MCS9845 MosChip Semiconductor, MCS9845 Datasheet - Page 3

• Manufacturer Part Number: MCS9845
• Description: PCI Dual UART
• Manufacturer: MosChip Semiconductor

Rev. 2.5
nFRAME
DEVSEL
nC/BE3
nC/BE2
nC/BE1
nPERR
nSERR
nTRDY
nSTOP
nLOCK
IDSEL
nIRDY
AD28
AD27
AD26
AD25
AD24
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
AD15
AD14
AD13
AD12
AD11
GND
GND
GND
GND
VCC
VCC
VCC
PAR
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
1
2
3
4
5
6
7
8
9
Pin-Out
PCI Dual UART with ISA Bridge
MCS9845
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
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nCS4
nCS5
nCS6
GND
D7
D6
D5
D4
GND
D3
D2
D1
D0
VCC
GND
IRQ2
IRQ3
IRQ4
IRQ5
nIRQ6
VCC
nIOR
nIOW
RST
nRST
GND
TXB
nDTRB
nRTSB
RXB
nDSRB
nCTSB
nCDB
nRIB
N.C.
N.C.
VCC
A2
Page 3