JMicron/Products

JMB38X Product Family

PCI Express to 1394a OHCI and Memory Card Host Controller

product brief

Overview
JMB38X is product family that includes 1394a OHCI and Memory Card Reader Host Controller. They are all 1-lane PCI Express to 1/2-port 1394a and 1/2-slot SD/MMC/MS/xD Memory Card Reader Host Controller. The table below shows the brief feature lists of JMB38X product family.

JMB380 JMB381 JMB382 JMB383 JMB385

Host IF PCIe PCIe PCIe PCIe PCIe

1394a IF x1 Port x2 Port None x1 Port None

Card Reader x1 Combo None x2 Combo x2 Combo x1 Combo

Package QFN48 LQFP48 QFN64 QFN64 LQFP48

Co-layout Co-layout

“x1 Combo” means 1 set of “4-in-1 Combo Memory Card Reader Mechanism” supporting SD/MMC/MS/MS Duo/MS-HG (1/4/8-bit) & xD.
“x2 Combo” means 1 set of “4-in-1 Combo Memory Card Reader Mechanism” supporting SD/MMC/MS/MS Duo/MS-HG (1/4/8-bit) & xD and 1 set of “3-in-1 Combo Memory Card Reader Mechanism” supporting SD/ MMC/MS/MS Duo/MS-HG (1/4/8-bit)”.

Feature
Compliance
• Compliant with PCI Express Base Spec. Revision 1.1
• Compliant with 1394 Open Host Controller Interface (OHCI) Release 1.1
• Compliant with SD Spec. Part 1 Physical Layer Spec. Version 2.00
• Compliant with SD Spec. Part A2 SD Host Controller Standard Spec. Version 2.00
• Compliant with SD Spec. Part E1 SDIO Spec. Version 2.00
• Compliant with SD Spec. Part 2 File System Spec. Version 2.00
• Compliant with MultiMediaCard System Spec. Version 4.2
• Compliant with Memory Stick Standard Format Spec. Version 1.43-00
• Compliant with Memory Stick Standard Memory Stick PRO Format Spec. - without security spec. -
Version 1.02-00
• Compliant with Memory Stick Pro-HG Duo Spec. Version 1.00
• Compliant with xD-Picture CardTM Card Spec. Version 1.20
• Compliant with xD-Picture CardTM Host Guideline Version 1.20
• Compliant with xD-Picture CardTM Format Spec. Version 1.11

Overall
• Integrated 1-Lane PCI Express PHY (2.5Gbps) and 2-port 1394a PHY (100/200/400Mbps)
• Integrated two PLL for both PCI Express bus and 1394a interface
• Output swing control and Automatic impedance calibration for both PCI Express and 1394a PHY
• Fabricated 0.18um/3.3V CMOS Standard Logic Process with single 3.3V power source
• Co-layout between JMB380, JMB381, JMB382, JMB383 and JMB385

PCI Express
• Supports 1-Lane 2.5Gbps PCI Express bus
• Internal native interface multiplexed to OHCI and Memory Card (SD/MMC/MS/xD)
• All registers of Memory Card accessible in unified memory space

1394a
• Supports 1394a PHY hub function between 2-port
• Supports Hot Plugging on 1394a port

Memory Card
• Supports 1 set of “4-in-1 Combo Card Reader” and 1 set of “3-in-1 Combo Card Reader”
• Programmable IO driving to adjust signal trace length
• Programmable pull high/low control for different memory card bus topology

Peripherals Components
• Supports External Serial EEPROM
• Supports PMOS Power Switch for power control of memory card

DOS Utility
• Provide Serial EEPROM DOS Update Utility
• Provide GUID Setting DOS Program Utility for Main BIOS