cy8c9520a Cypress Semiconductor Corporation., cy8c9520a Datasheet - Page 4

• Manufacturer Part Number: cy8c9520a
• Description: 20-, 40-, And 60-bit Io Expander With Eeprom
• Manufacturer: Cypress Semiconductor Corporation.

Pinouts
The CY8C95xxA device is available in a variety of packages, which are listed and illustrated in the following tables.
28-Pin Part Pinout
Table 4. 28-Pin Part Pinout (SSOP)
Document Number: 38-12036 Rev. *B
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
GPort0_Bit0_PWM3
GPort0_Bit1_PWM1
GPort0_Bit2_PWM3
GPort0_Bit3_PWM1
GPort0_Bit4_PWM3
GPort0_Bit5_PWM1
GPort0_Bit6_PWM3
GPort0_Bit7_PWM1
V
I
I
GPort2_Bit3_PWM3/A1
A0
V
GPort2_Bit2_PWM0/WD
INT
GPort2_Bit1_PWM0/A2
GPort2_Bit0_PWM2/A3
XRES
GPort1_Bit7_PWM0/A4
GPort1_Bit6_PWM2/A5
GPort1_Bit5_PWM0/A6
GPort1_Bit4_PWM2
GPort1_Bit3_PWM0
GPort1_Bit2_PWM2
GPort1_Bit1_PWM0
GPort1_Bit0_PWM2
V
2
2
SS
C Serial Clock (SCL)
C Serial Data (SDA)
SS
dd
Pin Name
Port 0, Bit 0, PWM 3.
Port 0, Bit 1, PWM 1.
Port 0, Bit 2, PWM 3.
Port 0, Bit 3, PWM 1.
Port 0, Bit 4, PWM 3.
Port 0, Bit 5, PWM 1.
Port 0, Bit 6, PWM 3.
Port 0, Bit 7, PWM 1.
Ground connection.
I
I
Port 2, Bit 3, PWM 3, Address 1.
Address 0.
Ground connection.
Port 2, Bit 2, PWM 0, E
Port 2, Bit 1, PWM 0, Address 2.
Port 2, Bit 0, PWM 2, Address 3.
Active high external reset with internal pull
down.
Port 1, Bit 7, PWM 0, Address 4.
Port 1, Bit 6, PWM 2, Address 5.
Port 1, Bit 5, PWM 0, Address 6.
Port 1, Bit 4, PWM 2.
Port 1, Bit 3, PWM 0.
Port 1, Bit 2, PWM 2.
Port 1, Bit 1, PWM 0.
Port 1, Bit 0, PWM 2.
Supply voltage.
2
2
C Clock.
C Data.
Description
2
Write Disable.
GPort2_Bit3_PWM3/A1
I2C Serial Clock (SDA)
I2C Serial Clock (SCL)
GPort0_Bit0_PWM3
GPort0_Bit1_PWM1
GPort0_Bit2_PWM3
GPort0_Bit3_PWM1
GPort0_Bit4_PWM3
GPort0_Bit5_PWM1
GPort0_Bit6_PWM3
GPort0_Bit7_PWM1
Figure 2. CY8C9520A 28-Pin Device
Vss
Vss
A0
CY8C9520A, CY8C9540A
10
11
12
13
14
1
2
3
4
5
6
7
8
9
SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Vdd
GPort1_Bit0_PWM2
GPort1_Bit1_PWM0
GPort1_Bit2_PWM2
GPort1_Bit3_PWM0
GPort1_Bit4_PWM2
GPort1_Bit5_PWM0/A6
GPort1_Bit6_PWM2/A5
GPort1_Bit7_PWM0/A4
XRES
GPort2_Bit0_PWM2/A3
GPort2_Bit1_PWM0/A2
INT
GPort2_Bit2_PWM0/WD
CY8C9560A
Page 4 of 24
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