7U F D 3 M BR 05 20 0. 1U F C3 9 12 0p F C3 8 R 20 20 0K R 33 17 .8 K EN +1 5V R1 9 10 K FB 1 60 oh m @ 1 00 M H z G N D 18 G N D 25 G N D 34 A D B U S0 24 A D B U S1 23 A D B U S2 22 A D B U S3 21 A D B U S4 20 A D B U S5 19 A D B U S6 17 A D B U S7 16 A C BU S0 15 A C BU S1 13 A C BU S2 12 A C BU S3 11 BD BU S0 40 BD BU S1 39 BD BU S2 38 BD BU S3 37 BD BU S4 36 BD BU S5 35 BD BU S6 33 BD BU S7 32 BC B U S0 30 BC B U S1 29 BC B U S2 28 BC B U S3 27 SI /W U A 10 SI /W U B 26 G N D 9 A G N D 45 V CC 3 V CC 42 V C CI O A 14 V CC IO B 31 A V CC 46 PW RE N # 41 X TO U T 44 X TI N 43 EE CS 48 EE SK 1 EE D A TA 2 TE ST 47 RE SE T# 4 RS TO U T# 5 3V 3O U T 6 U SB D M 8 U SB D P 7 U 4 FT 22 32 D +3 .3 v U SB +5 V R2 1 27 R2 2 27 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P5 H ea de r 1 0X 2 +3 .3 V +3 .3 V D BG _J TA G _E N R2 4 10 K R2 5 1. 5K R2 3 1. 5K R3 0 33 0 +5 V +5 V +5 V +5 V X TD I X TM S TC K TD I/D I TD O /D O TM S/ O U TE N 0. 1U F C3 7 0. 1U F C3 3 0. 1U F C3 4 0. 1U F C3 5 0. 1U F C3 6 0. 1U F C3 1 U SB D ev ic e C on tro lle r C ha nn el A : JT A G / SW D eb ug Ch an ne l B : V irt ua l C om P or t R3 1 27R2 9 27R2 6 27 X TC K R2 8 27 V CP _R X V CP _T X TC K /S W CL K PC 2/ TD I PC 3/ TD O TM S/ SW D IO C3 2 0. 01 U F 5V D- D+ ID G 1 2 3 4 7 5 6 P4 54 81 9- 05 19 +3 .3 V SR ST N TA RG ET CA BL En X TD O R2 7 27 TP 4 TP 3 TP 2 TP 1 TP 5 TP 6 +3 .3 V PL D JT A G T ES T PO IN TS PL D _T CK PL D _T M S PL D _T D I PL D _T D O R3 2 4. 7K +3 .3 v D eb ug In te rfa ce L og ic PC 3/ TD O TC K /S W CL K TM S/ SW D IO PC 2/ TD I JT A G /S W D In te rfa ce In pu t/O ut pu t U SB In te rfa ce TDI 1 A 5 2 A 6 3 A 7 4 GND (Bank 0) 5 VCCO (Bank 0) 6 A 8 7 A 9 8 A 10 9 A 11 10 TCK 11 VCC 12 GND 13 A 12 14 A13 15 A14 16 A15 17 CLK1/I 18 CLK2/I 19 B0 20 B1 21 B2 22 B3 23 B4 24 TMS 25 B5 26 B6 27 B7 28 GND (Bank 1) 29 VCCO (Bank 1) 30 B8 31 B9 32 B1 0 33 B1 1 34 TDO 35 VCC 36 GND 37 B1 2 38 B13 39 B14 40 B15/GOE1 41 CLK3/I 42 CLK0/I 43 A 0/ G O E0 44 A 1 45 A 2 46 A 3 47 A 4 48 Ba nk 0 B an k 1 U 6 LC 40 32 V -7 5T N 48 C +3 .3 V PC 2/ TD I M CU RS Tn D BG O U TL ED TA RG ET CA BL En PC 3/ TD O RE SE T_ SW n 0. 1U F C2 9 +3 .3 V TM S/ SW D IO TC K /S W CL K JP 18 U SB SH CS 1 SK 2 D I 3 D O 4 G N D 5 O RG 6 N C 7 V CC 8 1K 6 4X 16 U 5 CA T9 3C 46 1 2 Y 3 6. 00 M H z 18 PF C2 8 18 PF C3 0 PB 7/ TR ST 0. 1U F C 42 R3 4 4. 7K +3 .3 V IN T_ TC K SW O _E N V CP _T X _S W O M O D E M O D E is re se rv ed fo r f ut ur e us e. 10 uH L1 N R 40 18 T1 00 M V O U T 4 SE N SE 5 V IN 2 6 G N D 2 N C 3 G N D 7 V IN 1 1 U 8 LP 83 45 IL D -3 .3 R3 5 4. 7K +3 .3 V +3 .3 V TV CC S ch em at ic p ag e 3 11 22 33 44 55 66 D D C C B B A A D oc um en t N um be r: R ev Sh ee t D at e: of 9/ 25 /2 00 8 4 4 D ra w in g Ti tle : Pa ge T itl e: Si ze Et he rn et a nd C A N E va lu at io n Bo ar d CA N D ev ic e us in g LM 3S 21 10 B C EK -L M 3S 89 62 D G N D D G N D D G N D C1 12 0. 1U F D G N D D G N D D G N D D +3 .3 V D +3 .3 V St el la ris L M 3S 21 10 M ic ro co nt ro lle r D G N D D G N D D G N D D +5 V C AN T ra ns ce iv er Pi n- ou t e na bl es s tra ig ht -th ro ug h co nn ec tio n to a C A N D B- 9M . +5 V BU S D C A N H D CA N L D G N D D +3 .3 V D +5 V+ 5V to + 3. 3V 5 00 m A Po w er S up pl y D G N D D G N D D G N D +5 V BU S +5 V BU S D +5 V D +3 .3 V D G N D D TD I D TM S D TC K D G N D D TD O D +3 .3 V R1 03 68 K D G N D D +3 .3 V D RS Tn SW 10 0 SW -B 3S 10 00 SW 10 1 SW -B 3S 10 00 U p D ow n D G N D R1 00 33 0 St at us D G N D D PF 0 D PF 1 D PF 2 D TD I D TM S D TC K D TD O D G N D R1 01 33 0 Po w er D +3 .3 V C 10 1 0. 1U F D G N D C 11 0 0. 1U F C1 09 0. 1U F C1 08 0. 01 U F C1 07 0. 01 U F R1 02 12 0R C1 02 0. 1U F 1 2 3 4 5 6 7 8 9 10 P1 00 H ea de r 5 X 2 18 PF C1 04 18 PF C1 031 2 Y 10 0 8. 00 M H z O M IT C1 00 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P1 01 H ea de r 1 0X 2 Po w er R ai l B re ak -o ut C1 11 0. 01 U F C1 13 4. 7U F C 10 5 4. 7U F C 10 6 4. 7U F JT A G /S W D In te rfa ce CA N H 7 CA N L 6 TX D 1 RX D 4 RS 8 G N D 2 V RE F 5 V C C 3 U 10 1 SN 65 H V D 10 50 D CA N P or t D PF 0 D PF 1 D PF 2 SW 10 2 SW -B 3S 10 00 Re se t D R ST n JP 10 0 JP 10 1 LE D 10 0 G re en LE D 10 1 G re en R1 04 68 K D +3 .3 V 35 33 60 36 32 2134 43 46 45 48 61 62 59 58 7 8 64 63 66 65 31 44 41 40 39 30 29 28 12 11 10 9 27 26 25 57 56 55 54 17 18 19 20 21 22 23 24 53 52 16 15 14 13 47 50 49 51 3 4 5 6 37 38 42 C A N D ev ic e E va lu at io n B oa rd N O TE : S om e LM 3S 21 10 p in s a re no -c on ne ct s. T he se p in s h av e be en b ro