diff --git a/components/interface.lib b/components/interface.lib
deleted file mode 100644
index 864e505..0000000
--- a/components/interface.lib
+++ /dev/null
@@ -1,200 +0,0 @@
-EESchema-LIBRARY Version 2.3  Date: 12/05/2009 17:20:39
-#
-# EL7242C
-#
-DEF EL7242C U 0 30 Y N 2 F N
-F0 "U" -200 100 60 H V C CNN
-F1 "EL7242C" -150 0 60 H V C CNN
-DRAW
-P 2 0 1 0  -100 200  -400 200 N
-A -100 0 200 -901 1 0 1 0 N -100 -200 100 0
-A -100 0 200 899 1 0 1 0 N -100 200 100 0
-P 2 0 1 0  400 0  200 100 N
-P 2 0 1 0  200 -100  400 0 N
-P 2 0 1 0  200 100  200 -100 N
-P 2 0 1 0  200 0  100 0 N
-P 2 0 1 0  -400 -200  -100 -200 N
-P 2 0 1 0  -400 200  -400 -200 N
-T 0 350 150 60 0 0 1 +  Normal 0
-X V+ 8 300 300 250 D 60 60 0 0 W
-X OUT 6 700 0 300 L 60 60 2 1 O
-X OUT 7 700 0 300 L 60 60 1 1 O
-X IN 4 -700 -100 300 R 60 60 2 1 I I
-X IN 2 -700 -100 300 R 60 60 1 1 I I
-X IN1 3 -700 100 300 R 60 60 2 1 I
-X IN1 1 -700 100 300 R 60 60 1 1 I
-X GND 5 300 -300 250 U 60 60 0 0 W
-ENDDRAW
-ENDDEF
-#
-# FT232BM
-#
-DEF FT232BM I 0 40 Y Y 1 F N
-F0 "I" 500 1400 60 H V C CNN
-F1 "FT232BM" 600 -1400 60 H V C CNN
-$FPLIST
- TQFP32
-$ENDFPLIST
-DRAW
-S -800 1300 800 -1300 0 1 0 N
-X VCCIO 13 -300 1600 300 D 50 50 1 1 W
-X VCC 26 -100 1600 300 D 50 50 1 1 W
-X VCC 3 100 1600 300 D 50 50 1 1 W
-X AVCC 30 300 1600 300 D 50 50 1 1 I
-X TEST 31 1100 -1000 300 L 50 50 1 1 I
-X EEDATA 2 1100 -800 300 L 50 50 1 1 B
-X EESK 1 1100 -700 300 L 50 50 1 1 O
-X EECS 32 1100 -600 300 L 50 50 1 1 B
-X XTOUT 28 1100 -400 300 L 50 50 1 1 O
-X XTIN 27 1100 -200 300 L 50 50 1 1 I
-X ~RESET 4 1100 200 300 L 50 50 1 1 I
-X ~RSTOUT 5 1100 400 300 L 50 50 1 1 O
-X USBDP 7 1100 600 300 L 50 50 1 1 B
-X USBDM 8 1100 800 300 L 50 50 1 1 B
-X 3V3OUT 6 1100 1000 300 L 50 50 1 1 w
-X ~SLEEP 10 -1100 -800 300 R 50 50 1 1 O
-X ~RXLED 11 -1100 -700 300 R 50 50 1 1 I
-X ~TXLED 12 -1100 -400 300 R 50 50 1 1 O
-X PWRCTL 14 -1100 -300 300 R 50 50 1 1 B
-X ~PWREN 15 -1100 -100 300 R 50 50 1 1 I
-X TXDEN 16 -1100 0 300 R 50 50 1 1 I
-X D7/~RI 18 -1100 300 300 R 50 50 1 1 B
-X D6/~DCD 19 -1100 400 300 R 50 50 1 1 B
-X D5/~DSR 20 -1100 500 300 R 50 50 1 1 B
-X D4/~DTR 21 -1100 600 300 R 50 50 1 1 B
-X D3/~CTS 22 -1100 700 300 R 50 50 1 1 B
-X D2/~RST 23 -1100 800 300 R 50 50 1 1 B
-X D1/RXD 24 -1100 900 300 R 50 50 1 1 B
-X D0/TXD 25 -1100 1000 300 R 50 50 1 1 B
-X GND 9 -200 -1600 300 U 50 50 1 1 W
