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HSI2CMOD Datasheet(PDF) 2 Page - Maxim Integrated Products |
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HSI2CMOD Datasheet(HTML) 2 Page - Maxim Integrated Products |
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2 / 6 page  HS I 2C-Compatible Module 2 ____________________________________________________ Description of Hardware HS I2C-Compatible Module Supplies The HS I2C-compatible module requires two supplies. The on-board 3.3V regulator requires an input voltage at VIN of 4.5V to 24V (J3-5, J3-6). The module also requires a regulated 5V logic supply (J3-7, J3-8). A Maxim µC module normally provides both of these supplies. EPM3256AQC208-10 PLD (Altera) The EPM3256AQC208-10 is from Altera’s MAX3000A family of PLDs. This 256 product-term device accepts 3.3V or 5V logic even when powered from a 3.3V sup- ply. Contact Altera for any questions relating to the PLD. See the Component Suppliers section for contact information. HS I2C-Compatible Module Jumpers *The asterisks in the tables below indicate the default configuration. JUMPER SHUNT POSITION DESCRIPTION 1-2 3.3V I 2C-compatible interface JU1 2-3* 5V I 2C-compatible interface Table 1. I2C-Compatible Logic-Supply Selection SUPPLIER PHONE WEBSITE Altera Corporation 1-800-800-3753 www.altera.com Digital Core Design 48-32282-8266 www.digitalcoredesign.com Fairchild Semiconductor 1-888-522-5372 www.fairchildsemi.com Nihon 81-33343-3411 www.niec.co.jp Oscilent 1-949-252-0522 www.oscilent.com Sanyo 1-619-661-6322 www.sanyo.com Sumida 1-847-545-6700 www.sumida.com TDK 1-847-803-6100 www.component.tdk.com Component Suppliers Note: Please indicate that you are using a Maxim part when contacting these component suppliers. JUMPER SHUNT POSITION DESCRIPTION 1-2* Enable the crystal oscillator JU2 2-3 Disable the crystal oscillator Table 2. Crystal Oscillator Enable JUMPER SHUNT POSITION DESCRIPTION ON Do not use JU3 OFF* Disconnect GPIOA Table 3. GPIOA JUMPER SHUNT POSITION DESCRIPTION ON Do not use JU4 OFF* Disconnect GPIOB Table 4. GPIOB JUMPER SHUNT POSITION DESCRIPTION 1-2 Reset the PLD JU5 2-3* Normal operation mode Table 5. Global PLD Clear (GCLR) JUMPER SHUNT POSITION DESCRIPTION ON The RD line to connector J3 pin 9 (J3-9) is active high; remove U5 JU6 OFF* The RD line to connector J3 pin 9 (J3-9) is active low; U5 must be present for proper operation Table 6. Active-High RD-Line Option JUMPER SHUNT POSITION DESCRIPTION ON The CS line to connector J3 pin 11 (J3-11) is active high; remove U6 JU7 OFF* The CS line to connector J3 pin 11 (J3-11) is active low; U6 must be present for proper operation Table 7. Active-High CS-Line Option JUMPER SHUNT POSITION DESCRIPTION ON The WR line to connector J3 pin 10 (J3-10) is active high; remove U7 JU8 OFF* The WR line to connector J3 pin 10 (J3-10) is active low; U7 must be present for proper operation Table 8. Active-High WR-Line Option |
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