MAX72420+

MAX72420 Baseboard and Storage Management Controller Highly Integrated Management Device Provides a Cost-Effective Solution for Baseboard Management Request Full Data Sheet This product is Not Recommended for New Designs. Some versions may be No Longer Available or being discontinued and subject to Last Time Buy, after which new orders can not be placed. Overview Description The MAX72420 is a highly integrated management device intended to provide a costeffective solution for baseboard, storage, or embedded system management. The device contains a high-performance, 32-bit RISC engine; a 10/100 Ethernet media-access controller (MAC); four master/slave mode I²C interfaces; a high-speed I²C master/slave core; two general-purpose universal asynchronous receiver-transmitters (UARTs); three 32-bit timers; up to 54 bits of general-purpose input/output (GPIO); 64KB of high-speed SRAM; an SPI™ memory interface; and an EJTAG port for firmware debug and development. The device optionally supports a configurable low-pin-count (LPC) system interface for applications requiring a direct system connection. The device also supports a connection to a network controller through a reduced media-independent interface (RMII), which can be configured as a network controller-sideband interface (NC-SI). The MAX72420, along with a minimum number of additional components, can be configured to support all management functions, while retaining the flexibility to support a significantly expanded system through various peripheral interfaces. Because management functions typically require a limited amount of bandwidth and occur relatively infrequently, an embedded RISC engine operating over an SPI memory interface with zero-wait-state internal SRAM for critical code execution provides optimal performance with a low system cost. The MAX72420 also supports the next generation of SPI devices, which can double or quadruple the interface bandwidth by using additional signal pins. Several peripheral functions are included in the device to support a variety of embedded controller requirements. External component requirements are limited to a single SPI flash memory device and I²C peripherals dedicated to system management functions. Additional peripherals can be added through the GPIO interface. The MAX72420 is available in an 88-ball, chip-scale ball-grid array (CSBGA) package. Key Features • • • • • • • • • • • • • • • • • • Integrated MX3 32-Bit RISC Microprocessor Core Four Master/Slave Mode, Multimaster-Capable I²C Interfaces (IPMB) High-Speed Master/Slave I²C Core Up to 54 Bits of User-Definable General-Purpose I/O with Up to 42 External Interrupts Master-Mode SPI Interface for Connection to Serial Flash ROM (Code Store) with Optional Dual/Quad SPI Support Integrated 64KB Zero-Wait-State User Data SRAM Three 32-Bit Programmable Timers, One Supports a Watchdog Timer Two General-Purpose UARTs with Hardware Flow Control 10/100 Ethernet MAC for Connection to a Network Controller through an RMII or NCSI Integrated PLL for Use with a Low-Frequency/Low-Cost Crystal (Supports 4, 8, 10, or 12MHz Reference Clocks) 32 Optional Fan-Speed Monitor Inputs 32 Optional Pulse-Width-Modulation (PWM) Outputs Two 64-Bit Serial General-Purpose Input/Output (SGPIO) Master/Slave Interfaces EJTAG Debugger for Firmware Development and Debug Support Optional LPC System Interface for Applications with Direct Bridging Connections Two Configurable Keyboard Controller/Server Management Interfaces Optional Single-Wire Serial (SWS) Interface Supporting LM32, LM41, and LM95010 Devices 5V Tolerant I/O Using 3.3V Technology Applications/Uses • Server Management • SES or SAF-TE Over I²C • Storage Enclosures Key: Material Analysis Non-cancelable and Non-returnable Symbols in part number: + Lead-free, RoHS compliant − Not qualified as lead-free RoHS # RoHS compliant, lead exemption *Budgetary price. Some parts do not have standard pricing and need to be quoted. Part Number MAX72420+W Price /Unit* status No Longer Available package CSBGA; 88Pin; 82.8mm2; See Data Sheet for RoHS info Part Number MAX72420#W Price /Unit* status No Longer Available package X8899-1; See Data Sheet for RoHS info Part Number MAX72420EKN Price /Unit* status No Longer Available Part Number MAX72420# Price /Unit* status No Longer Available package QFN; 32Pin; 50.4mm2; See Data Sheet for RoHS info Part Number MAX72420+ Price /Unit* BUY status NRND package CSBGA; 88Pin; 82.8mm2; See Data Sheet for RoHS info https://www.maximintegrated.com/en/products/interface/MAX72420.html/tb_tab3 9/8/2016