{"id":8047,"date":"2026-06-28T08:48:12","date_gmt":"2026-06-28T08:48:12","guid":{"rendered":"https:\/\/materialparts.com\/mc9s08pa4avtgr\/"},"modified":"2026-06-28T11:43:32","modified_gmt":"2026-06-28T11:43:32","slug":"mc9s08pa4avtgr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/mc9s08pa4avtgr\/","title":{"rendered":"MC9S08PA4AVTGR"},"content":{"rendered":"<h2>MC9S08PA4AVTGR Overview<\/h2>\n<p>The MC9S08PA4AVTGR is an 8-bit S08 core microcontroller from NXP integrating 4KB Flash, 512B RAM, 12-bit ADC, UART\/SPI\/I2C, in a TSSOP-20 package, suitable for low-cost embedded control.<\/p>\n<h3>Key Features<\/h3>\n<ul>\n<li>S08 8-bit core<\/li>\n<li>Flash: 4KB<\/li>\n<li>RAM: 512B<\/li>\n<li>Clock: 20MHz<\/li>\n<li>12-bit ADC, 8 channels<\/li>\n<li>1x UART, 1x SPI, 1x I2C<\/li>\n<li>18 GPIO<\/li>\n<li>Supply: 2.7V-5.5V<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>MC9S08PA4AVTGR Overview The MC9S08PA4AVTGR is an 8-bit S08 core microcontroller from NXP integrating 4KB Flash, 512B RAM, 12-bit ADC, UART\/SPI\/I2C, in a TSSOP-20 package, suitable for low-cost embedded control. Key Features S08 8-bit core Flash: 4KB RAM: 512B Clock: 20MHz 12-bit ADC, 8 channels 1x UART, 1x SPI, 1x I2C 18 GPIO Supply: 2.7V-5.5V<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[168],"class_list":["post-8047","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-nxp"],"acf":{"brief_explanation":"8-bit MCU, 4KB Flash, 20MHz, LQFP-32","date_code":"","package_case":"LQFP-32 (7.0 x 7.0 x 1.40 mm)","in_stock":11867,"datasheet":"https:\/\/www.nxp.com\/docs\/en\/data-sheet\/MC9S08PA4.pdf","price":"$0.95 @ 1ku","product_introduction":"The MC9S08PA4AVTGR is an 8-bit HCS08 microcontroller from NXP Semiconductors featuring 4 KB Flash, 256 bytes RAM, and a 20 MHz bus frequency in a 32-pin LQFP package. It integrates a 12-bit ADC with up to 16 channels, two SCI\/UART modules, one SPI module, one I2C module, a 2-channel TPM timer, and a 16-bit modulo timer. The 2.7 V to 5.5 V operating voltage range and -40 C to 105 C temperature range make it suitable for industrial and automotive applications. Low-power modes include stop, wait, and a 400 nA ultra-low-power stop mode.","working_principle":"The MC9S08PA4AVTGR is based on the HCS08 CPU core, an enhanced version of the HC08 architecture with more efficient instruction set and additional addressing modes. The CPU fetches instructions from Flash, decodes them, and executes using an internal register set (A accumulator, H:X index register, SP, PC, CCR). The integrated power management system generates internal clock and voltage references from the external supply. A built-in voltage regulator provides the 1.8 V core supply from the 2.7-5.5 V I\/O supply. The multi-purpose clock generator (MCG) supports internal or external reference with FLL or PLL for flexible clocking. The background debug controller provides a single-wire debug interface for development. The memory map includes Flash for code, RAM for data, and hardware vectors for interrupts and reset. Peripheral modules are memory-mapped and accessed through the bus interface.