-X GND 17 0 -1600 300 U 50 50 1 1 W
-X AGND 29 200 -1600 300 U 50 50 1 1 W
-ENDDRAW
-ENDDEF
-#
-# FT245BM
-#
-DEF FT245BM I 0 40 Y Y 1 F N
-F0 "I" 500 1400 60 H V C CNN
-F1 "FT245BM" 600 -1400 60 H V C CNN
-DRAW
-S -800 1300 800 -1300 0 1 0 N
-X VCCIO 13 -300 1600 300 D 50 50 1 1 W
-X VCC 26 -100 1600 300 D 50 50 1 1 W
-X VCC 3 100 1600 300 D 50 50 1 1 W
-X AVCC 30 300 1600 300 D 50 50 1 1 I
-X TEST 31 1100 -1000 300 L 50 50 1 1 I
-X EEDATA 2 1100 -800 300 L 50 50 1 1 B
-X EESK 1 1100 -700 300 L 50 50 1 1 O
-X EECS 32 1100 -600 300 L 50 50 1 1 B
-X XTOUT 28 1100 -400 300 L 50 50 1 1 O
-X XTIN 27 1100 -200 300 L 50 50 1 1 I
-X ~RESET 4 1100 200 300 L 50 50 1 1 I
-X ~RSTOUT 5 1100 400 300 L 50 50 1 1 O
-X USBDP 7 1100 600 300 L 50 50 1 1 B
-X USBDM 8 1100 800 300 L 50 50 1 1 B
-X 3V3OUT 6 1100 1000 300 L 50 50 1 1 w
-X ~PWREN 10 -1100 -800 300 R 50 50 1 1 O
-X SI/WU 11 -1100 -700 300 R 50 50 1 1 I
-X ~RXF 12 -1100 -400 300 R 50 50 1 1 O
-X ~TXE 14 -1100 -300 300 R 50 50 1 1 O
-X WR 15 -1100 -100 300 R 50 50 1 1 I
-X ~RD 16 -1100 0 300 R 50 50 1 1 I
-X D7 18 -1100 300 300 R 50 50 1 1 B
-X D6 19 -1100 400 300 R 50 50 1 1 B
-X D5 20 -1100 500 300 R 50 50 1 1 B
-X D4 21 -1100 600 300 R 50 50 1 1 B
-X D3 22 -1100 700 300 R 50 50 1 1 B
-X D2 23 -1100 800 300 R 50 50 1 1 B
-X D1 24 -1100 900 300 R 50 50 1 1 B
-X D0 25 -1100 1000 300 R 50 50 1 1 B
-X GND 9 -200 -1600 300 U 50 50 1 1 W
-X GND 17 0 -1600 300 U 50 50 1 1 W
-X GND 29 200 -1600 300 U 50 50 1 1 W
-ENDDRAW
-ENDDEF
-#
-# IR2110
-#
-DEF IR2110 U 0 30 Y Y 1 F N
-F0 "U" 250 500 60 H V C CNN
-F1 "IR2110" 350 -497 60 H V C CNN
-DRAW
-S -300 450 300 -400 0 1 0 N
-S -150 350 -150 350 0 1 0 N
-X VDD 9 -150 650 200 D 50 30 1 1 W
-X PWR 3 150 650 200 D 50 30 1 1 W
-X VoutL 1 600 -200 300 L 50 40 1 1 O
-X VS 5 600 150 300 L 50 50 1 1 I
-X VoutH 7 600 250 300 L 50 50 1 1 O
-X VB 6 600 350 300 L 50 50 1 1 I
-X VinL 12 -600 -200 300 R 50 40 1 1 I
-X Sh_Dw 11 -600 0 300 R 50 40 1 1 I
-X VinH 10 -600 250 300 R 50 40 1 1 I
-X VSS 13 -150 -600 200 U 50 30 1 1 W
-X PGND 2 150 -600 200 U 50 30 1 1 W
-ENDDRAW
-ENDDEF
-#
-# LTC2861
-#
-DEF LTC2861 U 0 40 Y Y 1 F N
-F0 "U" 0 650 60 H V C CNN
-F1 "LTC2861" 0 -650 60 H V C CNN
-F2 "SSOP28" -150 550 40 H I C CNN
-$FPLIST
- SSOP28*
-$ENDFPLIST
-DRAW
-P 5 0 1 10  -150 450  -150 150  150 300  -150 450  -150 450 f
-P 5 0 1 10  150 -50  150 -350  -150 -200  150 -50  150 -50 f
