I2C-Compatible Module I2CTM-compatible module reference solution

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I2C-Compatible Module I2CTM-compatible module reference solution

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19-3013; 10/03
I2C-Compatible Module
I2CTM-compatible module reference solution implementing interface that compatible with high-speed (HS) mode (3.4MHz, 1.7MHz), fast mode (400kHz), standard mode (100kHz) standard. module consists primarily Altera EPM3256AQC208-10 programmable logic device (PLD) containing DI2CM core available from Digital Core Design. module allows microcontrollers (µCs) with compatible 8-bit-memory-mapped parallel interface communicate with I2C-compatible slave devices. I2C-compatible module provided part selected Maxim evaluation systems. main purpose I2C-compatible module evaluation Maxim products. 2C-compatible module development board other described selected Maxim evaluation kit)/ evaluation system system) data sheets supported Maxim.
Features
HS-Mode I2C-Compatible Interface (3.4MHz, 1.7MHz) Fast-Mode I2C-Compatible Interface (400kHz) Standard-Mode I2C-Compatible Interface (100kHz) Proven Design Proven Board Layout On-Board 40MHz Crystal Oscillator On-Board Regulated +3.3V
Evaluates: I2C-Compatible Parts
Ordering Information
PART NUMBER HSI2CMOD INTERFACE TYPE HS/Fast/Standard-Mode I2C-Compatible
Component List
DESIGNATION C1-C15, C19, C20, DESCRIPTION 0.1µF ±10%, ceramic capacitors (0603) C1608X7R1C104KT ±20%, ceramic capacitor (0805) C2012X5R1A105M 10µF ±20%, ceramic capacitor (1210) C3225X5R1E106M 100µF, 6.3V, low-ESR POSCAP (D2) Sanyo 6TPC100M Schottky diode Nihon EP10QY03 Surface-mount ferrite beads (0603) MMZ1608B601C installed,10-pin, header 20-pin, male right-angle connector right-angle female connector 3-pin headers 2-pin headers 10µH inductor Sumida CDRH6D28-100NC DESIGNATION DESCRIPTION 1.5k resistors (1206) (suitable 2-wire capacitance 200pF) resistors (1206) 165k resistor (0603) 100k resistor (0603) switch default: (ON) (ON) Altera EPM3256AQC208-10 (208-pin PQFP) Step-down regulator (8-pin µMAX) Maxim MAX1776EUA 40MHz crystal oscillator (half-size DIP) Oscilent 320-40.0M-5E-TTS Tri-state logic buffer (5-pin SOT23) Fairchild Semiconductor NC7SZ126M5X Schmitt trigger input-logic inverters (5-pin SOT23) Fairchild Semiconductor NC7SZ14M5X Shunts
FB1, JU1, JU2, JU3, JU4, JU6, JU7,
None
Purchase components Maxim Integrated Products, Inc. sublicensed Associated Companies, conveys license under Phillips Patent Rights these components system, provided that system conforms Standard Specification defined Phillips.
Maxim Integrated Products
pricing, delivery, ordering information, please contact Maxim/Dallas Direct! 1-888-629-4642, visit Maxim's website www.maxim-ic.com.
I2C-Compatible Module Evaluates: I2C-Compatible Parts
Component Suppliers
SUPPLIER Altera Corporation Digital Core Design PHONE WEBSITE 1-800-800-3753 www.altera.com 48-32282-8266 www.digitalcoredesign.com
Table GPIOA
JUMPER SHUNT POSITION OFF* DESCRIPTION Disconnect GPIOA
Table GPIOB
JUMPER SHUNT POSITION OFF* DESCRIPTION Disconnect GPIOB
Fairchild 1-888-522-5372 www.fairchildsemi.com Semiconductor Nihon Oscilent Sanyo Sumida 81-33343-3411 www.niec.co.jp 1-949-252-0522 www.oscilent.com 1-619-661-6322 www.sanyo.com 1-847-545-6700 www.sumida.com 1-847-803-6100 www.component.tdk.com
Table Global Clear (GCLR)
JUMPER SHUNT POSITION 2-3* DESCRIPTION Reset Normal operation mode
Note: Please indicate that using Maxim part when contacting these component suppliers.
Description Hardware
I2C-Compatible Module Supplies
