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USB2640/USB2641
Ultra Fast USB 2.0 Multi-Format
Flash Media Controller/USB
Hub Combo
Datasheet
PRODUCT FEATURES
General Description Features
The SMSC USB2640/USB2641 is a USB 2.0 compliant, Hi- Single chip flash media controller
Speed hub for USB port expansion with an attached mass
Transaction translator (TT) in the hub supports operation of
storage class peripheral controller. The controller allows
FS and LS peripherals
read/write capability to popular flash media formats from the
Over
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo ORDER NUMBER(S): USB2640/USB2641-HZH for 48-PIN, QFN LEAD-FREE RoHS COMPLIANT PACKAGE “XX” in the order number indicates the internal ROM firmware revision level. Please contact your SMSC representative for more information. 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2008 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products a
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Table of Contents Chapter 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.1 Device Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.2 OEM Selectable Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Chapter 12 GPIO Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Revision 2.0 (10-03-08) 4 SMSC USB2640/USB2641 DATASHEET
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo List of Tables Table 4.1 USB2640 48-Pin Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 4.2 USB2641 48-Pin Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 6.1 USB2640/USB2641 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo List of Figures Figure 3.1 USB2640 48-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 3.2 USB2641 48-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 5.1 USB2640 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Chapter 1 Overview The SMSC USB2640/USB2641 is an integrated USB 2.0 compliant, Hi-Speed hub for USB port expansion with an attached bulk only mass storage class peripheral controller. This multi-format flash media controller and USB Hub Combo features 3 downstream ports: one port is dedicated to an internally connected ultra fast flash media reader/writer and 2 exposed downstream ports are available for external peripheral exp
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo 1.1 Device Features Hardware Features Single chip flash media controller Transaction translator (TT) in the hub supports operation of FS and LS peripherals Full power management with individual or ganged power control of each downstream port Optional support for external firmware access via SPI interface - 30 MHz or 60 MHz operation support - Single bit or dual bit mode support - Mode 0 or mode 3 SPI support Memory Stic
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo 1.2 OEM Selectable Features Hub A default configuration is available in the USB2640/USB2641 following a reset. The 2 USB2640/USB2641 may also be configured by an external I C EEPROM or via external SPI flash. The USB2640/USB2641 supports several OEM selectable features: Compound device support (port is permanently hardwired to a downstream USB peripheral device), on a port-by-port basis. Select over-current sensing and por
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Chapter 2 Acronyms FM: Flash Media FMC: Flash Media Controller FS: Full-speed Device LS: Low-speed Device HS: Hi-speed Device 2 ® 1 I C : Inter-Integrated Circuit MMC: MultiMediaCard MS: Memory Stick MSC: Memory Stick Controller OCS: Over-current Sense SD: Secure Digital SDC: Secure Digital Controller UCHAR: Unsigned Character UINT: Unsigned Integer xD: xD-Picture Card Standard Microsystems is a registered trademark and SMSC is
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Chapter 3 Pin Configurations GPIO1 / LED1 / TXD 37 24 xD_CLE / SD_CMD / MS_D0 nRESET 38 23 xD_ALE / SD_D5 / MS_D1 VBUS_DET 39 22 xD_nWE TEST 40 21 xD_nWP / SD_CLK / MS_BS VDDA33 41 20 xD_D0 / SD_D6 / MS_D7 SMSC USB+ 42 19 xD_D1 / SD_D7 / MS_D6 USB2640 USB- 43 18 xD_D2 / SD_D0 / MS_D4 (Top View QFN-48) XTAL2 44 17 xD_D3 / SD_D1 / MS_D5 XTAL1 (CLKIN) 45 16 VDD33 VDD18PLL 46 15 VDD18 Thermal Slug RBIAS 47 14 GPIO15 / SD_nCD (must
