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| KTC-FC1325N4 USB Flash Drive Controller KTC Confidential Key Technology Corp. FC1325N4 Single Chip USB Flash Drive Controller General Descriptions: The KTC-FC1325N4 single chip controller is designed for the high capacity and high performance USB Interface Flash Drives. The controller is fully compatible with USB 1.1/2.0 interface, and support the USB Mass Storage Command Protocol. The controller (LQFP-64) support up to 8 Toshiba/Samsung NAND type Flash Memory devices without any additional circuit. On the other hand, the controller (LQFP-48) can support up to 4 Toshiba/Samsung NAND type Flash Memory devices without any additional circuits. The KTC-FC1325N4 supports all the control signals to execute read/write/erase operation for flash memory chip. Ver:1.0 P.1 KTC-FC1325N4 USB Flash Drive Controller KTC Confidential Features: 1. USB Interface: 1) Support Standard USB (Universal Serial Bus) interface. 2) Fully compatible with USB Spec. 1.1/2.0 3) Support USB Mass Storage Command Protocol. 4) High Speed (480 Mbits/sec), Full Speed (12 Mbits/sec) and Low Speed (1.5 Mbits/sec) transfer support. 5) 4 End points support: Control, Interrupt, Bulk-In, and Bulk-Out. 6) Dual 64 Bytes FIFO for Bulk In, Bulk Out Data Transfer. 7) USB Power saving support. 2. Error Correction Logic: 1) Data Interleave to 2 for each 256 Bytes. 2) Error Correction of 1 Byte random error per 128 Bytes of data. 3) Automatic on-the-fly, in-buffer error correction. 3. Flash Memory Control: 1) Flash Sequencer Logic to support all the control signals to execute 2) 3) 4) 5) read/write/erase operation automatically. Flash Write Protect control support. Support Samsung/Toshiba 32/64/128/256/512/1024/2048/4096 Mbits NAND type flash memories. Support Toshiba MLC Flash memories. 8-bit Flash Data I/O. 4. Miscellaneous: 1) +3.3V single power supply. 2) Available in 48-lead LQFP package, 64-lead LQFP package. Ver:1.0 P.2 KTC-FC1325N4 USB Flash Drive Controller KTC Confidential Functional Block Diagram: Buffer Management and Control ECC Circuit To Host USB Bus USB 1.1 /2.0 Device Controller 8032 Microprocessor Flash Sequencer and Control Logic Flash Memory Chips RAM ROM Code Ver:1.0 P.3 KTC-FC1325N4 USB Flash Drive Controller KTC Confidential FC1325N4 Pins Assignment: total 48 pins/ 64 pins (LQFP48/ LQFP 64) LQFP LQFP 48 64 Pin # Pin # 1 1 2 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Type 48 Pins 64 Pins P Analog Input I/O I/O P P P I/O I/O I/O P I/O I/O I/O I/O I/O N.C. O N.C. O I/O P N.C. O I/O O O I O I O O O I O O P O O Pin Name 48 Pins 64 Pins GNDIB RPU DMRS DPRS VCC3IB GNDAP VCCA IOP0 IOP1 IOP2 VCC3I IOP3 IOP2 IOP4 IOP3 IOP5 SDAT3 NFCE0 SDAT2 NFCE1 IOP4 VCCK SDAT1 NFCE2 IOP5 NFCE3 NFCE0 DIS_IMP NFCE1 NRESET NFCE4 NFWP NFCE5 FARDY NFCE7 NFARD VCCK NFAWE NFCE2 Description 48 Pins 64 Pins Analog ground supply Connect external resistor (1.5k 0.1%) to AVCC (Analog Power 3.3 V) USB1.1 data in Data negative pin terminal, connect to external resistor (39 0.1%) USB1.1 data in Data positive pin terminal, connect to External resistor (39 0.1%) Digital supply voltage (3.3V) Analog ground supply Analog supply voltage (3.3V) Internal 8032 P1.0 Internal 8032 P1.1 Internal 8032 P1.2 Digital Voltage Supply (3.3V) Internal 8032 P1.3 Internal 8032 P1.2 Internal 8032 P1.4 Internal 8032 P1.3 Internal 8032 P1.5 Reserved Flash Device Select 0 Reserved Flash Device Select 1 Internal 8032 P1.4 Digital supply voltage (2.5V) Reserved Flash Device Select 2 Internal 8032 P1.5 Flash Device Select 3 Flash Device Select 0 Disable Internal 8032 Flash Device Select 1 Chip Reset. (Schmidt) Flash Device Select 4 Flash Write Protected Flash Device Select 5 Flash Ready/Busy# (Schmidt, PU 50K) Flash Device Select 7 Flash Read Strobe Digital supply voltage (2.5V) Flash Write Strobe Flash Device Select 2 P.4 Ver:1.0 KTC-FC1325N4 USB Flash Drive Controller 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 I/O O I/O I I/O P P I I/O O I/O I I/O O I O I/O O I/O I/O O I/O O I/O P P P I/O P I/O P I/O P I/O Analog Input I Analog Output I/O P FAD7 NFCE3 FAD6 DIS_IMP FAD5 GNDIK VCC3I NRESET FAD4 NFWP FAD3 FARDY FAD2 NFARD NIROMCS NFAWE FAD1 NFCE6 FAD0 FAD7 FAALE FAD6 FCLE FAD5 VCCK VCC3I VCCHA FAD4 GNDA FAD3 VCCKB FAD2 GNDKB IOP7 XTAL1 NIROMCS XTAL2 IOP6 VCC3APB _DRV I/O FAD1 P GNDAPB I/O FAD0 Analog