module requires supplies. on-board 3.3V regulator requires input voltage 4.5V (J3-5, J3-6). module also requires regulated logic supply (J3-7, J3-8). Maxim module normally provides both these supplies. I2C-compatible
Table Active-High RD-Line Option
JUMPER SHUNT POSITION OFF* DESCRIPTION line connector (J3-9) active high; remove line connector (J3-9) active low; must present proper operation
EPM3256AQC208-10 (Altera)
EPM3256AQC208-10 from Altera's MAX3000A family PLDs. This product-term device accepts 3.3V logic even when powered from 3.3V supply. Contact Altera questions relating PLD. Component Suppliers section contact information.
Table Active-High CS-Line Option
JUMPER SHUNT POSITION OFF* DESCRIPTION line connector (J3-11) active high; remove line connector (J3-11) active low; must present proper operation
I2C-Compatible Module Jumpers
*The asterisks tables below indicate default configuration.
Table I2C-Compatible Logic-Supply Selection
JUMPER SHUNT POSITION 2-3* DESCRIPTION 3.3V I2C-compatible interface I2C-compatible interface JUMPER
Table Active-High WR-Line Option
SHUNT POSITION DESCRIPTION line connector (J3-10) active high; remove line connector (J3-10) active low; must present proper operation
Table Crystal Oscillator Enable
JUMPER SHUNT POSITION 1-2* DESCRIPTION Enable crystal oscillator Disable crystal oscillator OFF*
+3.3V
0.1µF 0.1µF 0.1µF VCCIO VCCIO VCCIO VCCIO VCCIO VCCIO VCCIO VCCIO VCCIO VCCIO +3.3V GCLR INPUT/OE1 1.5k 0.1µF PSCLHS CONNECTOR J2-1 GPIOA GPIOA GPIOB J2-3 J2-5 J2-7 J2-2 J2-4 J2-6 J2-8 J2-9 J2-10 J2-11 J2-12 J2-13 J2-14 J2-15 J2-16 J2-17 J2-18 J2-19 J2-20 GPIOB 1.5k J1-9 J1-10 J1-7 J1-8 J1-5 J1-6 J1-3 J1-4 +3.3V +3.3V PSDA J3-1 J3-7 J3-9 J3-11 J3-12 J3-13 J3-14 J3-15 J3-16 J3-19 J3-20 J3-21 J3-22 J3-23 J3-24 J3-25 J3-26 J3-27 J3-28 J3-29 J3-30 0.1µF GNDINT GNDINT GNDINT GNDINT GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO GNDIO J3-31 J3-32 J3-33 J3-34 J3-35 J3-36 J3-37 J3-38 J3-39 J3-40 N.C. J3-17 J3-18 J3-10 J3-8 J3-3 J3-5 J3-6 J3-4 J3-2 PSCL INPUT/OE2/GCLK2 INPUT/GCLK1 +3.3V J1-1 J1-2 VCCINT VCCINT VCCINT VCCINT 0.1µF 0.1µF 0.1µF 0.1µF 0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
DGND
PGND
GCLR
Evaluates: I2C-Compatible Parts
Figure I2C-Compatible Module Schematic
ALTERA EPM3256AQC208-10
N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. 0.1µF N.C. 0.1µF
+3.3V
GPIOA
GPIOB
GCLR
I2C-Compatible Module
I2C-Compatible Module Evaluates: I2C-Compatible Parts
Description Core
10µF
DI2CM Core (Digital Core Design)
165k 100k 10µH 100µF 6.3V +3.3V
ILIM
MAX1776
ILIM2
DI2CM I2C-compatible master-IP core from Digital Core Design. Please contact Digital Core Design questions relating DI2CM core. Component Suppliers section contact information email Digital Core Design info@dcd.pl more information.
SHDN
Figure I2C-Compatible Module Schematic (Continued)
Figure I2C-Compatible Module Component Placement Guide-Component Side
I2C-Compatible Module Evaluates: I2C-Compatible Parts
Figure I2C-Compatible Module Board Layout-Component Side
I2C-Compatible Module Evaluates: I2C-Compatible Parts
Figure I2C-Compatible Module Board Layout-Solder Side
Maxim cannot assume responsibility circuitry other than circuitry entirely embodied Maxim product. circuit patent licenses implied. Maxim reserves right change circuitry specifications without notice time.
_Maxim Integrated Products, Gabriel Drive, Sunnyvale, 94086 408-737-7600 2003 Maxim Integrated Products Printed registered trademark Maxim Integrated Products.

I2C-Compatible Module I2CTM-compatible module reference solution

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