CY3242-IOX Cypress Semiconductor Corp, CY3242-IOX Datasheet - Page 2

• 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

Jumper Settings and Connector
Descriptions
J1 I2C-USB Bridge Board
J3 External 3.3V/5V Power Supply ON/OFF Jumper
Closed - External Power Supply ON
Open - External Power Supply OFF (Default)
J4 External Power Supply Connector
J5 DC Adapter Plug Connector
J6 External Inputs/Outputs Connector
J7 Internal Regulator Output Voltage-Select Jumper
This jumper selects regulator output voltage when board is
powered from external DC adapter.
Closed - 3.3V
Open - 5V (Default)
J8 Expander Device Power Source Selection Jumper
Open 1, 2, 3 - All devices are powered from external
3.3V/5V power supply if J3 is closed
Closed 1, 2 - Devices are powered from I2C-USB bridge
Closed 2, 3 - Devices are powered from external DC
power supply via internal regulator (Default)
September 13, 2006
1
+5V
1
+5V
1
In1
2
In2
-
2
Gnd
2
Gnd
+
DC 9-15V 0.3A
3
Out1
3
Int
4
Clk
4
Out2
5
Data
5
Gnd
Rev. **
J9 - J34 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
J35 U2 Interrupt Selection Jumper
Make sure that the I
connection. Only one device can use this line.
Open - U2 interrupt pin is disconnected from I
line (Default)
Closed - U2 interrupt pin is connected to I
J36 - J37 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
J38 - J39 U2 Address Selection Jumper
See description below for details about Port Expander
address selection.
J40 - J41 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
J42 - J67 U2 Address Selection Jumper
See description below for details about Port Expander
address selection.
J68 - J79 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
2
C interrupt line is available before
2
C interrupt line
2
CY3242-IOX
C interrupt
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