8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw MA8121A USB 2.0 SD/MMC Card Reader Copyright©2007 MOAI Ltd Rev 1.0 2007.5.1 Page 1 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw A. Features USB Fully compatible with USB 2.0/1.1 specification Support USB 2.0 specification for 480Mbit/sec and 12Mbit/sec operation USB Device Class Definition for Mass Storage , Bulk-Transport v1.0 USB 2.0 Bus Power device spec. compliance Endpoint: Endpoint 0: 64 bytes control transfer. Endpoint 1: 512 bytes bulk transfer for IN transaction. Endpoint 2: 512 bytes bulk transfer for OUT transaction. MMC/SD card Support Support MMC 4.0/4.1/4.2 (4 bit & 8bit), RS-MMC, MMC-Mobile Support SD 1.1/2.0 SDHC, Mimi SD, Micro SD card Support SD/MMC High Speed Mode Work with the default driver from windows 2000/XP/ME, Mac9.2, Mac OS X, Linux RedHat, Linux Fedora Integrated 5V to 3.3V/1.8V Voltage Regulator Integrated PLL with 12MHz crystal input Support package with Chip On Board (COB) 28 pin SSOP package for 4 bit and 8 bit card 28 pin SSOP is backward compatible with M121 24 pin QFN 4x4 package for 4 bit card. Copyright©2007 MOAI Ltd Rev 1.0 2007.5.1 Page 2 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw B. Block Diagram DP,DM 12 MHz Crystal USB 2.0 PHY SRAM DMA SIE SD/MMC Card PLL 8051 5V SD/MMC Controller Reader (5V to 3.3V) (5V to 1.8V) Regulator 3.3V 1.8V Copyright©2007 MOAI Ltd ROM Voltage Detector 3.3V 1.8V Rev 1.0 2007.5.1 Page 3 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw C. Pin Diagram z SSOP-28 Pin Out VDD18 1 28 MDTA6 MDAT4 2 27 MDAT7 MDAT5 3 26 REXT MDAT2 4 25 AVDD33 MDAT3 51 24 DP MCMD 61 23 DM VDD33 7 22 AGND VDD33F 8 21 XI MCLK 9 20 XO MDAT0 10 19 VDDR18 MDAT1 11 18 VBUS CINSn 12 17 VDDR33 GND 13 16 SRSTn WRPTn 14 15 LED MA8121-SSOP28 Copyright©2007 MOAI Ltd Rev 1.0 2007.5.1 Page 4 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw 24 23 MCMD LED 22 VDD33 MDAT2 VDD18 SRSTn 21 VDD33F WRPTn GND VDDR33 20 MCLK MDAT3 REXT VBUS 19 MDAT0 1 7 2 8 3 9 4 10 5 11 6 12 MDAT1 z QFN 4x4 pin out AVDD33 Top side views 16 17 DM 18 7 8 MDAT1 WRPTn VDD18 9 MDAT0 MDAT2 LED GND 10 MCLK CINSn SRSTn REXT 11 VDD33F MDAT3 VDDR33 AVDD33 12 VDD33 6 24 5 23 4 22 3 21 2 20 1 19 MCMD DP 15 XO VDDR18 14 AGND 13 XI CINSn VBUS Copyright©2007 MOAI Ltd 18 17 16 15 14 13 DP DM AGND XI XO VDDR18 Bottom side views Rev 1.0 2007.5.1 Page 5 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw D. Pin Description z SSOP-28 Pin Out Description Power Pins Symbol VBUS VDDR18 VDDR33 AVDD33 VDD18 VDD33 VDD33F Pin No. 18 19 17 25 1 7 8 Type P P P P P P P GND,AGND 13,22 P Description 5V Bus Power Input to Internal Regulator Output 1.8V from Internal Regulator Output 3.3V from Internal Regulator PHY 3.3V Power Input Logical Power 1.8V Input Logical Power 3.3V Input Output 3.3V Power Source for SD/MMC Card (Controlled On/Off by Internal Firmware Logical ground pin USB PHY ground pin Analog and Others Pins Symbol DM DP XI XO REXT Pin No. 23 24 21 20 26 Type A A A A I SRSTn LED 16 15 I O Description USB D- for high/full speed USB D+ for high/full speed 12 MHz crystal input 12 MHz crystal output To connect an external reference resistor for current source of the USB high-speed driver. The resistor with the