ISD-200 Datasheet, PDF (4/64 Pages) List of Unclassifed Manufacturers – USB Mass Storage Class Bulk-Only Specification Compliant

ISD-200 ASIC Datasheet
ATA COMMAND BLOCK ........................................................................................................................... 31
Field Descriptions................................................................................................................................. 31
ATA COMMAND FLOW ............................................................................................................................. 33
VENDOR-SPECIFIC ATA COMMANDS........................................................................................................ 35
POWER MANAGEMENT........................................................................................................................ 38
BUS_POWER Pin ................................................................................................................................ 38
NPWR500, and NPWR100 Pins .......................................................................................................... 38
Selectable Device Power Configurations ............................................................................................. 39
OPERATIONAL MODES......................................................................................................................... 42
NEJECT & NCART_DET PINS ............................................................................................................... 42
I_MODE PIN ............................................................................................................................................ 42
ATA_EN PIN............................................................................................................................................ 42
TEST MODE PINS....................................................................................................................................... 42
Test Pin Pull-downs.............................................................................................................................. 43
Normal Mode With CLKN Enabled..................................................................................................... 43
Disable Disk Mode ............................................................................................................................... 43
NandTree Test Mode............................................................................................................................ 43
Limbo Mode ......................................................................................................................................... 43
EXTERNAL CIRCUITRY........................................................................................................................ 44
EXTERNAL COMPONENTS CONNECTION.................................................................................................... 44
IORDY HOOKUP ...................................................................................................................................... 44
PDIAG AND PDASP HOOKUP .................................................................................................................. 45
ABSOLUTE MAXIMUM RATINGS....................................................................................................... 45
ELECTRICAL CHARACTERISTICS .................................................................................................... 45
VOLTAGE PARAMETER.............................................................................................................................. 45
CURRENT PARAMETER .............................................................................................................................. 46
TIMING CHARACTERISTICS............................................................................................................... 46
I²C MEMORY DEVICE INTERFACE TIMING ................................................................................................ 46
USB TRANSCEIVER TIMING CHARACTERISTICS........................................................................................ 47
ATA/ATAPI PORT TIMING CHARACTERISTICS ........................................................................................ 47
CLOCK....................................................................................................................................................... 47
RESET........................................................................................................................................................ 47
PHYSICAL DIAGRAMS .......................................................................................................................... 48
DEVICE ERRATA FOR FIRST SILICON ISD-200 “0002” ................................................................. 49
1. CLKN OUTPUT MAY INITIALIZE WITH UNKNOWN FREQUENCY WITH ASIC IN RESET............................ 49
2. ATA_EN INTERNAL PULL-UP RESISTOR IS DISABLED DURING USB SUSPEND OPERATION .................... 49
3. EEPROM WRITE OPERATION FAILS ON LAST BYTE OF LAST PAGE WITH SOME EEPROM DEVICES....... 49
4. SCL OUTPUT DOES NOT 3-STATE TO HI-Z WHEN ‘1’, LIMITING SCL VHI VOLTAGE TO 3.3V................. 49
5. CURRENT DRAW OF 5-6 MA WHEN ATA_EN = 0 ................................................................................. 50
6. USB BUS POWERED SYSTEM SUPPORT NOT POSSIBLE WITH ISD-200 FIRST SILICON. ............................ 50
7. USB INTERRUPT PIPE SUPPORT REQUIRED FOR MAC OS DRIVERS / APPLICATIONS ............................... 50
8. SUPPORT NOT PROVIDED FOR 16 BYTE ATAPI COMMAND BLOCK TRANSFERS...................................... 50
9. CLKN DOES NOT GET THE CORRECT FREQUENCY IN ALL CASES ........................................................... 50
10. FAILURE TO OVERRIDE DESCRIPTORS FOR SLAVE DEVICE WHEN BSY=0 AND DRQ=1. ...................... 50
11. POSSIBLE HANG IN ATACB FUNCTIONALITY. ..................................................................................... 51
DEVICE ERRATA FOR SECOND SILICON ISD-200 “0003” ............................................................ 52
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