Datasheet

USB Registers

SLLS519H—January 2010TUSB3410, TUSB3410I

5.12 SERNUM2: Device Serial Number Register (Byte 2) (Addr:FFEAh)

The device serial number registers mirror the unique 64-bit die id value.

After power-up reset, this read-only register (SERNUM2) contains byte 2 of the complete 64-bit device serial

number. This register cannot be reset.

765 4 32 1 0

D23

D22 D21 D20 D19 D18 D17 D16

R/O R/O R/O R/O R/O R/O R/O R/O

BIT

NAME RESET FUNCTION

7−0 D[23:16] 0 Device serial number byte 2 value

NOTE: See the procedure described in the SERNUM7 register (see Section 5.7) to load the device serial number into shared RAM.

5.13 SERNUM1: Device Serial Number Register (Byte 1) (Addr:FFE9h)

The device serial number registers mirror the unique 64-bit die id value.

After power-up reset, this read-only register (SERNUM1) contains byte 1 of the complete 64-bit device serial

number. This register cannot be reset.

765 4 32 1 0

D15

D14 D13 D12 D11 D10 D9 D8

R/O R/O R/O R/O R/O R/O R/O R/O

BIT

NAME RESET FUNCTION

7−0 D[15:8] Device serial number byte 1 value Device serial number byte 1 value

NOTE: See the procedure described in the SERNUM7 register (see Section 5.7) to load the device serial number into shared RAM.

5.14 SERNUM0: Device Serial Number Register (Byte 0) (Addr:FFE8h)

The device serial number registers mirror the unique 64-bit die id value.

After power-up reset, this read-only register (SERNUM0) contains byte 0 of the complete 64-bit device serial

number. This register cannot be reset.

765 4 32 1 0

D6 D5 D4 D3 D2 D1 D0

R/O R/O R/O R/O R/O R/O R/O R/O

BIT

NAME RESET FUNCTION

7−0 D[7:0] Device serial number byte 0 value Device serial number byte 0 value

NOTE: See the procedure described in the SERNUM7 register (see Section 5.7) to load the device serial number into shared RAM.