-P 3 0 1 0  -200 200  -150 200  -150 200 N
-P 4 0 1 0  50 250  50 150  150 150  150 150 N
-P 4 0 1 0  -200 0  50 0  50 -100  50 -100 N
-P 4 0 1 0  -200 -100  -50 -100  -50 -150  -50 -150 N
-P 4 0 1 0  -200 -300  -50 -300  -50 -250  -50 -250 N
-S 350 600 -350 -600 0 1 10 N
-P 3 0 1 0  -200 400  -150 400  -150 400 N
-P 4 0 1 0  100 -450  50 -450  50 -300  50 -300 N
-X SLO 11 600 -450 250 L 50 50 1 1 I I
-X DI 4 600 -200 250 L 50 50 1 1 I
-X RE 2 600 150 250 L 50 50 1 1 I I
-X RO 1 600 300 250 L 50 50 1 1 O
-X VCC 16 600 500 250 L 50 50 1 1 W
-X GND 6 -600 -500 250 R 50 50 1 1 W
-X Z 13 -600 -300 250 R 50 50 1 1 O I
-X Y 12 -600 -100 250 R 50 50 1 1 O
-X DE 3 -600 0 250 R 50 50 1 1 I
-X B 14 -600 200 250 R 50 50 1 1 I I
-X TE 5 -600 300 250 R 50 50 1 1 I
-X A 15 -600 400 250 R 50 50 1 1 I
-ENDDRAW
-ENDDEF
-#
-# MAX232
-#
-DEF MAX232 U 0 40 Y Y 1 F N
-F0 "U" 0 100 70 H V C CNN
-F1 "MAX232" 0 -100 70 H V C CNN
-DRAW
-S -500 -800 500 800 0 1 0 N
-X R2IN 8 800 -700 300 L 60 60 1 1 I
-X R1IN 13 800 -600 300 L 60 60 1 1 I
-X T2OUT 7 800 -500 300 L 60 60 1 1 O
-X T1OUT 14 800 -400 300 L 60 60 1 1 O
-X V- 6 800 -200 300 L 60 60 1 1 P
-X GND 15 800 100 300 L 60 60 1 1 P
-X V+ 2 800 300 300 L 60 60 1 1 P
-X VCC 16 800 700 300 L 60 60 1 1 P
-X R2OUT 9 -800 -700 300 R 60 60 1 1 O
-X R1OUT 12 -800 -600 300 R 60 60 1 1 O
-X T2IN 10 -800 -500 300 R 60 60 1 1 I
-X T1IN 11 -800 -400 300 R 60 60 1 1 I
-X C2- 5 -800 -200 300 R 60 60 1 1 P
-X C2+ 4 -800 200 300 R 60 60 1 1 P
-X C1- 3 -800 300 300 R 60 60 1 1 P
-X C1+ 1 -800 700 300 R 60 60 1 1 P
-ENDDRAW
-ENDDEF
-#
-#End Library
diff --git a/usb_jtag.pro b/usb_jtag.pro
index ac49e29..edef2ed 100644
--- a/usb_jtag.pro
+++ b/usb_jtag.pro
@@ -52,10 +52,9 @@ ShowSheetReferenceAndTitleBlock=1
 LibName1=power
 LibName2=./components/device
 LibName3=./components/conn
-LibName4=./components/interface
-LibName5=./components/ft2232h
-LibName6=./components/mic5207-3
-LibName7=./components/crystal_smd
+LibName4=./components/ft2232h
+LibName5=./components/mic5207-3
+LibName6=./components/crystal_smd
 [pcbnew]
 version=1
 PadDrlX=354
diff --git a/usb_jtag.sch b/usb_jtag.sch
index 84b9f07..5891129 100644
--- a/usb_jtag.sch
+++ b/usb_jtag.sch
@@ -2,7 +2,6 @@ EESchema Schematic File Version 2  date 2010年10月18日 星期一 00时26分18
 LIBS:power
 LIBS:device
 LIBS:conn
-LIBS:interface
 LIBS:ft2232h
 LIBS:mic5207-3
 LIBS:crystal_smd