CY3242-IOX Cypress Semiconductor Corp, CY3242-IOX Datasheet - Page 6

• 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

Demonstration Example Scripts
Code 1. Script 1
1 kHz tone to speaker. U2 address is 0x40. Jumper U2 - GP1[3] must be installed.
s40 28 00 04 25 10 2
s40 09 08
s40 18 01
s40 1c 00
s40 1a 08
s40 21 08
Code 2. Script 2
Read buttons state. U2 address is 0x40. Jumpers U2 - GP1[0], GP1[1], and GP1[2] must be installed.
s40 09 00
s40 18 01
s40 1c ff
s40 1e ff
s40 01
s41 01 x
Code 3. Script 3
Turn on external outputs. U2 address is 0x40. Jumpers U2 - GP1[4] and GP3[0] must be installed.
s40 09 10
s40 18 01
s40 1c 00
s40 21 10
s40 0b 01
s40 18 03
s40 1c 00
s40 21 01
See the I
September 13, 2006
2
C Port Expander Data Sheet for more details about configuration.
;select and configure PWM
;select output port register
;select the Gport to be configured
;configure port as output
;connect port to PWM output
;select strong drive mode
;write to port zero
;select the Gport to be configured
;set the port direction to input
;select resistive pull down drive mode
;start reading
;repeat this line to continuously read button state
;set bit 4 port 1
;select the Gport1 to be configured
;set the port direction to output
;select strong drive mode
;set bit 0 port 3
;select the Gport3 to be configured
;set the port direction to output
;select strong drive mode
Rev. **
CY3242-IOX
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