diff --git a/65xx.dcm b/65xx.dcm
index 16d8745..c8de35f 100644
--- a/65xx.dcm
+++ b/65xx.dcm
@@ -140,10 +140,16 @@ $ENDCMP
 #
 $CMP 6545
 D 6545 NMOS CRT Controller (CRTC), DIP-40
-K 6502 6545 CRTC I/O
+K 6502 6545 CRTC Video
 F http://www.6502.org/documents/datasheets/mos/mos_6545-1_crtc.pdf
 $ENDCMP
 #
+$CMP 6551
+D 6551 NMOS Asynchronous Communication Interface Adapter (ACIA), Serial UART, DIP-28
+K 6502 6551 ACIA UART
+F http://www.6502.org/documents/datasheets/mos/mos_6551_acia.pdf
+$ENDCMP
+#
 $CMP 65CE02
 D 6502 8-bit CMOS Microprocessor, 64K, DIP-40
 K 6502 65CE02 CPU uP
@@ -232,6 +238,24 @@ K 6502 6522 VIA I/O
 F http://www.westerndesigncenter.com/wdc/documentation/w65c22.pdf
 $ENDCMP
 #
+$CMP W65C51NxP
+D W65C51N CMOS Asynchronous Communication Interface Adapter (ACIA), Serial UART, DIP-28
+K 6502 6551 ACIA UART
+F http://www.westerndesigncenter.com/wdc/documentation/w65c51n.pdf
+$ENDCMP
+#
+$CMP W65C51NxPL
+D W65C51N CMOS Asynchronous Communication Interface Adapter (ACIA), Serial UART, PLCC-28
+K 6502 6551 ACIA UART
+F http://www.westerndesigncenter.com/wdc/documentation/w65c51n.pdf
+$ENDCMP
+#
+$CMP W65C51NxQ
+D W65C51N CMOS Asynchronous Communication Interface Adapter (ACIA), Serial UART, PQFP-32
+K 6502 6551 ACIA UART
+F http://www.westerndesigncenter.com/wdc/documentation/w65c51n.pdf
+$ENDCMP
+#
 $CMP W65C816SxP
 D W65C816S 8/16-bit CMOS General Purpose Microprocessor, DIP-40
 K 6502 65816 CPU uP
diff --git a/65xx.lib b/65xx.lib
index 0d8a7f2..073979a 100644
--- a/65xx.lib
+++ b/65xx.lib
@@ -1046,6 +1046,50 @@ X MA5 9 600 50 200 L 50 50 1 1 O
 ENDDRAW
 ENDDEF
 #
+# 6551
+#
+DEF 6551 U 0 40 Y Y 1 F N
+F0 "U" -400 1300 50 H V L CNN
+F1 "6551" 0 0 50 V V C CIB
+F2 "" 0 150 50 H I C CNN
+F3 "" 0 150 50 H I C CNN
+ALIAS W65C51NxP
+$FPLIST
+ DIP-28_W15.24mm*
+$ENDFPLIST
+DRAW
+S -400 1250 400 -1250 0 1 0 f
+X VSS 1 0 -1450 200 U 50 50 1 1 W
+X TxD 10 600 300 200 L 50 50 1 1 O
+X ~DTR 11 600 -300 200 L 50 50 1 1 O V
+X RxD 12 600 200 200 L 50 50 1 1 I
+X RS0 13 -600 300 200 R 50 50 1 1 I
+X RS1 14 -600 200 200 R 50 50 1 1 I
+X VCC 15 0 1450 200 D 50 50 1 1 W
+X ~DCD 16 600 -600 200 L 50 50 1 1 I L
+X ~DSR 17 600 -400 200 L 50 50 1 1 I L
+X D0 18 -600 -400 200 R 50 50 1 1 B
+X D1 19 -600 -500 200 R 50 50 1 1 B
+X CS1 2 -600 600 200 R 50 50 1 1 I
+X D2 20 -600 -600 200 R 50 50 1 1 B
+X D3 21 -600 -700 200 R 50 50 1 1 B
+X D4 22 -600 -800 200 R 50 50 1 1 B
+X D5 23 -600 -900 200 R 50 50 1 1 B
+X D6 24 -600 -1000 200 R 50 50 1 1 B
+X D7 25 -600 -1100 200 R 50 50 1 1 B
+X ~IRQ 26 -600 800 200 R 50 50 1 1 C V
+X ϕ2 27 -600 1000 200 R 50 50 1 1 I C
+X R/~W 28 -600 -200 200 R 50 50 1 1 I
+X ~CS2 3 -600 500 200 R 50 50 1 1 I L
+X ~RES 4 -600 1100 200 R 50 50 1 1 I L
+X RxC 5 600 800 200 L 50 50 1 1 B C
+X XTAL1 6 600 1100 200 L 50 50 1 1 I C
+X XTAL2 7 600 1000 200 L 50 50 1 1 O
+X ~RTS 8 600 0 200 L 50 50 1 1 O V
