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USB2242/USB2242I
Ultra Fast USB 2.0 Memory
Stick Flash Media Controller
Datasheet
PRODUCT FEATURES
General Description Mask Programmable Features
The SMSC USB2242/USB2242i is a USB 2.0 compliant, VID/PID/Language ID
high speed Bulk Only Mass Storage Class Peripheral 28-character Manufacturer ID and Product string
Controller intended for reading and writing to Memory Stick 12-hex digit (max) Serial Number string
Flash Media Cards. Customizable Vendor specific data LED blink interval or
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet ORDER NUMBER: USB2242/USB2242i-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. Circuit diagrams and other information relating to SMSC products a
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Table of Contents Chapter 1 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Chapter 3 Pin Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.1 36-Pin Pa
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet List of Figures Figure 2.1 USB2242/USB2242i Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4.1 USB2242/USB2242i 36 Pin QFN Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 6.1 Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 6.2 Le
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet List of Tables Table 3.1 USB2242/2242i 36-Pin QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5.2 USB2242/2242i 36-Pin QFN Pin Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 5.3 USB2242/USB2242i Buffer Type Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 6.1 USB2242/USB2242i Pin Re
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Chapter 1 Acronyms MS: Memory Stick MSC: Memory Stick Controller PLL: Phase-Locked Loop QFN: Quad Flat no Leads RoHS: Restriction of Hazardous Substances Directive SIE: Serial Interface Engine *Note: In order to develop, make, use, or sell readers and/or other products using or incorporating any of the SMSC devices made the subject of this document or to use related SMSC software programs, technical information and licenses under p
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Chapter 2 Block Diagram AUTO_ CBW PROC USB FMI Media Host SIE BUS BUS FMDU PHY MS Interface CTL INTFC INTFC CTL EP0 TX EP0 RX BUS RAM 4K INTFC total EP1 RX EP1 TX EP2 RX EP2 TX XDATA BRIDGE + BUS ARBITER PWR_FET1 GPIO10(CARD_PWR) GPIOs 7 pins RAM 10KB Program ADDR Memory MAP I/O Bus ROM 64KB Clock Generation and Control SFR 8051 PROCESSOR RAM Figure 2.1 USB2242/USB2242i Block Diagram SMSC USB2242/USB2242i 7 Revision 1.0 (0
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Chapter 3 Pin Table 3.1 36-Pin Package Table 3.1 USB2242/2242i 36-Pin QFN Package MS INTERFACE (11 PINS) MS_D0 MS_D1 MS_D2 MS_D3 MS_D4 MS_D5 MS_D6 MS_D7 MS_BS MS_SCLK GPIO12 (MS_INS) USB INTERFACE (7 PINS) USB+ USB- RBIAS XTAL1 (CLKIN) XTAL2 VDDA33 VDD18PLL MISC (14 Pins) GPIO1 (LED1) GPIO2 / RXD / SDA GPIO4 GPIO7 / TXD / SCK / MS_SKT_SEL GPIO10 (CRD_PWR) GPIO14 GPIO15 (5) NC TEST nRESET DIGITAL, POWER (4 PINS) (3) VDD33 VDD18 T
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Chapter 4 Pin Configuration TEST 28 18 nRESET 29 17 GPIO4 NC MS_SCLK 30 16 NC GPIO7 / TXD / SCK / MS_SKT_SEL 31 15 NC SMSC 32 14 XTAL2 USB2242/2242i VDD33 XTAL1 (CLKIN) 33 (Top View QFN-36) 13 VDD18 VDD18PLL 34 12 NC Thermal Slug 35 11 RBIAS MS_D0 (must be connected to VSS) VDDA33 36 10 MS_D1 Indicates pins on the bottom of the device. Figure 4.1 USB2242/USB2242i 36 Pin QFN Diagram SM
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Chapter 5 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 at the high voltage level. The terms assertion and negation
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Table 5.2 USB2242/2242i 36-Pin QFN Pin Descriptions (continued) BUFFER NAME SYMBOL 36-PIN QFN TYPE DESCRIPTION USB Transceiver RBIAS 35 I-R A 12.0k , 1.0% resistor is attached from Bias VSSA to this pin in order to set the transceiver's internal bias currents. 24MHz Crystal or XTAL1 (CLKIN) 33 ICLKx This pin can be connected to one terminal external clock of the crystal or it can be connected to an input external 24 clock wh