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo GPIO1 / LED1 / TXD 37 24 SD_CMD / MS_D0 nRESET 38 23 SD_D5 / MS_D1 VBUS_DET 39 22 NC TEST 40 21 SD_CLK / MS_BS VDDA33 41 20 SD_D6 / MS_D7 SMSC USB+ 42 19 SD_D7 / MS_D6 USB2641 USB- 43 18 SD_D0 / MS_D4 (Top View QFN-48) XTAL2 44 17 SD_D1 / MS_D5 XTAL1 (CLKIN) 45 16 VDD33 VDD18PLL 46 15 VDD18 Thermal Slug RBIAS 47 14 GPIO15 / SD_nCD (must be connected to VSS) VDDA33 48 13 GPIO6 / SD_WP / MS_SCLK Indicates pins on the bottom of th
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Chapter 4 Pin Tables 4.1 48-Pin Tables Table 4.1 USB2640 48-Pin Table xD (Only in USB2640) / SECURE DIGITAL / MEMORY STICK INTERFACE (18 PINS) xD_D2 / xD_D1 / xD_D0 / xD_D3 / SD_D1 / SD_D0 / SD_D7 / SD_D6 / MS_D5 MS_D4 MS_D6 MS_D7 xD_ALE / xD_CLE / xD_D7 / xD_nWP / SD_CLK / SD_D5 / SD_CMD / SD_D4 / MS_BS MS_D1 MS_D0 MS_D2 xD_D6 / SD_D3 / xD_D5 / SD_D2 xD_nRE xD_nWE MS_D3 xD_D4 / GPIO6 / SD_WP / xD_nB/R xD_nCE GPIO1
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Table 4.2 USB2641 48-Pin Table SECURE DIGITAL / MEMORY STICKINTERFACE (14 PINS) SD_D1 / SD_D0 / SD_D7 / SD_D6 / MS_D5 MS_D4 MS_D6 MS_D7 SD_CLK / SD_D5 / SD_CMD / SD_D4 / MS_BS MS_D1 MS_D0 MS_D2 SD_D3 / SD_D2 GPIO14 GPIO12 / MS_INS MS_D3 GPIO6 / SD_WP / GPIO15 / SD_nCD MS_SCLK USB INTERFACE (9 PINS) USB+ USB- XTAL1 (CLKIN) XTAL2 RBIAS (3) VDDA33 VDD18PLL 2-PORT USB INTERFACE (7 PINS) USBDN_DP2 USBDN_DM2 PRTCTL2 PRTCTL3 U
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Chapter 5 Block Diagrams Figure 5.1 USB2640 Block Diagram SMSC USB2640/USB2641 15 Revision 2.0 (10-03-08) DATASHEET To Upstream Upstream USB 24 MHz 3.3V 1.8V V Data BUS Crystal PLL Serial Bus-Power Interface 8051 Upstream Detect/V BUS 1.8V Reg SFR PROCESSOR PHY Pulse RAM Serial Interface Controller SPI Repeater SPI / GPIO (2 pins) Engine RAM 6K ADDR PWR_FET0 GPIO10 (CRD_PWR) MAP ROM 64K GPIOs 6 pins Transaction Port Con
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Figure 5.2 USB2641 Block Diagram Revision 2.0 (10-03-08) 16 SMSC USB2640/USB2641 DATASHEET To Upstream Upstream USB 24 MHz 3.3V 1.8V V Data BUS Crystal PLL Serial Bus-Power Interface 8051 Upstream Detect/V BUS 1.8V Reg SFR PROCESSOR PHY Pulse RAM Serial Interface Controller Repeater Engine RAM SPI / GPIO (2 pins) SPI 6K ADDR PWR_FET0 MAP GPIO10 (CRD_PWR) ROM 64K GPIOs 6 pins Transaction Port Controller Translator Progra
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Chapter 6 Pin Descriptions This section provides a detailed description of each signal. The signals are arranged in functional groups according to their associated interface. The “n” symbol in the signal name indicates that the active, or asserted, state occurs when the signal is at a low voltage level. When “n” is not present before the signal name, the signal is asserted when at the high voltage level. The terms assertion and
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Table 6.1 USB2640/USB2641 Pin Descriptions (continued) 48-PIN BUFFER NAME SYMBOL QFN TYPE DESCRIPTION xD Write Enable xD_nWE 22 O12PU This pin is an active low write strobe signal for the xD device. When using the internal FET, this pin has an internal weak pull-up resistor that is tied to the output of the internal Power FET, and is controlled by the xD_PU bit of the xDC_CTL register. If an external FET is used (Intern
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Table 6.1 USB2640/USB2641 Pin Descriptions (continued) 48-PIN BUFFER NAME SYMBOL QFN TYPE DESCRIPTION MS System Data MS_D[7:0] 20 I/O12PD These pins are the bi-directional data signals for In/Out 19 the MS device. In serial mode, the most significant 17 bit (MSB) of each byte is transmitted first by either 18 MSC or MS device on MS_D0. 32 30 MS_D0, MS_D2, and MS_D3 have weak pull- 23 down resistors. MS_D1 has a pull down
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Table 6.1 USB2640/USB2641 Pin Descriptions (continued) 48-PIN BUFFER NAME SYMBOL QFN TYPE DESCRIPTION USB Power PRTCTL[3:2] 7 I/OD12PU As an output, these pins enables power Enable 6 downstream USB peripheral devices. See Section 6.3, "Port Power Control" for diagram and usage instructions. As an input, when the power is enabled, these pins monitor the over-current condition. When an over-current condition is detected,