+X ~CTS 9 600 -100 200 L 50 50 1 1 I L
+ENDDRAW
+ENDDEF
+#
 # 8502
 #
 DEF 8502 U 0 40 Y Y 1 F N
@@ -1566,6 +1610,92 @@ X PB4 9 600 -500 200 L 50 50 1 1 B
 ENDDRAW
 ENDDEF
 #
+# W65C51NxPL
+#
+DEF W65C51NxPL U 0 40 Y Y 1 F N
+F0 "U" -400 1300 50 H V L CNN
+F1 "W65C51NxPL" 0 0 50 V V C CIB
+F2 "" 0 150 50 H I C CNN
+F3 "" 0 150 50 H I C CNN
+$FPLIST
+ PLCC28
+$ENDFPLIST
+DRAW
+S -400 1250 400 -1250 0 1 0 f
+X VSS 1 0 -1450 200 U 50 50 1 1 W
+X TxD 10 600 300 200 L 50 50 1 1 O
+X ~DTR 11 600 -300 200 L 50 50 1 1 O V
+X RxD 12 600 200 200 L 50 50 1 1 I
+X RS0 13 -600 300 200 R 50 50 1 1 I
+X RS1 14 -600 200 200 R 50 50 1 1 I
+X VCC 15 0 1450 200 D 50 50 1 1 W
+X ~DCD 16 600 -600 200 L 50 50 1 1 I L
+X ~DSR 17 600 -400 200 L 50 50 1 1 I L
+X D0 18 -600 -400 200 R 50 50 1 1 B
+X D1 19 -600 -500 200 R 50 50 1 1 B
+X CS1 2 -600 600 200 R 50 50 1 1 I
+X D2 20 -600 -600 200 R 50 50 1 1 B
+X D3 21 -600 -700 200 R 50 50 1 1 B
+X D4 22 -600 -800 200 R 50 50 1 1 B
+X D5 23 -600 -900 200 R 50 50 1 1 B
+X D6 24 -600 -1000 200 R 50 50 1 1 B
+X D7 25 -600 -1100 200 R 50 50 1 1 B
+X ~IRQ 26 -600 800 200 R 50 50 1 1 C V
+X ϕ2 27 -600 1000 200 R 50 50 1 1 I C
+X R/~W 28 -600 -200 200 R 50 50 1 1 I
+X ~CS2 3 -600 500 200 R 50 50 1 1 I L
+X ~RES 4 -600 1100 200 R 50 50 1 1 I L
+X RxC 5 600 800 200 L 50 50 1 1 B C
+X XTAL1 6 600 1100 200 L 50 50 1 1 I C
+X XTAL2 7 600 1000 200 L 50 50 1 1 O
+X ~RTS 8 600 0 200 L 50 50 1 1 O V
+X ~CTS 9 600 -100 200 L 50 50 1 1 I L
+ENDDRAW
+ENDDEF
+#
+# W65C51NxQ
+#
+DEF W65C51NxQ U 0 40 Y Y 1 F N
+F0 "U" -400 1300 50 H V L CNN
+F1 "W65C51NxQ" 0 0 50 V V C CIB
+F2 "" 0 150 50 H I C CNN
+F3 "" 0 150 50 H I C CNN
+$FPLIST
+ LQFP-32_7x7mm_Pitch0.8mm
+$ENDFPLIST
+DRAW
+S -400 1250 400 -1250 0 1 0 f
+X VSS 1 0 -1450 200 U 50 50 1 1 W
+X TxD 10 600 300 200 L 50 50 1 1 O
+X ~DTR 11 600 -300 200 L 50 50 1 1 O V
+X RxD 12 600 200 200 L 50 50 1 1 I
+X RS0 13 -600 300 200 R 50 50 1 1 I
+X RS1 14 -600 200 200 R 50 50 1 1 I
+X VCC 15 0 1450 200 D 50 50 1 1 W
+X ~DCD 16 600 -600 200 L 50 50 1 1 I L
+X ~DSR 17 600 -400 200 L 50 50 1 1 I L
+X D0 18 -600 -400 200 R 50 50 1 1 B
+X D1 19 -600 -500 200 R 50 50 1 1 B
+X CS1 2 -600 600 200 R 50 50 1 1 I
+X D2 20 -600 -600 200 R 50 50 1 1 B
+X D3 21 -600 -700 200 R 50 50 1 1 B
+X D4 22 -600 -800 200 R 50 50 1 1 B
+X D5 23 -600 -900 200 R 50 50 1 1 B
+X D6 24 -600 -1000 200 R 50 50 1 1 B
+X D7 25 -600 -1100 200 R 50 50 1 1 B
+X ~IRQ 26 -600 800 200 R 50 50 1 1 C V
+X ϕ2 27 -600 1000 200 R 50 50 1 1 I C
+X R/~W 28 -600 -200 200 R 50 50 1 1 I
+X ~CS2 3 -600 500 200 R 50 50 1 1 I L
+X ~RES 4 -600 1100 200 R 50 50 1 1 I L
+X RxC 5 600 800 200 L 50 50 1 1 B C
+X XTAL1 6 600 1100 200 L 50 50 1 1 I C
+X XTAL2 7 600 1000 200 L 50 50 1 1 O
+X ~RTS 8 600 0 200 L 50 50 1 1 O V
+X ~CTS 9 600 -100 200 L 50 50 1 1 I L
+ENDDRAW
+ENDDEF
+#
 # W65C816SxP
 #
 DEF W65C816SxP U 0 40 Y Y 1 F N