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Table 5.2 USB2242/2242i 36-Pin QFN Pin Descriptions (continued) BUFFER NAME SYMBOL 36-PIN QFN TYPE DESCRIPTION General Purpose GPIO7 / 31 I/O12 GPIO: This pin may be used either as I/O TXD / input, edge sensitive interrupt input, or SCK / output. MS_SKT_SEL O12 TXD: In addition, as an output, the GPIO7 can be used as an output TXD of UART in the device, when the GPIO2/TXD bit in UTL_CONFIG register is set to "1" O12 SCK: T
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet 5.2 Buffer Type Descriptions Table 5.3 USB2242/USB2242i Buffer Type Descriptions BUFFER DESCRIPTION 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. I/O200 Input/Output buffer 12mA with FET disabled, 100/200mA source only when the FET is enabled. I/O12PD Input/Output buffer with 12mA sink and 12mA source, with an internal weak pull-do
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Chapter 6 Pin Reset State Table Hardware Firmware Initialization Operational Voltage RESET Signal (v) RESET V DD33 Time V (t) SS Figure 6.1 Pin Reset States LEGEND yes hardware enables function -- hardware disables function z hardware disables output driver pu hardware enables pullup pd hardware enables pulldown hw hardware controls function, but state is protocol dependent (fw) firmware controls function through registers VDD ha
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet 6.1 36-Pin Reset States Table 6.1 USB2242/USB2242i Pin Reset States Post-Reset State RESET STATE MS Mode OUT- PU/ IN- OUT- PU/ IN- PIN PIN NAME FUNCTION FUNCTION PUT PD PUT PUT PD PUT 8 MS_D7 none z -- -- MS_D7 hw pd yes 7 MS_D6 none z -- -- MS_D6 hw pd yes 5 MS_D4 none z -- -- MS_D4 hw pd yes 4 MS_D5 none z -- -- MS_D5 hw hw yes 30 MS_SCLK SD_WP 0 -- -- MS_SCLK hw hw -- 25 NC none z -- -- none z -- -- 23 MS_D3 none z -- -- MS_D3
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings PARAMETER SYMBOL MIN MAX UNITS COMMENTS -55 150 °C Storage T A Temperature Lead 325 °C Soldering < 10 seconds Temperature 3.3V supply V -0.5 4.0 V DD33, voltage V DDA33 Voltage on -0.5 (3.3V supply voltage + 2) ≤ 6V USB+ and USB- pins Voltage on -0.5 V + 0.3 V When internal power FET DD33 GPIO10 operation of this pin is enabled, this pin may be simultaneously shorted to g
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Voltage t RT VDD33 3.3V 100% 90% 10% VSS t t 90% Time 10% Figure 7.1 Supply Rise Time Model 7.2 Recommended Operating Conditions PARAMETER SYMBOL MIN MAX UNITS COMMENTS Operating Temperature Commercial Part T 0 70 °C A Industrial Part T -40 85 °C A 3.3V supply voltage V 3.0 3.6 V (Note 7.3) DD33, V DDA33 3.3V supply rise time t 0 400 μs RT Voltage on -0.3 5.5 V If any 3.3V supply voltage drops USB+ and USB- pins below 3.0V, th
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet 7.3 DC Electrical Characteristics PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS I, IPU, IPD Type Input Buffer Low Input Level V 0.8 V TTL Levels ILI High Input Level V 2.0 V IHI Pull Down PD 72 μA Pull Up PU 58 μA IS Type Input Buffer Low Input Level V 0.8 V TTL Levels ILI V 2.0 High Input Level V IHI Hysteresis V 420 mV HYSI ICLK Input Buffer Low Input Level V 0.5 V ILCK High Input Level V 1.4 V IHCK Input Leakage I -10 +10 μA IL
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS I/O12, I/O12PU & I/O12PD Type Buffer Low Output Level V 0.4 V I = 12mA @ OL OL V = 3.3V DD33 High Output Level V V V I = -12mA @ OH DD33 OH - 0.4 V = 3.3V DD33 Output Leakage I = 0 to V -10 +10 µA V OL IN DD33 (Note 7.4) Pull Down PD 72 μA Pull Up PU 58 μA IO-U (Note 7.5) I-R (Note 7.6) I/O200 Integrated Power FET for GPIO10 High Output Current Mode 200 = 0.46V I mA Vdrop OUT FET Lo
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Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet the settings listed in Table 10.1, “USB2242/USB2242i GPIO Usage (ROM Rev 0x00),” on page 23. Note 7.9 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°C; fc = 1MHz; V V = 1.8V A DD, DDP Table 7.1 Pin Capacitance LIMITS PARAMETER SYMBOL MIN TYP MAX UNIT TEST CONDITION Clock Input Capacitance C 2 pF All pins (except USB pins XTAL and pins unde
