{"id":2474,"date":"2024-02-08T19:22:56","date_gmt":"2024-02-08T17:22:56","guid":{"rendered":"https:\/\/www.makershop.fi\/?post_type=product&#038;p=2474"},"modified":"2025-12-16T22:03:06","modified_gmt":"2025-12-16T20:03:06","slug":"mcp23017-bidirectional-16-bit-i-o-expander-i2c","status":"publish","type":"product","link":"https:\/\/www.makershop.fi\/fi\/tuotteet\/moduulit\/i-o-expanderit\/mcp23017-bidirectional-16-bit-i-o-expander-i2c\/","title":{"rendered":"MCP23x17 Bidirectional 16-Bit I\/O Expander I2C\/SPI"},"content":{"rendered":"<p><strong>Description:<\/strong><\/p>\n<p>The MCP23x17 is capable of converting 16-bit parallel data to serial data of the I2C\/SPI interface and converting each other. An internal integrated power-on reset (POR) circuit is reset to the device&#8217;s default state. The two opposites become the interrupt source output. The polarity toggle register configures the GPIO input polarity.<\/p>\n<p><strong>Specification:<\/strong><\/p>\n<ul>\n<li>High-speed I2C interface (MCP23017):\n<ul>\n<li>100kHz<\/li>\n<li>400kHz<\/li>\n<li>1.7MHz<\/li>\n<\/ul>\n<\/li>\n<li>High-speed SPI interface (MCP23S17):\n<ul>\n<li>10 MHz (maximum)<\/li>\n<\/ul>\n<\/li>\n<li>Three hardware address pins to allow up to eight devices on the bus<\/li>\n<li>VCC: Power supply pin<\/li>\n<li>INTA: A port interrupt output<\/li>\n<li>INTB: B port terminal output<\/li>\n<li><strong>MCP23017:<\/strong>\n<ul>\n<li>SCL: I2C clock signal line<\/li>\n<li>SDA: I2C data signal line<\/li>\n<\/ul>\n<\/li>\n<li><strong>MCP32S17:<\/strong>\n<ul>\n<li>SO: SPI data out signal line<\/li>\n<li>SI: SPI data in signal line<\/li>\n<li>CS: SPI chip select signal line<\/li>\n<li>SCK: SPI clock signal line<\/li>\n<\/ul>\n<\/li>\n<li>RESET: level reset device<\/li>\n<li>A0, A1, A2: I2C\/SPI device address configuration pins<\/li>\n<li>The default is 0100000x, and the I2C bus can expand 8 identical devices.<\/li>\n<li>GPA0~GPA7: A port 8-bit input and output pin (default input mode)<\/li>\n<li>GPB0~GPB7: B port 8-bit input and output pin (default input mode)<\/li>\n<li>Low Standby Current: 1 \u03bcA (max.)<\/li>\n<li>Operating Voltage:\n<ul>\n<li>1.8V to 5.5V @ -40\u00b0C to +85\u00b0C<\/li>\n<li>2.7V to 5.5V @ -40\u00b0C to +85\u00b0C<\/li>\n<li>4.5V to 5.5V @ -40\u00b0C to +125\u00b0C<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Description: The MCP23x17 is capable of converting 16-bit parallel data to serial data of the I2C\/SPI interface and converting each other. An internal integrated power-on reset (POR) circuit is reset to the device&#8217;s default state. The two opposites become the interrupt source output. The polarity toggle register configures the GPIO input polarity. Specification: High-speed I2C [&hellip;]<\/p>\n","protected":false},"featured_media":3423,"comment_status":"open","ping_status":"closed","template":"","meta":{"saved_in_kubio":false},"product_brand":[],"product_cat":[265],"product_tag":[],"class_list":{"0":"post-2474","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-i-o-expanderit","7":"product_shipping_class-light-goods","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product\/2474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/comments?post=2474"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/media\/3423"}],"wp:attachment":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/media?parent=2474"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product_brand?post=2474"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product_cat?post=2474"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product_tag?post=2474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}