TIGER560 ETC, TIGER560 Datasheet - Page 13

• Manufacturer Part Number: TIGER560
• Description: USB Controller for Low Cost VoIP solutions
• Manufacturer: ETC

Wake up logic
The wake up signal can be generated from any of the AUX lines, Register 0x15 selects the AUX
lines to be monitored, writing a 1 to the appropriate register location will enable monitoring of a
appropriate AUX line. Register 0x14 selects the polarity of the AUX input, a 1 will invert the
incoming signal and result in wake up on a high input.
USB Interface
The Tiger560 implements a fully compliant USB 1.1 interface. The USB line drivers and 3.3 volt
regulator are included on chip and the Tiger560 can be connected directly to the USB bus.
Chip mode selection
HA[3:2] reset latched value determines the operating mode of the Tiger560.
HA[3:2]
00
01
10
11
Revision 1.1 released on 2/20/01
WAKEUP#
Chip mode
USB device descriptor table is the same as Tiger500
USB device descriptor table with AUDIO class device descriptor table.
Product ID [15:2] with chip operation setting
Test mode
USB device descriptor table from external ROM.
ROMCs# from AUX[6]
ROMAD[9:0] = SAD[9:0]
ROMDA[7:0] = SDA[9:0]
8
7
8
8
AUX [6:0]
Register 0x14 [7:0]
Register 0x15 [7:0]
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