ug ht ou t t o pa ds to a llo w o th er S te lla ris C A N de vi ce s t o be u se d in ste ad o f L M 3S 21 10 . PA 0/ U 0R X 26 PA 1/ U 0T X 27 PA 2/ SS I0 CL K 28 PA 3/ SS I0 FS S 29 PA 4/ SS I0 RX 30 PA 5/ SS I0 TX 31 PC 0/ TC K /S W CL K 80 PC 1/ TM S/ SW D IO 79 PC 2/ TD I 78 PC 3/ TD O /S W O 77 PC 4 25 PC 5/ C1 + 24 PC 6/ C2 + 23 PC 7/ C2 - 22 PD 0/ C A N 0R X 10 PD 1/ CA N 0T X 11 PD 2 12 PD 3 13 PD 4/ CC P3 95 PD 5 96 PD 6/ FA U LT 99 PD 7/ C0 o 10 0 G N D 9 G N D 15 G N D 21 G N D 33 RS T 64 LD O 7 M O SC in 48 M O SC ou t 49 PB 0/ CC P0 66 PB 1/ CC P2 67 PB 2/ I2 C 0S C L 70 PB 3/ I2 C 0S D A 71 PB 4/ C0 - 92 PB 5/ C1 - 91 PB 6/ C0 + 90 PB 7/ TR ST 89 PE 0 72 PE 1 73 nc 74 nc 75 nc 6 nc 5 PA 6/ C CP 1 34 nc 35 nc 2 nc 1 PF 0/ PW M 0 47 PF 1/ PW M 1 61 PF 2 60 nc 59 nc 58 nc 46 nc 43 nc 42 PG 0 19 PG 1 18 nc 17 nc 16 nc 41 nc 40 nc 37 nc 36 PH 0 86 PH 1 85 nc 84 nc 83 A V D D 3 A V D D 98 A G N D 97 A G N D 4 V D D 33 8 V D D 33 20 V D D 33 32 V D D 33 44 V D D 33 56 V D D 33 68 V D D 33 81 V D D 33 93 G N D 39 G N D 45 G N D 54 G N D 57 G N D 63 G N D 69 G N D 82 G N D 87 G N D 94 V D D 25 14 V D D 25 38 V D D 25 62 V D D 25 88 W A K E 50 H IB 51 O SC 32 in 52 O SC 32 ou t 53 V BA T 55 CM O D 0 65 CM O D 1 76 U 10 0 LM 3S 21 10 V O U T 4 SE N SE 5 V IN 2 6 G N D 2 N C 3 G N D 7 V IN 1 1 U 10 2 LP 83 45 IL D -3 .3 S ch em at ic p ag e 4 A B C D E F G H A B C D E F G H 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 I1 02 I1 00 C D Q I9 6 I1 05 I1 04 I3 6 I3 5 I1 8 AB S I8 9 A B S I8 5 AB S I1 7 AB S I1 06 33 I8 6 44 I2 21 I1 07 38 I7 0 7 I4 2 31 I9 0 34 I3 47 I6 46 I9 2 32 I1 6 24 I1 08 16 I1 3 26 I1 5 9 I7 4 14 I9 1 10 I7 45 I3 7 3 I5 4 I4 48 I8 741 I84 0 I9 I9 9 I1 11 I1 12 I9 5 I1 09 I2 0 FT D I_ D B G D B G O U T V C P _T X IT C K S W O _E N FT D I_ TC K X TC K FT D I_ TD I_ D O U 0T X X TD O FT D I_ TD O _D I JT A G E N FT D I_ TM S X TD I JT A G E N FT D I_ D B G FT D IJ TA G E N S W D E N FT D I_ S R S Tn X TM S FT D I_ D B G D B G O U T D B G LE D IN TD B G TE S T TR S Tn R S TS W M C U R S Tn R C E X TC A B LE n H IB n D R V E N A U G 2 3, 2 00 7 JT A G L og ic w ith A ut o M od e D et ec t a nd H ib er na te Te xa s In st ru m en ts , I nc . LM 3S 89 62 E va lu at io n K it S ch em at ic p ag e 5