F71610A Datasheet, PDF (10/15 Pages) Feature Integration Technology Inc. – USB CIR Chip with RC6 and QP Protocol

F71610A
RX_NR
Wakeup
Psout_n
Pstate_sel
200ms
1’b
Figure 6-3-2 PSOUT wakeup
6.4 I2C interface function
The F71610A Supports 1 suit I2C interface to get USB description information and builds 256
bytes RAM to save vendor USB description information. When power is ready, I2C function start to
load USB description into 256 bytes RAM, and expect host requests GET_DESCRIPTOR to
F71610A which returns vendor USB description, if i2c flash/ROM connect with F71610A. The
contents of I2C flash /ROM format is below table.
When F71610A does not finish loading 256 bytes information from I2C flash/ROM, F71610A
disable PAD 1 internal pull high 1.5k, still finish loading, F71610A enable PAD 1 internal pull high
1.5k.
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xa
0xb
0xb+ Manufacturer string length
Security code
Security code
IdVendor length
IdVendor low byte
IdVendor low byte
IdProduct length
IdProduct low byte
IdProduct high byte
BcdDevice length
BcdDevice low byte
BcdDevice high byte
Manufacturer string length
Manufacturer string content
0x55
0xaa
0x02
IdVendor low byte
IdVendor high byte
0x02
IdProduct low byte
IdProduct high byte
0x02
BcdDevice low byte
BcdDevice high byte
Define by vendor content
Define by vendor content
-7-
June, 2009
V0.20P