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CY8C9540 Datasheet(PDF) 7 Page - Cypress Semiconductor

Part # CY8C9540
Description  20-, 40-, and 60-Bit I/O Expander with EEPROM
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY8C9540 Datasheet(HTML) 7 Page - Cypress Semiconductor

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August 17, 2005
Document No. 38-12036 Rev. *A
7
CY8C95xx Preliminary Data Sheet
2. Pinouts and Pin Descriptions
2.1.3
100-Pin Part Pinout
Table 2-3. 100-Pin Part Pinout (TQFP)
Pin
No.
Name
Description
Pin
No.
Name
Description
1
DNU
DNU = Do Not Use; leave floating.
51
DNU
DNU = Do Not Use; leave floating.
2
DNU
DNU = Do Not Use; leave floating.
52
GPort5_Bit1_PWM8
Port 5, Bit 1, PWM 8.
3
GPort0_Bit3_PWM1
Port 0, Bit 3, PWM 1.
53
GPort5_Bit0_PWM10
Port 5, Bit 0, PWM 10.
4
GPort0_Bit4_PWM7
Port 0, Bit 4, PWM 7.
54
GPort5_Bit4_PWM12
Port 5, Bit 4, PWM 12.
5
GPort0_Bit5_PWM5
Port 0, Bit 5, PWM 5.
55
GPort5_Bit5_PWM14
Port 5, Bit 5, PWM 14.
6
GPort0_Bit6_PWM3
Port 0, Bit 6, PWM 3.
56
GPort4_Bit7_PWM8
Port 4, Bit 7, PWM 8.
7
GPort0_Bit7_PWM1
Port 0, Bit 7, PWM 1.
57
GPort4_Bit6_PWM10
Port 4, Bit 6, PWM 10.
8
GPort3_Bit0_PWM7
Port 3, Bit 0, PWM 7.
58
GPort4_Bit5_PWM12
Port 4, Bit 5, PWM 12.
9
GPort3_Bit1_PWM5
Port 3, Bit 1, PWM 5.
59
GPort4_Bit4_PWM14
Port 4, Bit 4, PWM 14.
10
GPort3_Bit2_PWM3
Port 3, Bit 2, PWM 3.
60
DNU
DNU = Do Not Use; leave floating.
11
GPort3_Bit3_PWM1
Port 3, Bit 3, PWM 1.
61
DNU
DNU = Do Not Use; leave floating.
12
DNU
DNU = Do Not Use; leave floating.
62
XRES
Active high external reset with internal pull down.
13
DNU
DNU = Do Not Use; leave floating.
63
GPort4_Bit3_PWM0
Port 4, Bit 3, PWM 0.
14
DNU
DNU = Do Not Use; leave floating.
64
GPort4_Bit2_PWM2
Port 4, Bit 2, PWM 2.
15
VSS
Ground connection.
65
VSS
Ground connection.
16
GPort3_Bit4_PWM15
Port 3, Bit 4, PWM 157.
66
GPort4_Bit1_PWM4
Port 4, Bit 1, PWM 4.
17
GPort3_Bit5_PWM13
Port 3, Bit 5, PWM 13.
67
GPort4_Bit0_PWM6
Port 4, Bit 0, PWM 6.
18
GPort3_Bit6_PWM11
Port 3, Bit 6, PWM 11.
68
GPort1_Bit7_PWM0/A4
Port 1, Bit 7, PWM 0, Address 4.
19
GPort3_Bit7_PWM9
Port 3, Bit 7, PWM 9.
69
GPort1_Bit6_PWM2/A5
Port 1, Bit 6, PWM 2, Address 5.
20
GPort5_Bit7_PWM15
Port 5, Bit 7, PWM 15.
70
GPort1_Bit5_PWM4/A6
Port 1, Bit 5, PWM 4, Address 6.
21
GPort5_Bit6_PWM13
Port 5, Bit 6, PWM 13.
71
DNU
DNU = Do Not Use; leave floating.
22