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Description<\/th><\/tr><tr><td>1<\/td><td>PTB0\/TPMCH0<\/td><td>Port B bit 0 \/ TPM channel 0<\/td><\/tr><tr><td>2<\/td><td>PTB1\/TPMCH1<\/td><td>Port B bit 1 \/ TPM channel 1<\/td><\/tr><tr><td>3<\/td><td>PTB2\/ADC8<\/td><td>Port B bit 2 \/ ADC channel 8<\/td><\/tr><tr><td>4<\/td><td>PTB3\/ADC9<\/td><td>Port B bit 3 \/ ADC channel 9<\/td><\/tr><tr><td>5<\/td><td>VDD<\/td><td>Power supply (2.7-5.5 V)<\/td><\/tr><tr><td>6<\/td><td>VSS<\/td><td>Ground<\/td><\/tr><tr><td>7-14<\/td><td>PTC0-PTC7\/ADC0-7<\/td><td>Port C \/ ADC channels 0-7<\/td><\/tr><tr><td>15-20<\/td><td>PTD0-PTD5<\/td><td>Port D \/ SPI, I2C, SCI pins<\/td><\/tr><tr><td>21-28<\/td><td>PTE0-PTE7<\/td><td>Port E \/ SCI, EXTAL, XTAL<\/td><\/tr><tr><td>29-32<\/td><td>PTA0-PTA3<\/td><td>Port A \/ IRQ, BKGD<\/td><\/tr><\/table>","application_scenarios":"<ul><li><strong>Industrial Control<\/strong>: Simple motor control, valve actuation, and sensor interface in factory automation<\/li><li><strong>Automotive Body Electronics<\/strong>: Door module controllers, seat adjusters, and lighting controllers<\/li><li><strong>Home Appliances<\/strong>: Washing machine, refrigerator, and microwave oven control panels<\/li><li><strong>Patient Monitoring<\/strong>: Low-power medical device controllers with analog sensor interface<\/li><li><strong>Power Metering<\/strong>: Single-phase energy measurement with 12-bit ADC sampling<\/li><\/ul>\n<p>MC9S08PA4AVTGR is designed for cost-sensitive embedded control applications requiring 8-bit processing with robust peripheral integration. Typical deployments include industrial sensor interfaces, home automation controllers, motor speed regulation, and battery management systems. The 4KB Flash accommodates compact control algorithms while the 2KB RAM supports real-time data buffering. The LQFP-32 package provides sufficient I\/O for multi-channel analog sensing with the integrated 12-bit ADC. The -40\u00b0C to +105\u00b0C temperature range suits automotive sub-system controllers, HVAC actuators, and outdoor equipment monitoring.<\/p>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Flash<\/th><th>RAM<\/th><th>Package<\/th><th>Notes<\/th><\/tr><tr><td>MC9S08PA8AVTGR<\/td><td>NXP<\/td><td>8 KB<\/td><td>512 B<\/td><td>LQFP-32<\/td><td>Double Flash variant<\/td><\/tr><tr><td>MC9S08PA16AVTGR<\/td><td>NXP<\/td><td>16 KB<\/td><td>1 KB<\/td><td>LQFP-32<\/td><td>Larger memory variant<\/td><\/tr><tr><td>MC9S08QG8<\/td><td>NXP<\/td><td>8 KB<\/td><td>512 B<\/td><td>DIP-8\/QFN-16<\/td><td>Smaller pin count<\/td><\/tr><tr><td>ATtiny44A<\/td><td>Microchip<\/td><td>4 KB<\/td><td>256 B<\/td><td>SOIC-14\/TQFP-32<\/td><td>AVR alternative<\/td><\/tr><tr><td>PIC16F1516<\/td><td>Microchip<\/td><td>14 KB<\/td><td>1 KB<\/td><td>QFP-28<\/td><td>PIC alternative<\/td><\/tr><\/table>\n<p>MC9S08PA4AVTGR is a 4KB Flash HCS08 8-bit MCU from NXP in LQFP-32 with 20MHz bus frequency. The MC9S08PA8AVTGR doubles Flash to 8KB for larger programs. MC9S08PA16 provides 16KB Flash in the same package. For modern 32-bit migration, the LPC824M201JHI33 offers ARM Cortex-M0+ in a compatible 33-pin package. The Kinetis KE02 family provides 48MHz ARM Cortex-M0+ with pin-compatible upgrade path.<\/p>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/8047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=8047"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/8047\/revisions"}],"predecessor-version":[{"id":8084,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/8047\/revisions\/8084"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=8047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=8047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=8047"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=8047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}