USB2240 SMSC Corporation, USB2240 Datasheet

Page 1

... PRODUCT FEATURES General Description The SMSC USB2240/USB2241 is a USB 2.0 compliant, high speed Mass Storage Class Peripheral Controller intended for reading and writing to more than 20 popular flash media TM formats from the xD Picture Card (MS), Secure Digital (SD), and MultiMediaCard families. The SMSC USB2240/USB2241 is a fully integrated, single chip solution capable of ultra high performance operation ...

Page 2

... USB2240/USB2241-AEZG-XX for 36 pin, QFN Lead-Free RoHS Compliant Package “XX” in the order number indicates the internal ROM firmware revision level. Please contact your SMSC sales 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. ...

Page 3

... Chapter 5 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5.1 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5.2 Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Chapter 6 Pin Reset State Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 6.1 36-Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Chapter 7 DC Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 7.1 Maximum Guaranteed Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 7.2 Recommended Operating Conditions 7.3 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.4 Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Chapter 8 AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 8.1 Oscillator/Clock Chapter 9 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Chapter 10 GPIO Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 SMSC USB2240/USB2241 3 DATASHEET Revision 2.6 (05-08-08) ...

Page 4

... Figure 6.1 Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 6.2 Legend for Pin Reset States Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 7.1 Supply Rise Time Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 8.1 Typical Crystal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 8.2 Formula to Find Value of C1 and Figure 9.1 USB2240/USB2241 36-QFN, 6x6mm Body, 0.5mm Pitch Revision 2.6 (05-08-08) Ultra Fast USB 2.0 Multi-Format Flash Media Controller 4 DATASHEET ...

Page 5

... Ultra Fast USB 2.0 Multi-Format Flash Media Controller Datasheet List of Tables Table 3.1 USB2240 36-Pin QFN Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 3.2 USB2241 36-Pin QFN Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 5.1 USB2240/USB2241 36-Pin QFN Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 5.2 Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 6.1 USB2240/USB2241 36-Pin Reset States Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Table 7.1 Pin Capacitance Table 10.1 GPIO Usage (ROM Rev 0x00 ...

Page 6

... SMSC Software License Agreement must be executed and in effect. Forms of these Software License Agreements may be obtained by contacting SMSC. Revision 2.6 (05-08-08) Ultra Fast USB 2.0 Multi-Format Flash Media Controller 6 DATASHEET Datasheet SMSC USB2240/USB2241 ...

Page 7

... PROC FMI BUS FMDU INTFC CTL EP0 TX EP0 RX BUS RAM INTFC EP1 RX EP1 TX EP2 RX EP2 TX XDATA BRIDGE + BUS ARBITER Program Memory I/O Bus SFR 8051 RAM PROCESSOR Figure 2.1 USB2240 Block Diagram 7 DATASHEET SD/ MMC MS Multiplexed Interface xD 4K total PWR_FET1 GPIO10/CARD_PWR GPIOs 8 pins Revision 2.6 (05-08-08) ...

Page 8

... BUS FMDU INTFC CTL EP0 TX EP0 RX BUS RAM INTFC EP1 RX EP1 TX EP2 RX EP2 TX XDATA BRIDGE + BUS ARBITER Program Memory I/O Bus SFR 8051 PROCESSOR RAM Figure 2.2 USB2241 Block Diagram 8 DATASHEET Datasheet SD/ MMC Multiplexed Interface MS 4K total PWR_FET1 GPIO10/CARD_PWR GPIOs 8 pins SMSC USB2240/USB2241 ...

Page 9

... GPIO6 (SD_WP) / MS_SCLK GPIO14 (xD_nCD) GPIO15 (SD_nCD) USB+ VDD18PLL XTAL1 (CLKIN) nRESET GPIO2 / RXD / SDA TEST GPIO1 (LED1) (3) VDD33 SMSC USB2240/USB2241 Table 3.1 USB2240 36-Pin QFN Package xD/MS/SD INTERFACE (18 PINS) xD_D2 / xD_D1 / SD_D0 / SD_D7 / MS_D4 MS_D6 xD_ALE / xD_CLE / SD_D5 / SD_CMD / MS_D1 MS_D0 ...

