Single-Chip, Low-Power, PC/AT Microcontroller DISTINCTIVE CHARACT
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ADVANCE SUMMARY
Single-Chip, Low-Power, PC/AT Microcontroller
DISTINCTIVE CHARACTERISTICS
E86family embedded processors Offers improved time-to-market, software migration, field-proven development tools Highly integrated single-chip with complete common peripherals Accelerates time-to-market with simplified hardware Low-power 0.35 micron process technology Single chip delivers smallest system form factor 33-MHz 66-MHz operating frequencies floating point unit Am486® core Robust Microsoft® Windows® compatible write-back cache enhanced performance Fully static design with System Management Mode (SMM) power savings Comprehensive power management unit Seven modes operation allow fine-tuning power requirements maximum battery life Provides superset features Glueless burst-mode ROM/Flash interface Reduces system cost allowing mask Flash same time with three ROM/ Flash chip selects Glueless DRAM controller Allows mixed DRAM types per-bank basis reduce system cost Standard PC/AT system logic (PICs, DMACs, timer, RTC) DOS, ROM-DOS, Windows 3.1, Windows industry-standard BIOS support Leverages benefits desktop software embedded price points Local interface Reduces time-to-market with wide variety off-the-shelf companion chips Bidirectional parallel port with mode 16550-compatible UART IrDA infrared port wireless communication Standard high-speed Keyboard interface Matrix keyboard support with rows columns Dual Card (PCMCIA Version 2.1) controller supports 16-bit data End-user (after-market) system expansion ExCA-compliant, 82365-register compatible Leverages off-the-shelf card socket services Supports transfers between cards system DRAM graphics controller Supports both color monochrome LCDs Unified Memory Architecture (UMA) eliminates separate video memory
GENERAL DESCRIPTION
microcontroller latest series family microcontrollers using AMD's Systems-in-Silicondesign philosophy, which integrates proven cores with comprehensive on-chip peripherals advanced 0.35 micron process. microcontroller combines 32-bit, low-voltage Am486 with complete PC/ATcompatible peripherals, along with power management features required battery operation. With low-voltage Am486 core ultra-small form factor, microcontroller highly optimized mobile computing applications. feature comparison family high-performance microcontrollers shown Table microcontroller uses industry-standard microprocessor instruction set. software written architecture family compatible with microcontroller.
This document contains information product under development Advanced Micro Devices. information intended help evaluate this product. reserves right change discontinue work this proposed product without notice.
Publication# Issue Date: 9/27/96
Rev:
Amendment/
BLOCK DIAGRAM
Microcontroller Addr Data Am486 Memory Management Unit
Address Decoder Addr Dual Controllers 8237
Power GPIOs Management Unit Clock Clock Generation Real-Time Clock Boundary Scan Port Logic Timer 8254 Dual Interrupt Controllers 8259 Socket Ctrl GPIOs Parallel Port Card Socket Card Controller GPIOs Parallel Port UART 16550 IrDA Infrared GPIOs GPIOs Internal
Data Steering
Data
Graphics Controller Graphics Local Controller Local Controller
Crystal
System Arbiter GPIOs
DRAM Control Memory Controller Control DRAM Control Keyboard Rows GPIOs Keyboard Rows Columns Keyboard Control Keyboard Rows Control Control GPIOs
Keyboard Interface: Matrix/XT/SCP
Serial Port
Controller
IrDA
ElanSC400 Microcontroller Data Sheet-Advance Summary
Table Product Family 32-Bit, x86-Based Microcontrollers
Feature Core Cache System Management Mode (SMM) Floating Point Unit Data Interface Mastering VESA Local Mastering Power Management Mode Timers Activity Detection SMI/NMI Generation Battery Monitoring On-Chip Interface Width Size (total space) Chip Selects Burst-Mode Support On-Chip DRAM Controller Banks Width Size (total banks) Support Support SRAM Main Memory Integrated PC/AT-Compatible Peripherals Programmable Interval Timer (8254-Compatible) Real-Time Clock (146818A-Compatible) Port Port Registers Cascaded Controllers (8237A) Width Total Number Channels External Channels Cascaded Interrupt Controllers (8259) External Pins Bidirectional Parallel Port with Mode Serial Port (UART) Keyboard Interface Support External 8042 Interface Matrix Scanned with Emulation General-Purpose Input/Output Pins Infrared (IrDA) Port Card Controller Sockets PCMCIA 2.1-Compliant 82365-Compatible Graphics Controller Programmable Clock Frequency Unified Memory Architecture (UMA) JTAG Support Count Package Vcc: Core On-Chip Peripheral Logic Tolerance (designated pins) Processor Clock Rate Am386 Mbyte Mbyte 16450-compatible Am386 Mbyte Mbyte 16450-compatible SQFP, TQFP Am486 Kbyte Write-Back Mbyte Mbyte ROM-mappable 16550-compatible 2.7-3.3