range 330~400Ω Chip Reset. LED for operation status indicator SD/MMC Interface Symbol MDAT [0:7] MCMD MCLK WRPTn Pin No. [10,11,4,5,2,3,28,27] 6 9 14 Type I/O O O I CINSn 12 I Copyright©2007 MOAI Ltd Description SD/MMC data pin SD/MMC command response SD/MMC clock output SD/MMC card write protect High= write protect, Low=normal Internal with pull high resistor SD/MMC card insert detect Low= card insert Internal with pull up resistor Rev 1.0 2007.5.1 Page 6 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw z QFN-24 Pin Out Description Power Pins Symbol VBUS VDDR18 VDDR33 AVDD33 VDD18 VDD33 VDD33F GND,AGND Pin No. 12 13 11 19 22 2 3 21, 16 Type P P P P P P P P Description 5V Bus Power Input to Internal Regulator Output 1.8V from Internal Regulator Output 3.3V from Internal Regulator PHY 3.3V Power Input Logical Power 1.8V Input Logical Power 3.3V Input Output 3.3V Power Source for SD/MMC Card (Controlled On/Off by Internal Firmware Logical ground pin USB PHY ground pin Analog and Others Pins Symbol DM DP XI XO REXT Pin No. 17 18 15 14 20 Type A A A A I SRSTn LED 10 9 I O Description USB D- for high/full speed USB D+ for high/full speed 12 MHz crystal input 12 MHz crystal output To connect an external reference resistor for current source of the USB high-speed driver. The resistor with the range 330~400Ω Chip Reset. LED for operation status indicator SD/MMC Interface Symbol MDAT [0:3] MCMD MCLK WRPTn Pin No. 5,6,23,24 1 4 8 Type I/O O O I CINSn 7 I Copyright©2007 MOAI Ltd Description SD/MMC data pin SD/MMC command response SD/MMC clock output SD/MMC card write protect High= write protect, Low=normal Internal with pull high resistor SD/MMC card insert detect Low= card insert Internal with pull up resistor Rev 1.0 2007.5.1 Page 7 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw E. Electrical Characteristics z Regulator Parameter VBUS (5 volts input) VDDR33 (3.3 volts output ) VDDR18 (1.8 volts output ) Maximum current Value Min.=4.2 volts , Max.=5.8 volts 3.3 volts ± 10 % 1.8 volts ± 10 % 120 mA z Analog and Digital power Parameter AVDD33 (analog supply voltage) VDD33 (Digital supply voltage ) VDD33F (Card power supply) VDD18 (Digital supply voltage ) Value 3.3 volts ± 10 % 3.3 volts ± 10 % 3.3 volts ± 10 % ; Max. current=100mA 1.8 volts ± 10 % z Power consumption Parameter Normal operation Suspend current Value Max. =120mA Max.= 450 uA Note With Sandisk 4G SD card With Sandisk 4G SD card z DP,DM characteristics Parameter Eye diagram test Copyright©2007 MOAI Ltd Description Pass the USB eye-diagram test, so the DP,DM electrical characteristics such as eye-diagram, signal rate, rise time, fall time are met the specification. Rev 1.0 2007.5.1 Page 8 of 9 8F-1,No. 192,Tung-Kuang Rd., Hsinchu City 300-69, Taiwan, R.O.C. Tel:886-3-5166311 Fax: 886-3-5722321 http://www.moai.com.tw F. Package Information z SSOP-28 Please contact MOAI sales for the SSOP package information z COB Information Please contact MOAI sales for the COB package information z QFN-24 (4x4) package Information Please contact MOAI sales for the QFN-24 package information G. Revision History Revision Rev 1.0 Release date 2007.5.1 Copyright©2007 MOAI Ltd Description Formal release Rev 1.0 2007.5.1 Page 9 of 9