Page 10

... SD_D5 / SD_CMD / MS_D1 MS_D0 GPIO6 (SD_WP) / SD_D2 MS_SCLK USB INTERFACE (7 PINS) USB- RBIAS XTAL2 MISC (11 Pins) GPIO4 GPIO10 (CRD_PWR) DIGITAL, POWER (4 PINS) (1) VDD18 TOTAL 36 10 DATASHEET Datasheet SD_D6 / MS_D7 SD_D4 / MS_D2 GPIO12 (MS_INS) VDDA33 GPIO7 / TXD / SCK / MS_SKT_SEL (4) NC SMSC USB2240/USB2241 ...

Page 11

... XTAL1 / CLKIN VDD18PLL RBIAS VDDA33 SMSC USB2240/USB2241 SMSC 31 USB2240 32 (Top View QFN-36 Thermal Slug 35 (must be connected to VSS) 36 Indicates pins on the bottom of the device. Figure 4.1 USB2240 36-Pin QFN Diagram 11 DATASHEET 18 nRESET 17 xD_nB/R 16 xD_nRE 15 xD_nCE 14 VDD33 13 VDD18 12 xD_nWE 11 xD_CLE / SD_CMD / MS_D0 10 xD_ALE / SD_D5 / MS_D1 Revision 2 ...

Page 12

... Ultra Fast USB 2.0 Multi-Format Flash Media Controller SMSC 31 USB2241 32 (Top View QFN-36 Thermal Slug 35 (must be connected to VSS) 36 Indicates pins on the bottom of the device. Figure 4.2 USB2241 36-Pin QFN Diagram 12 DATASHEET Datasheet 18 nRESET VDD33 13 VDD18 SD_CMD / MS_D0 10 SD_D5 / MS_D1 SMSC USB2240/USB2241 ...

Page 13

... The term assert, or assertion, indicates that a signal is active, independent of whether that level is represented by a high or low voltage. The term negate, or negation, indicates that a signal is inactive. 5.1 Pin Descriptions Table 5.1 USB2240/USB2241 36-Pin QFN Pin Descriptions NAME SYMBOL xD INTERFACE (APPLIES ONLY TO USB2240) xD Data ...

Page 14

... Table 5.1 USB2240/USB2241 36-Pin QFN Pin Descriptions (continued) NAME SYMBOL xD Write xD_nWE Enable xD Busy or xD_nB/R Data Ready xD Card GPIO14 Detection GPIO (xD_nCD) xD Chip Enable xD_nCE MS System MS_D[7:0] Data In/Out MS Bus State MS_BS MS System MS_SCLK CLK Revision 2.6 (05-08-08) Ultra Fast USB 2.0 Multi-Format Flash Media Controller ...

Page 15

... Ultra Fast USB 2.0 Multi-Format Flash Media Controller Datasheet Table 5.1 USB2240/USB2241 36-Pin QFN Pin Descriptions (continued) NAME SYMBOL MS Card GPIO12 Insertion GPIO (MS_INS) SD Data SD_D[7:0] SD Clock SD_CLK SD Command SD_CMD SD Write GPIO6 Protected GPIO (SD_nWP) SD Card Detect GPIO15 GPIO (SD_nCD) USB Bus Data ...

Page 16

... SDA: This is the data pin when used with an external serial EEPROM. 29 I/O12 This pin may be used either as input, edge sensitive interrupt input, or output. For the USB2240 only, this pin can be used as the xD card detection pin. 31 I/O12 GPIO: This pin may be used either as input, edge sensitive interrupt input, or output. ...

Page 17

... Ultra Fast USB 2.0 Multi-Format Flash Media Controller Datasheet Table 5.1 USB2240/USB2241 36-Pin QFN Pin Descriptions (continued) NAME SYMBOL 1.8V PLL VDD18PLL Power Ground VSS 5.2 Buffer Type Descriptions BUFFER I Input. IPU Input with internal weak pull-up resistor. IS Input with Schmitt trigger. I/O12 Input/Output buffer with 12mA sink and 12mA source. ...

Page 18

... CARD_PWR pins none hardware disables pad Figure 6.2 Legend for Pin Reset States Table Revision 2.6 (05-08-08) Ultra Fast USB 2.0 Multi-Format Flash Media Controller Hardware Initialization RESET Figure 6.1 Pin Reset States 18 DATASHEET Datasheet Firmware Operational RESET Time (t) SMSC USB2240/USB2241 ...