SQFP
ElanSC400 Microcontroller Data Sheet-Advance Summary
LOGIC SYMBOL
LCDD7 [VL_BE3] LCDD6 [VL_LDEV] LCDD5 [VL_D_C] LCDD4 [VL_LRDY] LCDD3 [VL_M_IO] LCDD2 [VL_W_R] CASL/H1-CASL/H0 RAS1-RAS0 MA11-MA5 {CFG3} {CFG2} {CFG1} {CFG0} D15-D0 SD15-SD0 [[D31-D16]] SA25-SA0 ROMCS1-ROMCS0 ROMRD ROMWR MEMR MEMW RSTDRV MCEL_A [[BNDSCN_TCK]] MCEH_A [[BNDSCN_TMS]] RST_A [[BNDSCN_TDI]] REG_A [[BNDSCN_TDO]]
Graphics Controller VESA Local
LCDD1 [VL_ADS] LCDD0 [VL_RST] [VL_BE2] [VL_BE1] [VL_BE0] [VL_LCLK] LVEE [VL_BRDY] LVDD [VL_BLAST] DTR, RTS, SOUT
DRAM Interface Feature Configuration Pins
DRAM, ROM, Card Data ROM, ISA, Card Address ROM/Flash Control
8-Pin Serial Port IrDA Interface Power Management Interface GPIOs GPIO/External Buffer Control
CTS, DCD, RIN, SIROUT SIRIN ACIN BL2-BL1 [CLK_IO] GPIO_CS0 GPIO_CS1 GPIO_CS2 [[DBUFRDL]] GPIO_CS3 [[DBUFRDH]] GPIO_CS4 [[DBUFOE]] GPIO_CS5 [IOCS16]
Card Command Command Reset
GPIO/ISA Interface
GPIO_CS6 [IOCHRDY] GPIO_CS7 [PIRQ1] GPIO_CS8 [PIRQ0] GPIO_CS9 [TC] GPIO_CS10 [AEN] GPIO_CS11 [PDACK0] GPIO_CS12 [PDRQ0] GPIO_CS13 [PCMA_VCC] GPIO_CS14 [PCMA_VPP1] GPIO15 [PCMA_VPP2]
Microcontroller
CD_A RDY_A BVD1_A, BVD2_A WP_A WAIT_AB ICDIR GPIO31 [STRB] [MCEL_B] GPIO30 [AFDT] [MCEH_B] GPIO29 [SLCTIN] [RST_B] GPIO28 [INIT] [REG_B] GPIO27 [ERROR] [CD_B] GPIO26 [PE] [RDY_B] GPIO25 [ACK] [BVD1_B] GPIO24 [BUSY] [BVD2_B] GPIO23 [SLCT] [WP_B] GPIO22 [PPOEN] GPIO21 [PPDWE] 32KXTAL1, 32KXTAL2 LF_INT, LF_LS LF_VID, LF_HS RESET VRTC BBATSEN
Dedicated Single Slot Card Boundary Scan Interface
GPIO/PC Card Power Control
GPIO16 [PCMB_VCC] GPIO17 [PCMB_VPP1] GPIO18 [PCMB_VPP2] GPIO19 [LBL2] GPIO20 [CD_A2] KBD_COL7 KBD_COL6-2 PIRQ7-3 COL1-0 [XT_CLK/DAT] SUS_RES KBD_ROW14 KBD_ROW13 [R32BFOE] KBD_ROW12 [MCS16]
Parallel Port Second Card GPIOs
Scan Keyboard Columns/IRQs/XT Keyboard Interface
Scan Keyboard Rows/ISA Interface
KBD_ROW11 [SBHE] KBD_ROW10 [BALE] KBD_ROW9 [PIRQ2] KBD_ROW8 [PDRQ1] KBD_ROW7 [PDACK1] KBD_ROW6 [MA12] KBD_ROW5 [RAS3]
Crystal Loop Filters Reset
Scan Keyboard Rows/DRAM Interface
KBD_ROW4 [RAS2] KBD_ROW3 [CASH3] KBD_ROW2 [CASH2] KBD_ROW1 [CASL3] KBD_ROW0 [CASL2] BNDSCN_EN SPKR
Speaker Boundary Scan Enable
Note: =Two functions available same time. Function during hardware reset. Alternative function selected firmware configuration. Alternate function selected hardware configuration state power-on reset.
ElanSC400 Microcontroller Data Sheet-Advance Summary
Bank Bank Conn Column Conn
Ctrl
Matrix Keyboard
Ctrl
DRAM
TYPICAL MOBILE TERMINAL DESIGN
Crystal
Loop Filters
Ctrl Card Ctrl Card Ctrl Serial IrDA
DRAM
Ctrl Rows Columns SA25-SA0 GPIO_CS12-GPIO_CS0 High SD15-SD0 Ctrl Ctrl SA25-SA1 SD15-SD0 Ctrl
Word
D15-D0
MA11-MA0
Microcontroller
ElanSC400 Microcontroller Data Sheet-Advance Summary
Serial Translator Serial Conn IrDA Card Socket Card Socket
BIOS/OS Flash/
Backup Battery
Ctrl
Conn
Power Supply
Battery
Speaker
MAXIMAL SYSTEM DESIGN WITH TRADEOFFS
dashed indicates feature that optional traded another.
Device Device Conn BIOS/ Apps Flash
Ctrl Ctrl
High
Ctrl
Ctrl
Ctrl
Ctrl
ROM32 Buffer
Ctrl
Keyboard
Latch
Note:
Ctrl
Ctrl
Ctrl
Serial Translator
Buffer
MA12
Ctrl Card Ctrl Card Ctrl Serial IrDA
DRAM
Bank
DRAM
Columns
Rows
High Ctrl
DRAM
Bank
DRAM
Microcontroller
DRAM
Bank
DRAM
Ctrl
Ctrl
Backup Battery Crystal Loop Filters
Power Supply Battery
DRAM
Bank
DRAM
High Word
1996 Advanced Micro Devices, Inc. rights reserved. AMD, logo, Am386, Am486 registered trademarks Advanced Micro Devices, Inc. combination logo, Am186, Am188, E86, K86, Systems-in-Silicon, Facts-on-Demand trademarks; FusionE86 service mark Advanced Micro Devices, Inc. Microsoft Windows registered trademarks Microsoft Corp. Product names used this publication identification purposes trademarks their respective companies.
Word
ElanSC400 Microcontroller Data Sheet-Advance Summary
IrDA
Serial Conn
Parallel Port Connector
Buffer
Card Socket
Card Socket
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