{"id":7312,"date":"2026-06-24T03:37:48","date_gmt":"2026-06-24T03:37:48","guid":{"rendered":"https:\/\/materialparts.com\/p89lpc936fdh\/"},"modified":"2026-06-24T03:37:48","modified_gmt":"2026-06-24T03:37:48","slug":"p89lpc936fdh","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/p89lpc936fdh\/","title":{"rendered":"P89LPC936FDH"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The P89LPC936FDH from NXP is a low-power 8-bit 80C51 microcontroller with 16KB Flash, 512B RAM, 256B EEPROM, dual 16-bit timers, 8-bit ADC, and comparator in a 28-pin TSSOP package operating from 2.4V to 3.6V.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<table>\n<tr>\n<td>\u6838\u5fc3<\/td>\n<td>80C51, 8-bit, accelerated<\/td>\n<\/tr>\n<tr>\n<td>Flash Memory<\/td>\n<td>16 KB<\/td>\n<\/tr>\n<tr>\n<td>RAM<\/td>\n<td>512 Bytes (256 + 256 auxiliary)<\/td>\n<\/tr>\n<tr>\n<td>Data EEPROM<\/td>\n<td>256 Bytes<\/td>\n<\/tr>\n<tr>\n<td>I\/O Pins<\/td>\n<td>23<\/td>\n<\/tr>\n<tr>\n<td>ADC<\/td>\n<td>4-channel, 8-bit<\/td>\n<\/tr>\n<tr>\n<td>Comparators<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>UART<\/td>\n<td>1 (with fractional baud rate)<\/td>\n<\/tr>\n<tr>\n<td>I2C<\/td>\n<td>1 (400kHz)<\/td>\n<\/tr>\n<tr>\n<td>\u8ba1\u65f6\u5668<\/td>\n<td>2x 16-bit, 1x 23-bit RTC<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u6e90\u7535\u538b<\/td>\n<td>2.4 V to 3.6 V<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u4f5c\u6e29\u5ea6<\/td>\n<td>-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88c5<\/td>\n<td>TSSOP-28<\/td>\n<\/tr>\n<\/table>\n<h2>\u7279\u70b9<\/h2>\n<ul>\n<li>Accelerated 80C51 core executing instructions in 2-4 clocks (vs 12 in standard 8051)<\/li>\n<li>16KB Flash with ISP and IAP programming, 256B EEPROM for parameter storage<\/li>\n<li>Dual analog comparators with selectable reference and output routing<\/li>\n<li>4-channel 8-bit ADC and two comparators for analog signal monitoring<\/li>\n<li>Low-power operation: 1mA\/MHz active, 2uA power-down with RTC<\/li>\n<\/ul>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Low-power 8051-compatible embedded control with analog sensing<\/li>\n<li>Battery-operated instruments requiring ISP firmware updates<\/li>\n<li>Industrial control with I2C communication and comparator-based monitoring<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The P89LPC936FDH from NXP is a low-power 8-bit 80C51 microcontroller with 16KB Flash, 512B RAM, 256B EEPROM, dual 16-bit timers, 8-bit ADC, and comparator in a 28-pin TSSOP package operating from 2.4V to 3.6V. Key Specifications Core 80C51, 8-bit, accelerated Flash Memory 16 KB RAM 512 Bytes (256 + 256 auxiliary) Data EEPROM [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[],"chip_brand":[168],"class_list":["post-7312","post","type-post","status-publish","format-standard","hentry","category-microcontrollers-mcu","chip_brand-nxp"],"acf":{"brief_explanation":"80C51 8-bit MCU, 16KB Flash, 512B RAM, 256B EEPROM, 8-bit ADC, 2 CMP, I2C, TSSOP-28","date_code":"","package_case":"TSSOP-28 (9.70 x 4.40 x 1.00 mm)","in_stock":3150,"datasheet":"https:\/\/www.nxp.com\/docs\/en\/data-sheet\/P89LPC933_934_935_936.pdf","price":"$1.85 @ 1ku","product_introduction":"The P89LPC936FDH from NXP is a low-power, highly integrated 8-bit microcontroller based on an accelerated 80C51 core. The CPU executes instructions in 2 to 4 clock cycles compared to 12 in standard 8051 devices, providing up to 6x performance improvement at the same clock frequency. The device integrates 16KB of Flash program memory with In-System Programming (ISP) and In-Application Programming (IAP) capability, 512 bytes of RAM, and 256 bytes of data EEPROM for non-volatile parameter storage. The analog subsystem includes a 4-channel 8-bit ADC and two analog comparators with selectable reference inputs and output routing to PWM or pin outputs. Communication interfaces include a UART with fractional baud rate generator and an I2C interface at up to 400kHz. The device operates from 2.4V to 3.6V with very low power consumption.","working_principle":"The P89LPC936FDH operates as an accelerated 80C51 microcontroller. (1) Accelerated Core: The 80C51 core is enhanced to execute most instructions in 2-4 clock cycles instead of 12, providing 3-6x throughput improvement over standard 8051 at the same clock frequency. The maximum CPU frequency is 12MHz, achieving equivalent performance to a 36-72MHz standard 8051. (2) Flash Programming: The 16KB Flash supports ISP via UART for firmware updates without removing the device from the board, and IAP for self-programming during operation. The 256-byte EEPROM provides additional non-volatile storage with 100,000 write cycle endurance. (3) ADC: The 8-bit successive approximation ADC converts analog inputs in approximately 17 machine cycles. (4) Comparators: Two comparators with selectable reference (internal bandgap or external pin) can trigger interrupts or directly control PWM outputs for fast analog response without CPU intervention.","pin_description":"<table><tr><th>Pin Group<\/th><th>Count<\/th><th>Function<\/th><\/tr><tr><td>Power<\/td><td>VDD, VSS<\/td><td>2.4-3.6V supply and ground<\/td><\/tr><tr><td>Port 0<\/td><td>P0.0-P0.7<\/td><td>8 I\/O pins (open drain)<\/td><\/tr><tr><td>Port 1<\/td><td>P1.0-P1.7<\/td><td>8 I\/O with ADC\/CMP alternate<\/td><\/tr><tr><td>Port 2<\/td><td>P2.0-P2.7<\/td><td>8 I\/O pins<\/td><\/tr><tr><td>Port 3<\/td><td>P3.0-P3.1<\/td><td>2 I\/O pins (RXD\/TXD)<\/td><\/tr><tr><td>Reset<\/td><td>RST<\/td><td>Active low reset<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Low-power 8051-compatible control with ISP updates and 8-bit ADC<\/li><li>Battery-powered instruments with comparator monitoring and I2C<\/li><li>Industrial control requiring 8051 code compatibility and analog sensing<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Package<\/th><th>Notes<\/th><\/tr><tr><td>NXP<\/td><td>P89LPC935FDH<\/td><td>TSSOP-28<\/td><td>8KB Flash version<\/td><\/tr><tr><td>NXP<\/td><td>P89LPC938FDH<\/td><td>TSSOP-28<\/td><td>8KB, more ADC channels<\/td><\/tr><tr><td>Silicon Labs<\/td><td>C8051F330-GM<\/td><td>QFN-20<\/td><td>8051, 10-bit ADC, smaller<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=7312"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7312\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7312"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}