
KL5KUSB105
Kawasaki LSI
2570 North First Street
Suite 301
San Jose, CA 95131
Tel: (408) 570-0555
Fax: (408) 570-0567
www.klsi.com
4
Ver. 1.8
USB to 4 Serial Ports
Pin #
LQFP
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
I/O
Pin Name
Description
GND
CLK
X2
XA_15
VDD
VDD
XA_14
XA_0
nXBHE
GND
nXRAMSEL
UART3_Rxd*
UART3_RTS*
UART3_DTR*
UART3_CTS*
UART3_DSR*
UART3_DCD*
nXRD
nXWR
nXROMSEL
nNRESET
nNTST*
GND
XA_1
XA_2
XA_3
XA_4
XA_5
XA_6
XA_7
XA_8
XA_9
XA_10
XA_11
XA_12
XA_13
GND
XD_0*
XD_1*
XD_2*
XD_3*
XD_4*
XD_5*
XD_6*
XD_7*
XD_8*
XD_9*
XD_10*
XD_11*
GND
12MHz Clock/Crystal Input
12MHz Crystal Output
External Address Pin
VDD
VDD
External Address Pin
External Address Pin
External byte High Enable (Active low)
GND
External RAM CS (Active low)
Receive Data
Request To Send
Data Terminal Ready
Clear To Send
Data Set Ready
Data Carrier Detect
External Memory Read (Active low)
External Memory Write (Active low)
External ROM CS (Active low)
Reset Pin
Test Pin,
Disconnect for Normal Operation
GND
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
External Address Pin
GND
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
External Data Pins
IN
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
OUT
IN
IN
IN
OUT
OUT
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT