TABLES
Table 1 - USB97C201 Buffer Type Descriptions ......................................................................................................... 13
Table 2 - MCU Code Memory Map.............................................................................................................................. 14
Table 3 - MCU XData Memory Map ............................................................................................................................ 15
Table 4 - MCU Block Register Summary..................................................................................................................... 16
Table 5 - 8051 Core SFR Register Summary.............................................................................................................. 18
Table 6 - Interrupt 0 Source Register.......................................................................................................................... 19
Table 7 - Interrupt 0 Mask ........................................................................................................................................... 20
Table 8 - Interrupt 1 Source Register.......................................................................................................................... 20
Table 9 - Interrupt 1 Mask ........................................................................................................................................... 21
Table 10 - Device Revision Register........................................................................................................................... 21
Table 11 - Device Identification Register..................................................................................................................... 21
Table 12 - GPIO Direction Register............................................................................................................................. 22
Table 13 - GPIO Output Register ................................................................................................................................ 24
Table 14 - GPIO Input Register................................................................................................................................... 24
Table 15 – GPIO Interrupt Status Register (INT4) ...................................................................................................... 24
Table 16 – GPIO Interrupt Mask Register ................................................................................................................... 25
Table 17 - Utility Configuration Register...................................................................................................................... 26
Table 18 – SRAM Data Port Register.......................................................................................................................... 26
Table 19 – SRAM Address Register 1......................................................................................................................... 26
Table 20 – SRAM Address Register 2......................................................................................................................... 27
Table 21 - MCU Clock Source Select.......................................................................................................................... 27
Table 22 - Wakeup Source 1 Register (INT2)............................................................................................................. 28
Table 23 - Wakeup Mask 1 Register........................................................................................................................... 28
Table 24 –USB Address Register ............................................................................................................................... 29
Table 25 – SIE Configuration Register........................................................................................................................ 29
Table 26 - USB Bus Status Register........................................................................................................................... 30
Table 27 – USB Bus Status Mask Register................................................................................................................. 30
Table 28 – SIE Status Register................................................................................................................................... 31
Table 29 – SIE Status Mask Register.......................................................................................................................... 31
Table 30 – USB Configuration Number Register......................................................................................................... 32
Table 31 – Endpoint 0 Receive Control Register ........................................................................................................ 32
Table 32 – Endpoint 0 Transmit Control Register ....................................................................................................... 32
Table 33 – Endpoint 1 Receive Control Register ........................................................................................................ 32
Table 34 – Endpoint 1 Transmit Control Register ....................................................................................................... 33
Table 35 – Endpoint 2 Control Register ...................................................................................................................... 33
Table 36 – Endpoint 0 Receive Byte Count Register .................................................................................................. 34
Table 37 – Endpoint 0 Transmit Byte Count Register ................................................................................................. 35
Table 38 – Endpoint 1 Receive Byte Count Register .................................................................................................. 35
Table 39 – Endpoint 1 Transmit Byte Count Register ................................................................................................. 35
Table 40 – RAM Buffer Write Byte Count Register A1................................................................................................ 35
Table 41 – RAM BUFFER WRITE Byte Count Register A2 Register.......................................................................... 35
Table 42 – RAM Buffer Write Byte Count Register B1................................................................................................ 35
Table 43 – RAM Buffer Write Byte Count Register B2 Register.................................................................................. 36
Table 44 – RAM Buffer Read Byte Count Register A1................................................................................................ 36
Table 45 – RAM Buffer Read Byte Count Register A2 Register.................................................................................. 36
Table 46 – RAM Buffer Read Byte Count Register B1................................................................................................ 36
Table 47 – RAM Buffer Read Byte Count Register B2 Register.................................................................................. 36
Table 48 – NAK Register (INT5).................................................................................................................................. 36
Table 49 – NAK Mask Register ................................................................................................................................... 37
Table 50 – USB Error Register.................................................................................................................................... 37
Table 51 – MSB ATA Data Register............................................................................................................................ 38
Table 52 – LSB ATA Data Register............................................................................................................................. 38
Table 53 – ATA Transfer Count Register 0 ................................................................................................................. 38
Table 54 – ATA Transfer Count Register 1 ................................................................................................................. 38
Table 55 – ATA Transfer Count Register 2 ................................................................................................................. 38
Table 56 – ATA Transfer Count Register 3 ................................................................................................................. 39
Table 57 –ATA Control Register.................................................................................................................................. 39
Table 58 –ATA Ultra DMA Timing Register................................................................................................................. 40
Table 59 – IDE Timing Register .................................................................................................................................. 40
Table 60 –ATA Slew Rate Control A Register............................................................................................................. 42
Table 61 –ATA Slew Rate Control B Register............................................................................................................. 42
Table 62 – IDE Transaction Timing............................................................................................................................. 45
Table 63 – ULTRA ATA/66 Control Signal Assignments............................................................................................. 46
Table 64 –Buffer SRAM Mapping................................................................................................................................ 48
Table 65 – RAMWR_TOGGLE State Control.............................................................................................................. 51
SMSC DS – USB97C201
Page 4
Rev. 03/25/2002
PRELIMINARY
SMSC [ SMSC CORPORATION ]