Page 19

... GPIO14 (xD_nCD) GPIO 26 GPIO15 (SD_nCD) GPIO 24 GPIO12 (MS_INS) GPIO 27 GPIO2 / RXD / SDA GPIO 29 GPIO4 GPIO GPIO7 / TXD / SCK / 31 GPIO MS_SKT_SEL Table 6.1 USB2240/USB2241 36-Pin Reset States Table Post-Reset State xD Mode OUT- PU/ IN- OUT- PU/ IN- FUNCTION PUT PD PUT PUT PD PUT xD_D0 hw ...

Page 20

... Table 6.1 USB2240/USB2241 36-Pin Reset States Table (continued) RESET STATE PIN PIN NAME FUNCTION 21 GPIO10/CARD_PWR GPIO 28 TEST TEST 18 nRESET nRESET 1 GPIO1 (LED1) GPIO1 16 xD_nRE none 12 xD_nWE none 17 xD_nB/R none 15 xD_nCE none 2 USB+ USB+ 3 USB- USB- 35 RBIAS 33 XTAL1 (CLKIN) 32 XTAL2 Note: xD signals apply only to USB2240. ...

Page 21

... Absolute Maximum Ratings not be exceeded or device failure can result. Some power supplies exhibit voltage spikes on their outputs when the AC power is switched on or off. In addition, voltage transients on the AC power line may appear on the DC output. When this possibility exists suggested that a clamp circuit be used. SMSC USB2240/USB2241 MAX UNITS 150 ° ...

Page 22

... RT 90 90% 10% Figure 7.1 Supply Rise Time Model MIN MAX UNITS 0 70 °C 3.0 3.6 V μs 0 400 -0.3 5 DD33 -0 DDA33 -0 DD18 22 DATASHEET Datasheet 3.3V 100% Time COMMENTS (Note 7.3) If any 3.3V supply voltage drops below 3.0V, then the MAX becomes: (3.3V supply voltage) + 0.5 ≤ 5.5 SMSC USB2240/USB2241 ...

Page 23

... ICLK Input Buffer Low Input Level High Input Level Input Leakage Input Leakage (All I and IS buffers) Low Input Leakage High Input Leakage O12 Type Buffer Low Output Level High Output Level Output Leakage SMSC USB2240/USB2241 SYMBOL MIN TYP MAX V 0.8 ILI V 2.0 IHI PD ...

Page 24

... CSBY 24 DATASHEET Datasheet UNITS COMMENTS 12mA @ 3.3V DD33 -12mA @ 3.3V DD33 µ DD33 (Note 7.4) μA μA mA Vdrop = 0.46V FET mA Vout = 0V FET mA Vdrop = 0.23V FET mA Vout = 0V FET Ω 70mA FET μ 10μF LOAD µA SMSC USB2240/USB2241 ...

Page 25

... The 3.3V supply should be at least at 75% of its operating condition before the 1.8V supply is allowed to ramp up. 7.4 Capacitance T = 25° 1MHz PARAMETER SYMBOL Clock Input Capacitance Input Capacitance Output Capacitance SMSC USB2240/USB2241 Table 10.1, “GPIO Usage (ROM Rev 0x00),” on page V = 1.8V DD, DDP Table 7.1 Pin Capacitance LIMITS MIN TYP MAX C ...

Page 26

... Figure 8.2 Formula to Find Value of C Revision 2.6 (05-08-08) Ultra Fast USB 2.0 Multi-Format Flash Media Controller Crystal C L Figure 8.1 Typical Crystal Circuit ( DATASHEET Datasheet XTAL1 ( XTAL 1Meg XTAL2 ( XTAL and SMSC USB2240/USB2241 ...

Page 27

... Chapter 9 Package Outline Figure 9.1 USB2240/USB2241 36-QFN, 6x6mm Body, 0.5mm Pitch ...

Page 28

... DESCRIPTION AND NOTE LED indicator Receive Port of Debugger / Serial EEPROM Data User defined SD Write Protect Transmit Port of Debugger / Serial EEPROM Clock / Memory Stick Socket ( bit bit) Card Power Control Memory Stick Card Insertion xD card detect Secure Digital card detect SMSC USB2240/USB2241 ...