CY3242-IOX Cypress Semiconductor Corp, CY3242-IOX Datasheet - Page 3

• Manufacturer Part Number: CY3242-IOX
• Description: Development Kit
• Manufacturer: Cypress Semiconductor Corp
• Series: PSoC®r

Specifications of CY3242-IOX

• Silicon Manufacturer: Cypress
• Application Sub Type: Expander
• Kit Application Type: Interface
• Silicon Core Number: CY8C9520, CY8C9540 And CY8C9560
• Features: I2C Port Expander Evaluation Kit
• Main Purpose: Interface, GPIO Expander
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CY8C9520, CY8C9540, CY8C9560
• Primary Attributes: 8-Bit 60-Port GPIO Expander
• Secondary Attributes: 3 Momentary Switches, Speaker, 56 LEDs, 7-Seg LED
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-1911

J80 U3 Interrupt Selection Jumper
Make sure that the I
connection. Only one device can use this line.
Open - U3 interrupt pin is disconnected from I
line (Default)
Closed - U3 interrupt pin is connected to I
J81 - J88 LEDs and Peripherals to Expander Pins
Connection Selection Jumper
See schematic for details.
Open - Expander pin is disconnected from LEDs and
peripherals
Closed - Expander pin is connected to LED or/and
peripheral
J89 - J116 U3 Address Selection Jumper
See description below for details about Port Expander
address selection.
J117 - J120 LEDs and Peripherals to Expander Pins
Connection Selection Jumper
See schematic for details.
Open - Expander pin is disconnected from LEDs and
peripherals
Closed - Expander pin is connected to LED or/and
peripheral
J121 U4 Interrupt Selection Jumper
Make sure that the I
connection. Only one device can use this line.
Open - U4 interrupt pin is disconnected from I
line (Default)
Closed - U4 interrupt pin is connected to I
J121 - J125 LEDs and Peripherals to Expander Pins
Connection Selection Jumper
See schematic for details.
Open - Expander pin is disconnected from LEDs and
peripherals
Closed - Expander pin is connected to LED or/and
peripheral
September 13, 2006
2
2
C interrupt line is available before
C interrupt line is available before
2
2
C interrupt line
C interrupt line
2
2
C interrupt
C interrupt
Rev. **
J126 – J127 U4 Address Selection Jumper
See description below for details about Port Expander
address selection.
J128 - J129 LEDs and Peripherals to Expander Pins
Connection Selection Jumper
See schematic for details.
Open - Expander pin is disconnected from LEDs and
peripherals
Closed - Expander pin is connected to LED or/and
peripheral
J130 - J155 U4 Address Selection Jumper
See description below for details about Port Expander
address selection.
I
Jumpers
The I
expander devices. Every device must be configured to an
individual I
address selection jumper is used.
Table 2. Address Selection Jumper
LW - Weak pull down.
LS - Strong pull down.
HW - Weak pull up.
HS - Strong pull up.
2
C Port Expander Address Selection
2
C Port Expander board includes three different
LW
LS
HW
HS
A6
2
C address. For I
LW
LS
HW
HS
A5
Jumper Addresses
LW
LS
HW
HS
A4
2
LW
LS
HW
HS
C address configuration, the
A3
LW
LS
HW
HS
A2
HS
LW
LS
HW
A1
CY3242-IOX
LW
LS
HW
HS
A0
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