GPort5_Bit2_PWM11
Port 5, Bit 2, PWM 11.
72
GPort1_Bit4_PWM6
Port 1, Bit 4, PWM 6.
23
GPort5_Bit3_PWM9
Port 5, Bit 3, PWM 9.
73
DNU
DNU = Do Not Use; leave floating.
24
I2C Serial Clock (SCL)
I2C Clock.
74
GPort1_Bit3_PWM0
Port 1, Bit 3, PWM 0.
25
DNU
DNU = Do Not Use; leave floating.
75
DNU
DNU = Do Not Use; leave floating.
26
DNU
DNU = Do Not Use; leave floating.
76
DNU
DNU = Do Not Use; leave floating.
27
DNU
DNU = Do Not Use; leave floating.
77
GPort1_Bit2_PWM2
Port 1, Bit 2, PWM 2.
28
I2C Serial Data (SDA)
I2C Data.
78
DNU
DNU = Do Not Use; leave floating.
29
GPort2_Bit3_PWM11/A1
Port 2, Bit 3, PWM 11, Address 1.
79
GPort1_Bit1_PWM4
Port 1, Bit 1, PWM 4.
30
A0
Address 0.
80
DNU
DNU = Do Not Use; leave floating.
31
DNU
DNU = Do Not Use; leave floating.
81
GPort1_Bit0_PWM6
Port 1, Bit 0, PWM 6.
32
Vdd
Supply voltage.
82
Vdd
Supply voltage.
33
DNU
DNU = Do Not Use; leave floating.
83
Vdd
Supply voltage.
34
VSS
Ground connection.
84
VSS
Ground connection.
35
DNU
DNU = Do Not Use; leave floating.
85
VSS
Ground connection.
36
GPort7_Bit7_PWM15
Port 7, Bit 7, PWM 15.
86
GPort6_Bit0_PWM0
Port 6, Bit 0, PWM 0.
37
GPort7_Bit6_PWM14
Port 7, Bit 6, PWM 14.
87
GPort6_Bit1_PWM1
Port 6, Bit 1, PWM 1.
38
GPort7_Bit5_PWM13
Port 7, Bit 5, PWM 13.
88
GPort6_Bit2_PWM2
Port 6, Bit 2, PWM 2.
39
GPort7_Bit4_PWM12
Port 7, Bit 4, PWM 12.
89
GPort6_Bit3_PWM3
Port 6, Bit 3, PWM 3.
40
GPort7_Bit3_PWM11
Port 7, Bit 3, PWM 11.
90
GPort6_Bit4_PWM4
Port 6, Bit 4, PWM 4.
41
GPort7_Bit2_PWM10
Port 7, Bit 2, PWM 10.
91
GPort6_Bit5_PWM5
Port 6, Bit 5, PWM 5.
42
GPort7_Bit1_PWM9
Port 7, Bit 1, PWM 9.
92
GPort6_Bit6_PWM6
Port 6, Bit 6, PWM 6.
43
GPort7_Bit0_PWM8
Port 7, Bit 0, PWM 8.
93
GPort6_Bit7_PWM7
Port 6, Bit 7, PWM 7.
44
GPort2_Bit2_PWM8/WD
Port 2, Bit 2, PWM 8, E2 Write Disable.
94
DNU
DNU = Do Not Use; leave floating.
45
INT
95
GPort0_Bit0_PWM7
Port 0, Bit 0, PWM 7.
46
GPort2_Bit1_PWM12/A2
Port 7, Bit 7, PWM 0, Address 4.
96
DNU
DNU = Do Not Use; leave floating.
47
GPort2_Bit0_PWM14/A3
Port 7, Bit 6, PWM 2, Address 5.
97
GPort0_Bit1_PWM5
Port 0, Bit 1, PWM 5.
48
DNU
DNU = Do Not Use; leave floating.
98
DNU
DNU = Do Not Use; leave floating.
49
DNU
DNU = Do Not Use; leave floating.
99
GPort0_Bit2_PWM3
Port 0, Bit 2, PWM 3.
50
DNU
DNU = Do Not Use; leave floating.
100
DNU
DNU = Do Not Use; leave floating.


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