Input RREF P I/O O VCC3I DM FAALE KTC Confidential Flash Data Bus 7 Flash Device Select 3 Flash Data Bus 6 Disable Internal 8032 Flash Data Bus 5 Digital ground supply Digital supply voltage (3.3V) Chip Reset (Schmidt) Flash Data Bus 4 Flsh Write Protected Flash Data Bus 3 Flash Ready/Busy# (Schmidt, PU 50K) Flash Data Bus 2 Flash Read Strobe Internal ROM Chip Select Flash Write Strobe Flash Data Bus 1 Flash Device Select 6 Flash Data Bus 0 Flash Data Bus 7 Flash Address Latch Enable Flash Data Bus 6 Flash Command Latch Enable Flash Data Bus 5 2.5 V Regulation output Digital Supply Voltage (3.3V) High Voltage input of 2.5V Regulator Flash Data Bus 4 Digital ground supply Flash Data Bus 3 Digital supply voltage (2.5V) Flash Data Bus 2 Digital ground supply Internal 8032 P1.7 Crystal Oscillator Input (12MHz) Internal ROM Chip Select Crystal Oscillator Output (12MHz) Internal 8032 P1.6 Analog supply voltage (3.3V) Flash Data Bus 1 Analog ground supply Flash Data Bus 0 Connect external reference resistor (12.1k 0.1%) to Analog GND Digital supply voltage (3.3V) USB2.0 data pin Data negative pin terminal Flash Address Latch Enable P.5 47 47 Ver:1.0 KTC-FC1325N4 USB Flash Drive Controller 48 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 I/O O N.C. N.C. N.C. N.C. P P P P P Analog Input Analog Output P DP FCLE SDAT0 MS_SD MS_BS SCMD VCCK VCCHA GNDA VCCKB GNDKB XTAL1 XTAL2 VCC3APB _DRV P GNDAPB Analog Input RREF I/O I/O DM DP KTC Confidential USB2.0 data pin Data positive pin terminal Flash Command Latch Enable Reserved Reserved Reserved Reserved 2.5 V Regulation output High Voltage input of 2.5V Regulator Digital ground supply Digital supply voltage (2.5V) Digital ground supply Crystal Oscillator Input (12MHz) Crystal Oscillator Output (12MHz) Analog supply voltage (3.3V) Analog ground supply Connect external reference resistor (12.1k 0.1%) to Analog GND USB2.0 data pin Data negative pin terminal USB2.0 data pin Data positive pin terminal Ver:1.0 P.6 KTC-FC1325N4 USB Flash Drive Controller KTC Confidential Pin Configurations: Ver:1.0 P.7 KTC-FC1325N4 USB Flash Drive Controller KTC Confidential Ver:1.0 P.8 KTC-FC1325N4 USB Flash Drive Controller KTC Confidential Electrical Specifications: 1. DC Characteristics: 1.1 Absolute Maximum Ratings: Symbol VCC VIN2 VIN3 TSTG Parameter 2.5V Power supply 3.3 Power supply Input voltage of 2.5V I/O Input voltage of 2.5V I/O with 3.3V Tolerance Input voltage of 3.3V I/O Input voltage of 3.3V I/O with 5V Tolerance Storage temperature Rating -0.3 to 3.0 -0.3 to 3.9 -0.3 to VCC2I+0.3 -0.3 to 3.9 -0.3 to VCC3I+0.3 -0.3 to 5.5 -40 to 150 Units V V V V V V o C 1.2 Recommended Operating Conditions: Symbol VCCk VCC3I VCC3O Parameter Core Power supply Power Supply of 3.3V I/O Power Supply of 3.3V I/O Min. 2.25 3.0 3.0 TYP 2.5 3.3 3.3 Max. Units 2.75 V 3.6 V 3.6 V 1.3 General DC Characteristics: Sym. Parameter IIL Input leakage current IOZ Tri-state leakage current CIN Input capacitance COUT Output capacitance CBID Bi-derectional Buffer capacitance Conditions no pull up/down Min Typ Max -10 10 -10 10 3.1 3.1 3.1 Units A A pF pF pF 1.4 DC Electrical Characteristics: Sym. VCCK VCC2I VCC2O VIL VIH VtVt+ VOL VOH Ver:1.0 Parameter Core Power Supply Power Supply Power Supply Input Low Voltage Input High Voltage Schmitt input low voltage Schmitt input high voltage Output low voltage Output high voltage Min 2.25 3.0 3.0 2.0 0.8 Typ 2.5 3.3 3.3 Max 2.75 3.6 3.6 0.8 1.1 1.6 2.0 0.4 2.4 Units V V V V V V V V V P.9 KTC-FC1325N4 USB Flash Drive Controller Rpu/ Input pull up/down resistance Rpd 75 KTC Confidential k 2. AC Characteristics: 2.1 System clock timing: Sym. Description Tc Clock cycle time Tlpd Clock low pulse duration Thpd Clock high pulse duration Min. 0.4Tc 0.4Tc Typ. 83.3 Max. 0.6Tc 0.6Tc Unit ns ns ns Tlpd Tc Thpd 2.2 Flash Read/Write timing: Sym. Tc(F) Ts(FW) Th(FW) Ts(FR) Th(FR) Description Flash Read / Write cycle time FD set up time of FWE# FD hold time of FWE# FD set up time of FRD# FD hold time of FRD# Min. Typ. Max. Unit 83.3 ns 36.5 ns 19 ns 10 ns 5 ns Ts(FW) FWE# Th(FW) Write FD FRD# Ts(FR) Read FD Th(FR) Ver:1.0 P.10 KTC-FC1325N4 USB Flash Drive Controller KTC Confidential Package Dimensions: 1. LQFP 48 Ver:1.0 P.11 KTC-FC1325N4 USB Flash Drive Controller 2. LQFP 64 KTC Confidential Ver:1.0 P.12 |
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